ited states department of the interior geological … · la posta, and manzanita indian...

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4jNT ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY , £ SUMMARY OF WATER RESOURCES FOR THE CAMPO, CUYAPAIPE, LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA ^c-rft-C x/c n/- By. W-* R. Moyle,' Jr., and D. J. Downing ^ ^ ^ oy /g, t yj %. \y v ^^ R Open-File Report 77-684 \ Prepared in cooperation with the V Tixj^ ^ ^ I U.S. Bureau of Indian Affairs 287755 Menlo Park, California S March 1978

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Page 1: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

4jNTITED STATES DEPARTMENT OF THE INTERIOR

GEOLOGICAL SURVEY , £

SUMMARY OF WATER RESOURCES FOR THE CAMPO,

CUYAPAIPE, LA POSTA, AND MANZANITA INDIAN RESERVATIONS

AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA^c-rft-C x/c n/-

By. W-* R. Moyle,' Jr., and D. J. Downing ^^ ^

oy /g, t yj %. \yv ^^ R

Open-File Report 77-684

\Prepared in cooperation with the V Tixj^ ̂ ̂ I

U.S. Bureau of Indian Affairs

287755

Menlo Park, California

S March 1978

Page 2: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

CONTENTS

Conversion factors----------------- - Abstract- -- - ---- ------Introduction-- - -- - ------

Purpose and scope - -- --- Previous work and acknowledgments-Well- and spring-numbering system-

Geohydrology- ------ _________________Precipitation-- - - - - ------Surface' water ____________________Ground water------------------- ------Water development- -------------------Irrigation and farming--- - ---------Water quality--- -- -- __-_-. Summary and conclusions---- ----------Selected references --- - -------Explanation of well table - - - Explanation of spring table-- ----

Page IV1224455

- 667799

101316

ILLUSTRATIONS

PagePlate 1. Map of Campo, Cuyapaipe, La Posta, and Manzanita Indian

Reservations and vicinity, San Diego County, Calif., showing geology and location of wells, springs, precipitation station, and surface-water sampling sites - - _-__ _ _ __- - - ___- in pocket

Figure 1. Index map- _____ __^. ___ _ _ __ 3 2. Average consumptive use of water for barley at Mesa, Ariz.,

1952, 1953, and 1956- - 8

III

Page 3: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

TABLES

PageTable 1. Annual precipitation at Campo, Calif- -- - - 11

2. Flow record for Campo Creek--------- - ------------- ______ 123. Description of wells- --- -- -- 144. Description of springs- - -- - -- 175. Water-level measurements in wells- - -- ------ ig6. Pumping-test results----------------------- ---------------- 347. Drillers 1 logs 368. Chemical analyses of water from surface-water sampling sites- 399. Chemical analyses of water from wells and springs-- -- 40

CONVERSION FACTORS FOR EQUIVALENT SPANISH, U.S. CUSTOMARY, AND METRIC UNITS

For readers who prefer metric units rather than U.S. customary units, conversion factors for the terms in this report are listed below. The Spanish units of measure in the report by Lynch (1931) are also included.

.Spanish Multiply by

fanega 1.6

varas 33.38 leagues 3.455

To obtain U.S. customary

units

acresacre-ft (acre-

feet)bushelft (feet)ft 3/s (cubic feet per second)

gal/min (gallons per minute)

in (inches)mi (miles)mi 2 (square miles)

Multiply by

4.047 x 10- 1 1.233 x ID- 3

3.048 x 10' 1 2.832 x 10- 2

6.308 x 10- 2

2.540 x 101.6092.590

To obtain metric

hectares cubichectometers

meters cubic metersper second

liters persecond

millimeters kilometers squarekilometers.

IV

Page 4: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

SUMMARY OF WATER RESOURCES FOR THE CAMPO, CUYAPAIPE,

LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY,

SAN DIEGO COUNTY, CALIFORNIA

By W. R. Moyle, Jr., and D. J. Downing

ABSTRACT

Since 1945, precipitation and runoff on the Campo, Cuyapaipe, La Posta, and Manzanita Indian Reservations and the surrounding areas generally have been below normal, and water levels are declining.

Most of the water is of excellent quality. The analysis of water from one well on the Campo Reservation indicates a concentration of nitrate that exceeds the recommended limit established in 1972 by the U.S. Environmental Protection Agency.

Most wells and springs in the study area yield water for domestic purposes. The yields range from less than 1 gallon per minute to 210 gallons per minute. Most of the water is produced from shallow alluvial-filled channels or from consolidated rocks that are deeply weathered locally or highly fractured. The well data show that insufficient water is available on the four reservations for large-scale irrigation.

Page 5: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

INTRODUCTION

The Campo, Cuyapaipe, La Posta, and Manzanita Indian Reservations were established February 10, 1893, under the authority of the Act of 1891 (U.S. Statutes at large, January 12, 1891, Act for the release of the Mission Indians in the State of California: 26 Stat., p. 712-714, c. 65). The four reservations occupy 26,361.80 acres or 41.2 mi 2 and are in the same general area (fig. 1 and pi. 1) about 40 mi east of San Diego and adjacent to the United States boundary with Mexico. The south edge of the Campo Reservation is 0.3 mi north of the United States-Mexico boundary and the north edge of the Cuyapaipe Reservation is at the south end of Mount Laguna, 18.5 mi north of the Mexican boundary. Campo (town) is southwest of the reservations, Mount Laguna (town) is to the north, and Boulevard is to the east. Some of the other towns in the area are Cameron Corners, Boulder Oaks, Manzanita, and Live Oak Springs. All are small towns.

The total membership of the four reservations is 184 people, although the number of residents is 48, according to the U.S. Bureau of Indian Affairs "Tribal Information and Directory" (1975).

Purpose and Scope

The purpose of the study, made in cooperation with the U.S. Bureau of Indian Affairs, was to collect sufficient hydrologic data on the four reservations to enable the U.S. Geological Survey to assess the water-supply potential of the reservations. The Bureau of Indian Affairs and tribal members need to know whether or not the potential water supply is sufficient to irrigate T*T only to dry-farm crops on the reservations^" This report lists * the data collected, summarizes the hydrologic conditions, and assesses the water potential for irrigation.

The study included a visit to all wells and springs and observation of the streamflow on the reservations. Selected wells in the vicinity were visited. Data collected on wells and springs included depth, water level, construction details, type of pump and power, discharge, specific conductance and temperature of the water, and any other data pertaining to well or spring use. In addition, well and spring data from the files of other Government agencies were reviewed and correlated during the field visits. The study also included the collection of data on precipitation, surface-water flow, pumpage from wells,, variability of spring flow, and chemical quality of water.

Page 6: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

124- 123- 122" I2r 120"

. Oceanside

Escondido

SAN DIEGO COUNTY I

JINDIAN Area of report

RESERVATIONS

I

i

T "MEXICO l

0 10 20 30 40 50 MILES

FIGURE 1.--Index map.

3

Page 7: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

Previous Work and Acknowledgments

Many reports have been written and maps drawn pertaining to the study area (pi. 1). These reports include data on geology, precipitation, surface- water flow, wells, and springs and are discussed in later sections of this report. They also include maps showing new roads and highways that aided in plotting the location of wells and springs in this study.

All of San Diego County was mapped for soil type by the U.S. Department of Agriculture (1973) at a scale of 1:24,000.

The help given by people in State and Federal offices and by well owners is gratefully acknowledged.

Well- and Spring-Numbering System

Wells and springs are numbered according to their location in the rectangular system for the subdivision of public land. The part of the number preceding the slash (as in 17S/6E-13F1) indicates the township (T. 17 S.); the number after the slash indicates the range (R. 6 E.); the number after the dash indicates the section (sec. 13); the letter after the section number indicates the 40-acre subdivision of the section according to the lettered diagram below. The final digit is a serial number for wells in each 40-acre subdivision. The area lies entirely in the southeast quadrant of the San Bernardino base line and meridian. Springs are numbered similarly except that an S is placed between the 40-acre subdivision letter and the final digit.

T.14 S.

T.15 S.

T.16 S.

T.17 S.

uj id UJ ujU, «D I". CO

o: K o: K.

61

18193031

58

17202932

49

16212833

31015222734

21114232635

1f1213242536

D

E

M

M

< 'O17S/6E-13F

F ' G _ r _1L

P

0

K

Q

A

H

J

R

Page 8: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

GEOHYDROLOGY

The geology of the area (pi. 1) is mostly from Richard H. Merriam's 1955 University of Southern California faculty research project (unpub. data). He mapped the geology of the Mount Laguna and Campo topographic quadrangles at a scale of 1:62,500. Plate 1 also includes some geology mapped by Olmsted (1953) and some fractures mapped by Moyle in this study. A geologic map similar to plate 1 was published by Weber (1963, pi. 1) at a scale of 1:125,000 and showed the mines and mineral resources in San Diego County.

The geology, which provides the water-resources framework in the study area, consists of igneous and metamorphic rocks in the mountains and hills and alluvium in the valleys and stream channels. Igneous and metamorphic rocks form the basement complex, except for the igneous rocks composed of tonalite. Tonalite was not included in the basement complex, because it is water bearing. The basement complex contains virtually no water, but the tonalite contains water where it is deeply weathered or highly fractured. The basement complex includes igneous rocks of the Woodson Mountain Granodiorite and San Marcos Gabbro of Cretaceous age and the Stonewall Quartz Diorite of Jurassic age(?) and metamorphic rock of the Julian Schist of Triassic age(?) or older. Tonalite rock includes the Bonsall Tonalite, Lakeview Mountain Tonalite, and Green Valley Tonalite, all of Cretaceous age.

Many of the small valleys and stream channels (pi. 1) are filled with alluvium that ranges in thickness from a few feet to about 100 ft. In most areas the alluvium contains water, but the yield of a well depends on the hydraulic properties and thickness of the alluvial fill and the construction details of the well.

PRECIPITATION

Precipitation was measured near Campo intermittently from 1877 through 1899 and continuously from 1900 through 1976 (table 1). The measurements were started by Mr. A. Campbell in 1877. The average precipitation at this station, on the Leach Ranch between Cameron Corners and Campo in sec. 10, T. 18 S.,~R. 5 E. (pi. 1), is 17.12 in. This average is based on 89 years of record in the past 100 years. Annual precipitation ranged from 6.01 in (1947) to 35.31 in (1891) (table 1). This high is not quite an annual total. After 16 in of rain in August 1891, the rain gage was washed away by a flash flood.

Since 1945 the weather in the study area has become drier. From 1946 through 1976, 7 years were above the long-term average in rainfall and 24 years were below the average. The average precipitation for the years 1946 through 1976 was 13.02 in. This average is 4.10 in less than the 89-year average of 17.12 in, or 76 percent of the long-term figure.

Page 9: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

Precipitation measurements were published by the National Oceanic and Atmospheric Administration or by the U.S. Weather Bureau. A projection of rainfall in the San Diego area back to 1800 was made by Lynch (1931). This projection was based mainly on records, letters, and diaries from the California missions and from reports by early California explorers, visitors, and historians. Many of the early records were translated into English from Spanish; however, the Spanish units of measure were retained in Lynch f s report. These Spanish units and their English and metric equivalents are listed in the conversion factors, page IV.

SURFACE WATER

Surface-water runoff in the study area is from three drainage areas, as shown by plate 1. Runoff from the eastern drainage area flows east toward the Colorado Desert. Runoff from the other two drainage areas flows west toward the Pacific Ocean via the Otay River in the north and the Tijuana River in the south (both off map).

The earliest report of flow in Campo Creek was an inquiry form letter sent by F. H. Newell (U.S. Geological Survey) May 14, 1895, and returned June 7, 1895, by John Ward of Campo, Calif. Mr. Ward described Campo Creek as follows: "There are running streams and springs that furnish plenty of good water. Here where I live there is a very high mountain of solid bedrock and a narrow gap where the water runs through. If it were dammed it would store water to last one or two dry years."

Campo Creek was measured from 1937 through 1975 (table 2) at a gage about 3*5 mi west of Campo (west of pi. 1). These measurements were published by the U.S. Geological Survey (1960, 1964, 1970, and 1976). With the exception of calendar years 1952 and 1969, runoff was below average after the beginning of a dry trend in 1946. Surface-water runoff toward the desert and flow in the Otay River probably have also been below average since 1946.

GROUND WATER

Data on wells and springs have been collected and published by several Federal and State agencies. Most of the data are included in this report (tables 3-9). Agencies contributing data are U.S. Bureau of Indian Affairs, U.S. Indian Health Service, California Department of Water Resources, California Water Quality Control Board, and U.S. Geological Survey. Publications of the U.S. Geological Survey include those by Waring (1915), Ellis and Lee (1919), Piper (1941), Olmsted (1953), and Bader and Kunkel (1957).

Page 10: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

According to a letter to the Zone Constructing Quartermaster in San Francisco (Piper, 1941), a well was drilled on the Statler Ranch in Campo Valley in sec. 16, T. 18 S., R. 5 E. The well (18S/5E-16H1) was tested to determine if sufficient water could be developed for Camp Lockett, which was the cantonment site for the llth U.S. Cavalry in 1941. Camp Lockett is now the town of Campo (pi. 1).

Data show that the test well was 103 ft deep, with 92 ft of alluvium overlying tonalite rock. The well flowed about 5 gal/min at land surface in 1941, and when pumped it yielded 210 gal/min with 70 ft of drawdown. Although this well may be one of the largest producing wells in the study area, the yield probably would not be sufficient for a large-scale irrigation project because of the small storage capacity of the saturated alluvium. Piper (1941) thought that the aquifer would be depleted with continued pumping and doubted that the well would yield the desired quantity throughout the year.

Many small alluvial valleys and stream channels similar to Campo Valley (pi. 1) exist on the four reservations; however, they contain far less saturated alluvial fill than Campo Valley, and the yield of wells and springs would consequently be less. In general, wells and springs on the four reservations yield less than 40 gal/min for sustained periods of pumping. The data in tables 3-7 suggest that the use of ground-water supplies for large-scale irrigation probably is not feasible.

WATER DEVELOPMENT

Many small domestic water-supply systems are being used on the Campo (including the old part of Campo), Manzanita, and La Posta Reservations. Most homes have their own well and water-supply system. Although no large water- supply system exists on any of the four reservations, the towns of Campo and Live Oak Springs have small community water companies.

Cuyapaipe Reservation and the isolated part of La Posta Reservation in sees. 24 and 25, T. 16 S., R. 5 E., contain natural springs and streamflow, but no water system has been developed on these reservations.

IRRIGATION AND FARMING

Little farming or irrigation is done in the study area, because wells generally do not produce sufficient water for any large-scale operation. The first irrigation on the Campo Reservation was near surface-water site 2 (pi. 1) in 1909. A dam 16 ft wide and 5 ft high and a pipeline half a mile long and of 8 in diameter were constructed on Campo Creek to store and transport water to irrigate 20 acres of land. In 1914 a 4-in pipeline was

Page 11: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

installed to irrigate 6 more acres. Another 4-in pipeline was added to the system in 1914 but was partially washed out by floods in 1916 and 1927. In 1936 a 6-in pipeline replaced the 1909 pipeline. Surface-water runoff varies considerably from year to year and is not dependable for irrigation, even in relatively wet years.

Many places cleared of brush support some natural grass pasture or a small amount of dry-farmed grain. These cleared areas depend entirely upon local rainfall for their water supply. Because of the lack of precipitation, dry-farmed grain usually gives a poor crop in this area. Many areas in San Diego County produce dry-farmed barley if sufficient precipitation is available. Figure 2 shows the semimonthly and seasonal need for water by barley. About 25 in of water is required in a 5-month period to produce fully developed barley. This precipitation should come when the plants need irrigation. Table 1 shows that precipitation at Campo has been less than 25 in since 1928 and was as low as 6.01 in in 1947. Unless yearly precipitation increases or irrigation water is imported, farming on the four reservations does not seem to be feasible.

>.<cO

LU Q_

o

0.4

0.3

0.2

0.1

o o

SEASONALSOIL-MOISTURE DEPLETION

InchesPremilk

Soft dough

Dough

Seeds dry

SEASONAL USE,25.3 INCHES

I 0.23

December0.45 I 0.74

January1.37 | 1.72

February

2.64 | 3.60

March

5.87 I 5.16April

3.50 [

Mav

SEMIMONTHLY USE, IN INCHES

FIGURE 2.--Average consumptive use of water for barley at Mesa, Ariz., 1952, 1953, and 1956. (Modified from Erie, French, and Harris, 1965, p. 20.)

8

Page 12: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

WATER QUALITY

Tables 8 and 9 show that the water in the study area is generally good to excellent in quality, except for the high nitrate (NOs) in well 17S/6E-28J3 on the Campo Reservation (pi. 1). This well contains 50 mg/L (milligrams per liter) nitrate (NOa) or 11.3 mg/L nitrate-nitrogen (N). This is above the recommended limit for drinking water set by the U.S. Environmental Protection Agency (1972). The limit is set at 44 mg/L N0 3 or 10 mg/L N. High concentrations of nitrate (NOs) in drinking water may cause infantile methemoglobinemia (nitrate poisoning), especially in infants under 3 months of age.

The electrical specific conductance was measured in water from more than 100 wells and springs. ^Chemical analyses'of water samples from more than 40 wells were made. The specific conductance was measured to determine the approximate dissolved-solids concentration in the water. According to Hem (1970, p. 99), a reasonably well-defined relation exists between specific conductance and dissolved-solids concentration.

A conversion factor used in the equation KA = S will give the estimated dissolved solids where K is measured specific conductance in micromhos per centimeter at 25°C, A is the conversion factor, and S is dissolved solids in milligrams per liter. Thirty-three laboratory analyses were used to determine the average conversion factor of 0.64 for the study area. Specific- conductance values obtained at the wells, springs, and streams (tables 8 and 9) indicate that the water has a dissolved-solids concentration of 800 mg/L or less.

SUMMARY AND CONCLUSIONS

Data indicate that since 1945 the annual precipitation and surface-water runoff were generally below average and that some of the wells and springs have gone dry. Well yields are insufficient to sustain large-scale irrigation on the four reservations, and dry farming is probably not feasible because of insufficient precipitation. If the annual precipitation increases or additional water is imported into the area for irrigation, farming may become feasible.

The quality of water in the study area is generally good to excellent; locally, dissolved-solids concentrations may approach 800 mg/L. An analysis of water from well 17S/6E-28J3 shows a nitrate concentration above the recommended limit established for drinking water by the U.S. Environmental Protection Agency (1972).

Page 13: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

SELECTED REFERENCES

Bader, J. S., and Kunkel, Fred, 1957, A brief memorandum on the water supplyat five Forest Service Guard Stations, Cleveland National Forest, SanDiego County, California: U.S. Geol. Survey open-file rept., 17 p.

California Department of Water Resources, 1967, Ground water occurrence andquality, San Diego Region: California Dept. Water Resources Bull. 106-2,v. 1, 235 p., v. 2, pis.

California Resources Agency, 1967, Water quality control policy for theTijuana River basin in California: San Diego Regional Water QualityControl Board, 40 p.

Ellis, A. J., and Lee, C. H., 1919, Geology and ground waters of the westernpart of San Diego County, California: U.S. Geol. Survey Water-SupplyPaper 446, 321 p.

Erie, L. J., French, 0. F., and Harris, Karl, 1965, Consumptive use of waterby crops in Arizona: Arizona Univ. Agr. Expt. Sta. Tech. Bull. 169,44 p.

Hem, J. D., 1970, Study and interpretation of the chemical characteristics ofnatural water [2d ed.]: U.S. Geol. Survey Water-Supply Paper 1473,363 p.

Lynch, H. B., 1931, Rainfall and stream run-off in southern California since1769: Metropolitan Water Dist. Southern California, 31 p.

National Oceanic and Atmospheric Administration, published monthly andannually (all data prior to 1940 by U.S. Weather Bureau), Climatologicaldata: Natl. Oceanic and Atmospheric Adm., Climatological data, monthlypublications and annual summaries.

Olmsted, F. H., 1953, Geologic features and water resources of Campo, MesaGrande, La Jolla, and Pauma Indian Reservations, San Diego County,California: U.S. Geol. Survey open-file rept., 92 p.

Piper, A. M., 1941, Hydrologic features of the Campo Creek valley with respectto sources of water for Camp Lockett, San Diego County, California: Memoto the Zone Constructing Quartermaster, San Francisco, 4 p.

U.S. Bureau of Indian Affairs, 1975, Tribal information and directory: Mimeo.rept., 84 p.

U.S. Department of Agriculture, Soil Conservation Service, 1973, Soil survey,San Diego area, California: Pt. 1, 104 p., pt. 2, 118 p., 76 maps.

U.S. Environmental Protection Agency, Environmental Studies Board, 1972, Waterquality criteria, 1972--A report of the Committee on Water QualityCriteria: Washington, U.S. Govt. Printing Office, 594 p.

U.S. Geological Survey, 1960, Compilation of records of surface waters of theUnited States through September 1950: U.S. Geol. Survey Water-SupplyPaper 1315-B, p. 461-874.

____1964, Compilation of records of surface waters of the United States,October 1950 to September 1960: U.S. Geol. Survey Water-SupplyPaper 1735, 715 p.

____1970, Surface-water supply of the United States, 1961-65: U.S. Geol.Survey Water-Supply Paper 1928, 501 p. 1976, Surface-water supply of the United States, 1966-70: U.S. Geol.

Survey Water-Supply Paper 2128, 552 p. Waring, G. A., 1915, Springs of California: U.S. Geol. Survey Water-Supply

Paper 338, 410 p. Weber, F. H., Jr., 1963, Mines and mineral resources of San Diego County,

California: California Div. Mines and Geology County rept. 3, 309 p.

10

Page 14: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

TABLE I.--Annual precipitation at CampOj Calif.

[Data from National Oceanic and Atmospheric Administration]

Year

18771878187918801881

18821883188418851886

18871888188918901891

18921893189418951896

18971898189919001901

19021903190419051906

19071908190919101911

Precipi­ tation (inches)

a!6.2319.7211.3419.6311.39

a!6.01---- --

__--

a29.1625.18

b35.31

14.2822.48

a24.04----

----

11.3115.58

22.1012.9213.32

_ 34.4832.85

14.5717.7227.1515.8415.29

Year

19121913191419151916

19171918191919201921

19221923192419251926

19271928192919301931

19321933193419351936

1937. 1938

193919401941

19421943194419451946

Precipi­ tation (inches)

18.7416.6420.5620.0829.97

13.2019.8015.90

.. 19.3527.61

27.0515.04

a!2.8713.88

a!8.71

a31.439.77

15.8323.9223.39

22.56C13.54clO.94a!9.3418.77

18.0620.2016.3919.2224.48

9.8919.0019.2016.5412.37

Year

19471948194919501951

195219531954

. 19551956

19571958195919601961

19621963

. 196419651966

19671968196919701971

19721973197419751976

Precipi­ tation (inches)

6.018.70

12.767.17

21.24

23.247.4817.2313.867.38

18.8221.4911.1313.657.39

11.9913.6712.5024.28b6.32

16.069.03

18.9213.8011.02

8.0712.3911.679.7514.14

a. Estimated in part from nearby station.b. Partial record, data for a single month missing,c. Near Campo.

11

Page 15: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

TABLE 2. Flow record for Campo Creek

11012500 CAMPO CREEK NEAR CAMPO, CALIF.

Location. Lat 32°35 f 28", long 116°31 I 29", in SW^NE^SE^ sec. 24, T. 18 S., R. 4 E., San Diego County, on left bank just upstream from bridge on State Highway 94, 3^ mi southwest of Campo.

Drainage Area.--85.0 mi 2 , of which 3 mi 2 is in Mexico.

Period of Record.--October 1936 to 1975.

Gage.--Water-stage recorder and broad-crested weir.- Datum of gage is 2,178.92 ft above mean sea level. Prior to Dec. 1, 1954, at datum 1 ft higher.

Year

19371938193919401941

19421943194419451946

19471948194919501951

19521953195419551956

Runoff, in acre-feet

4,8205,0803,5902,110

11,140

3,6503,5704,6103,2201,560

24945

1413318

1,2101061076522

Year

19571958195919601961

19621963196419651966

19671968196919701971

1972197319741975

Runoff, in acre-feet

064132.60

00.2

2.2.4

140

2497141

13362718

12

Page 16: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

EXPLANATION OF WELL TABLE

[Boxhead explanation* are abstracted and Modified from U.S. Geological Survey "In*traction* for Using the Punch-Card System for the Storageand Retrieval of Ground-Water Data"]

State number: The well* are Identified according to their location In the rectangular system for the subdivision of public land. The Identification consists of the township number, north or couth; the range number, east or west; and the section nunber. The section is further subdivided Into sixteen 40-acre tracts lettered consecutively (excepting I and 0), beginning with A in the northeast corner of the section and progressing in a sinusoidal Banner to ft In the southeast corner. Wells within the 40-acre tract are numbered sequentially. The base line and meridian are indicated by the final letter, as follows: H, Humboldt; M, Mount Dlablo; S, San Bernardlno.

Owner or name; The apparent owner or user. la some cases, the local naae of the well ia given.

Inventory date: The year the well was field canvassed; other Information given generally applies for this date.

Method drilled:

A RotaryB Bored or augeredC Cable-toolD DugH Hydraulic-rotaryJ Jetted

Well finish:

P Air percussionR Reverse-rotaryT TrenchingV DrivenW Drive-washZ Other.

Depth of well: Depth, in feet balow land-surface datum, is defined as the bottom of the perforated or screened interval or the bottom of the uncased part of the well.

Depth cased: Length of casing, in feet below land-surface datum, or to the top of the perforated or screened interval.

T Gravel wall, perforated or slotted casingC Gravel wall, commercial screenH Borisontal gallery or collector

0 Open endP Perforated or slotted casingS ScreenT Sand point

W Wallad or shoredX Open hole in aquifer (generally

cased to aquifer) Z Other. f

ter: Inside diaaeter of the well, In inches; nominal inside diameter, in inches, of the innermost casing at the surface for drilledcased wells.

Power;

1 Hand2 Natural gas engine

A 0-20 hp B >20-SO C >50-100 D > 100- 200 t >200

Lift method:

3 Gasoline engineF 0-5 hpC >5-20H >20-50J >50-100K >100-200L >200

4 Diesel engineM 0-50 hp M >50-150 P >150-400 Q >*00-750 R >750

5 Electric motor S 0-1 hp T >l-5 U >5-15 V >15-100 W >100

6 Wind

Well use:

7 LP gas engine(propane or butane) A 0-20 hp B >20-SO C >50-100 D >100-200 E >200

8 Other.

ABCJLMMPRSTZ

AirBucketCentrifugalJetMultiple (centrifugal)Multiple ^turbine)HonePistonRotarySubnerglbleTurbineOther.

Altitude of lad: Altitude of

ABCDEFHIMM

Air conditioningBottlingCommercialDewaterlngPower generationFire protectionDomesticIrrigationMedicinalIndustrial, Includingmining

land-surface datun, in feet,

PRST0VWXTZ

above

Public supplyRecreationStock supplyInstitutionalUnusedRepressurizatlonRa chargeDesalination, public supplyDesalination, other useOther.

or below (-) mean sea level.

ADCH0PRT0W

AnodeDrainageSeismic holeHeat reservoirObservationOil or gasRechargeTest holeUnusedWithdraw water

Land-surface datun is an

X WaiZ Dei

arbitralclosely approximating land surface at the time of the first measurement and used as the plane of reference for all subsequent measure enta.

Humbcr of watar level; 0 Indicates one measurement; I indicates more than one measurement.

Chemical analyses:

C Indicates one analysis in which the major chemical constituents were determined in order topermit an anion-cation equation balance

M Indicates more than one analysis P Indicates one analysis in which a few selected constituents and properties were determined.

Pumping data:

P Indicates pumping data available.

data; Restricted information. Availability to public dependent upon requester securing owner's permission.

A Drilling-timeB Ccalng-collarC Callper (diameter) aurveyD Driller'sE ElectricF Fluid-conductivity or fluid-resistivityC Geologist or eempleH MagneticI InductionJ Gamma-rayK Dlpmeter or directional

(Inclinometer) survey

L LaterologM MicrologM Neutron0 MlcrolaterologP PhotographicQ Radioactive-tracerR Radiation (includes both neutron

and gmmma-ray) S Sonic T Temperature 0 Temperature and fluid-conductivity

(resistivity)

V Fluid-velocityW Electric and radiationX Electric, radiation, caliper,

and fluid-velocity T Electric, radiation, and sample

(or driller's) Z Electric, radiation, temperature,

and fluid-conductivity 8 Miscellaneous (other combinations).

13

Page 17: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

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Page 18: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

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Page 19: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

EXPLANATION OF SPRING TABLE

Owner or name: The apparent owner or user on the date indicated, cases, the local name of the spring is given.

Date measured: The date the spring discharge was measured.

Discharge: Discharge, in gallons per minute; D Dry, F Flowing.

Method measured: Water use:

In some

0 Estimated1 Bucket5 WeirR Reported.

Improvements:

0 None 1 Trough3 Boxed or small covered basin 5 Springhouse8 Pipe (not for conduction of

water from springs).

Altitude of Isd: Altitude of land- surface datum, in feet, above or below (-) mean sea level. Land- surface datum is an arbitrary plane closely approximating land surface.

H DomesticR RecreationS Stock supplyU UnusedZ Other (wildlife, etc.).

Chemical analyses:

C Indicates one analysis in which the major chemical constituents were determined in order to permit an anion-cation equation balance

P Indicates one analysis in which a few selected constituents and properties were determined.

16

Page 20: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

TABLE 4. --Description of springs

State number

15S/05E-24CS1

15S/06E-19ES1

15S/06E-19FS115S/06E-20ES116S/05E-27KS1

16S/06E-02PS1

16S/06E-11ES116S/06E-11HS116S/06E-12CS116S/06E-13QS1

16S/06E-15AS116S/06E-15QS116S/06E-15QS216S/06E-18QS1

16S/06E-24KS116S/06E-25DS1

16S/06E-25ES116S/06E-26LS116S/06E-26PS116S/06E-27HS116S/06E-33HS3

16S/06E-35BS1

16S/06E-35HS116S/06E-35JS116S/06E-35JS216S/06E-36JS116S/06E-36PS116S/07E-07GS1

S

S

SSS

S

SSSS

SSSS

SS

SSSSS

S

SSSSSS

Owner or name

U.S. ForestService

CuyapaipeReservation

do.do.

U.S. ForestService

Bureau of LandManagement

do.do.do.do.

do.do.do.

U.S. ForestService

R. GastavlumManzanita

Reservationdo.do.do.

McCainCrestwood

RanchManzanita

Reservationdo.do.do.

Bureau of Land

Data visited

or measured

10-11-74

12-18-74

12-17-7412-05-7410-09-74

8-07-74

8-16-748-01-748-07-748-08-748-26-749-04-749-05-749-05-7411-20-74

8-26-748-09-74

8-27-748-27-748-27-748-27-748-29-74

5-12-76

5-12-768-27-745-11-769-11-7410-02-745-24-66

Dis- .0 charge £ (gal/ § 5 min) £ 2

0.56 1

.2 0

D

8.97 5

DDD.09 1.23 1D

2.24 5

2.24 5.18 1D

3.17 1

.63 1D.63 1D.09 1F

V)Df-. 0)

rt

S

z

zHZ

U

SZUU

SSUU

UR

RSUSS

S

SUSUSS

Improvements

1

1

003

1

1101

1110

11

18010

0

010010

Chemical analyses

P

P

PCP

PP

PP

P

PP

PP

PP

P

P

P

PP

Altitude of LSD (feet)

5,960

5,520

5,3905,2353,860

4,280

4,3504,2504,1504,080

4,3904,4304,4403,950

4,0804,000

4,0004,2004,2004,3204,120

4,040

.4,0454,0804,0553,7803,9803,800

Management

17

Page 21: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

TABLE 4. Description of springs Continued

State number

Data~ visited Owner or name or

measured

Dis­charge (gal/min)

opO^

-osure

riE

Vto

o pri^

to pc oo oa.

I-H

i 1

ri O

H

O,jCU

too(0

i la)SCO

o

p H PrH<

aCO

t^o

p oo (4-1

V f

16S/07E-07MS1 S Bureau of Land Management

5-24-66 4,000

16S/07E-18DS1 S

16S/07E-19JS1 S17S/06E-01DS1 S17S/06E-01DS2 S17S/06E-01MS1 S

17S/06E-03AS1 S17S/06E-05ES1 S

17S/06E-11DS1 S

17S/06E-11DS2 S17S/06E-11MS1 S17S/06E-11MS2 S17S/06E-11NS2 S17S/06E-11QS2 S17S/06E-12ES1 S

17S/06E-13ES2 S17S/06E-13MS1 S17S/06E-13NS1 S

17S/06E-14JS1 S

17S/06E-15FS1 S

17S/06E-27BS1 S17S/06E-28AS1 S17S/06E-33RS1 S

18S/06E-08NS1 S

18S/06E-09RS1 S

do.

F. Shawdo.

CampoReservation

do.La PostaReservation

CampoReservation

do.J. Pangle

do.do.

E. CureoCampo

ReservationE. Jowl IsV. ThackerCampo

ReservationJ. Elliott

CampoReservation

do.do.

Bureau of LandManagement

CampoReservation

9-04-745-24-668-13-748-26-748-27-748-27-749-18-74

8-29-7411-22-74

8-29-74

8-29-748-28-748-28-748-28-748-28-748-28-74

1-09-7510-29-521-09-75

10-29-521-09-755-10-76

1-09-751-08-75

10-24-521-07-754-06-76

1-07-75

0.10 1F UDD U

HSZ

.005 1 U1.98 1 S

U

D UU

D USH

.24 1 H

U2.00 0 U

U

6.00 R S.396 1.79 1 U

U.505

2.5 UD.03 1 S

D U

0

1110

31

1

10

131

150

1

0

101

1

1

PPP

Pc

P

PPPPP

PP

P

c

cP

c

4,000

4,0004,0804,0404,050

4,4603,560

4,335

4,3604,1404,1404,1204,0104,160

4,0203,9703,955

3,920

3,960

3,6703,4553,240

3,390

3,470

18

Page 22: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

TABLE 5. Water-level measurements in wells

Letter(s) following water-level measurements:

A Hell being pumped. GB Well pumped recently. HC Nearby well being pumped. ID Nearby well pumped recently. JE Estimated. KF Dry.

Measurement by another agency. Tape measurement (recorder) . Affected by atmospheric pressure. Water level below sea level. Measurement from recorder chart.

M Obstruction in wellabove water surface,

N No measurement. O Discontinued. P Destroyed. Q Flowing

15S/5E-24B1 S. LSD 5730 FT ABOVE. MSL.HIGHEST WATEK LEVEL 166.4* BELOW LSC, NOV. 19, 1974. LOWEST WATER LEVEL 136.44 8ELOW LSD. NOV. 19. 1974. RECORDS AVAILABLE: 1V74.

NOV.

DMTE

19, 1974

WATER LEVEL

186.44

WATER DATE LEVEL

WATEK DATE LEVEL

a ATE* DATE LEVEL

16S/6E-2N1 S. PERFORMTED 24-32 FTI OPEN HOLE 32-75 FT. LSD 4355 FT ABOVE MSL.HIGHEST WATER LEVEL 23.00 BELOw LSO. . 1<*66. LOWEST wATEk LEVEL 23.00 dELOw LSO, . 1966. RECORDS AVAILABLE: 1966, 1974.

DATE

1966

WATER LEVEL

23. 0 AUG.

DATE

8, 1974

WATER LEVEL

N

WATER DATE LEVEL

*ATEP DATE LEVEL

16S/6E-25M1 S. DEPTH 4 FT IN 1974. LSD 4100 FT ABOVE MSL.HIGHEST WATER LEVEL 2.50 HELOW LSD. SEP. 12. 1V7*. LOWEST WATER LEVEL 2.50 BELOW LSD. SEP. 12. 1974. RECORDS AVAILABLE: 1974.

SEP.

DATE

12, 1974

WATER LEVEL

2.5

ATER DATE LEVEL

fATEk DATE LEVEL

ATF.K DATE LEVEL

16S/6E-26A1 S. DEPTH bO.7 FT IN 1974. LSD 4075 FT ABOVE MSL.HIGHEST WATER LEVEL 25.32 BELOW LSD, AUG. 27, 1974, LOWEST WATER LEVEL 25.32 BELOW LSD, AUG. 27, 1974. RECORDS AVAILABLE: 1974.

DATE

AUG. 27, 1974

WATER LEVEL DATE

WATER LEVEL DATE

WATER LEVEL DATE

ATER LEVEL

25.32

16S/6E-26Q1 S. DEPTH 4 FT IN 1974. LSD 4120 FT ABOVE MSL.HIGHEST WATER LEVEL 3.00 BELOW LSD, AUG. It 1974, LOWEST WATER LEVEL 3.00 BELOW LSD, AUG. 1, 1974. RECORDS AVAILABLE: 1974.

AUG.

DATE

1. 1974

WATER LEVEL

3.0

WATER DATE LEVEL

WATER DATE LEVEL

WATER DATE LEVEL

19

Page 23: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

TABLE 5. Water-level measurements in wells Continued

16S/6E-26Q2 5. LSD 4125 FT ABOVE MSL.HIGHEST WATER LEVEL 1.70 BELOW LSOt AUG. It 1974* LOWEST WATER LEVEL 1.70 BELOW LSOt AUG. 1* 197*. RECORDS AVAILABLE: 1974.

. AUG.

DATE

If 1974

WATER LEVEL

1.7

WATER DATE LEVEL

WATER DATE LEVEL

WATER DATE LEVEL

16S/6E-26Q3 S. DEPTH 5 FT IN 1974, LSD 4130 FT ABOVE MSL. RECORDS AVAILABLE: 1974.

AUG.

DATE

It 1974

WATER LEVEL

4.4 A

WATER DATE LEVEL

WATER DATE LEVEL

WATERDATE LEVEL

16S/6E-26Q4 S. PERFORATED 40-45 f 55-60 FT. LSD 4120 FT ABOVE MSL.HIGHEST WATER LEVEL 9.21 BELOW LSD f MAY 12t 1976t LOWEST WATER LEVEL 28.00 BELOW LSOt JULY 8, 1974. RECORDS AVAILABLE: 1974 f 1976.

JULY

DATE

8. 1974

WATER LEVEL

28. G AuG.

DATE

It 1974

WATER LEVEL

11.49

DATE

MAY I2t 1976

WATER LEVEL

9.21

WATER DATE LEVEL

16S/6E-28N1 S. DEPTH 75.0 FT IN 1974. LSD 3900 FT ABOVE MSL. HIGHEST WATER LEVEL 36.70 BELOW LSDt AUG. 29t 1974tLOWEST WATER LEVEL 36.70 6ELOW LSD. AUG. 29. 1974. RECORDS AVAILABLE: 1974.

DATE

AUG. 29. 1974

LEVEL

36.70

DATEWATER LEVEL DATE

WATER LEVEL DATE

*ATER LEVEL

16S/6E-30P1 S. LSD 3550 FT ABOVE MSL.HIGHEST WATER LEVEL 39.30 BELOW LSD, OCT. 3, 1974, LOWEST WATER LEVEL 39.30 BELOW LSD. OCT. 3, 1974. RECORDS AVAILABLE: 19.74.

OCT.

DATE

3, 1974

WATER LEVEL

39.30

WATER DATE LEVEL

WATERDATE LEVEL

MATER DATE LEVEL

16S/6E-30P2 S. LSD 3545 FT AflOVE MSL.HIGHEST WATER LEVEL 42.47 BELOW LbOt OCT. 3. 1974. LOWEST WATEK LEVEL 42.47 bELO* LSO. OCT. 3. 1974. RECORD^ AVAILABLE: 1974.

DATE

OCT. 3. 1974

WATEr*LEVEL DATE

fcAIER LEVEL DATE

WATER LEVEL DATE LEVEL

20

Page 24: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

TABLE 5. Water-level measurement* in wells Continued

16S/6E-31C1 S.LSD 3540 FT ABOVE MSL.HIGHEST WATER LEVEL 29.05 BELOW LSD, OCT. 3» 197*, LOWEST WATER LEVEL 29.05 BELOV» LSDt OCT. 3, 197*. RECORDS AVAILABLE: 1974.

WATER WATER wATEk *ATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

OCT. 3t 197* 29.05

16S/6E-3361 S. DEPTH 39.50 FT IN 197*. LSD 41*0 FT ABOVE MSL.HIGHEST WATER LEVEL 12.06 BELOW LSDt AUG. 29, 197*, LOWEST WATER LEVEL 12.06 BELOW LSD, AUG. 29, 197*. RECORDS AVAILABLE: 197*.

WATER WATER WATER WATEP DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

AUG. 29, 197* 12.06

16S/6E-33H1 S. DEPTH 90 FT WHEN DRILLED. LSD *180 FT ABOVE MSL. RECORDS AVAILABLE: 197*.

WATER WATER WATER *ATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

AUG. 29, 197* 33.8BA

16S/6E-33J1 S. DEPTH 12.2 FT IN 197*. LSD *160 FT ABOVE MSL.DRY, WATER LEVEL NOT MEASURABLE, NOV. 21, 197*. RECORDS AVAILABLE: 197*.

WATEH WATER WATER WATE^ DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

NOV. 21. 197* F

16S/6E-33J2 S. PERFORATED 38-58, 7b-97 FT. LSD *195 FT ABOVE MSL.HIGHEST WATEH LEVEL *1.1* BELOW LSD, NOV. 21, 197*, LOWEST WATER LEVEL *2.GD UELOW LSU, JULY 2, 197*. RECORDS AVAILABLE: 197*.

WATER *ATE« WATER WATE& DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

JULY 2t 197* *<;. G NOV. 21, 197* *1.1*

16S/bE-3*Ll S. DEPTH *1.1 FT IN 197*. LSD *330 FT ABOVE MSL.HIGHEST WATErt LEVEL 21.?3 BELOW LSD, AUG. 29, 197*, LOWEST WATE^ LEVEL 21.23 dELOW LSD, AUG. 29* 197*. RECORD^ AVAILABLE: 197*.

WATE* *ATER W*TEW -ATE* DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

AUG. 29, 197* 21.23

21

Page 25: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

TABLE 5. Voter-level measurements in wells--Continued

16S/7E-18D2 S. PERFORATED 9=-l20. 285-295 FT. LSD 4050 FT ABOVE MSL.HIGHEST WATER LEVEL 18.49 BELOW LSOf AUG. 13f 1974, LOWEST WATER LEVEL IB.49 BELOW LSU, AUG. 13, 1974. RECORDS AVAILABLE: 1974.

WATE» WATER nATER *ATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

AUG. 13* 1974 18.4V

lbS/7£-20Dl S. PERFORATIONS UNKNOWN! DEPTH 73 FT IN 1968.LSD 3965 FT ABOVE MSL.HIGHEST WATER LEVEL 25.00 BELOW LSD, MAR. 7, 1968, LOWEST WATER LEVEL 28.42 BELOK LSD, AUG. 13. 1974. RECORDS AVAILABLE: 1968, 1974.

WATER WATER WATER WATEnt DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

MAR. 7. 1968 25. G AUG. 13, 1974 26.42

16S/7E-20D2 S. DEPTH 22.9 FT IN 1974. LSD 3965 FT ABOVE MSL.DRY, WATER LEVEL NOT MEASUREABLE, AUG. 13, 1974. RECORDS AVAILABLE: 1974.

WATER WATER WATER WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

AUG. 13, 1974 F

16S/7E-31P1 S. DEPTH 122.5 FT IN 1974. LSD 3710 FT ABOVE MSL.HIGHEST WATER LEVEL 32.39 BELOW LSD, SEP. lit 1974, LOWEST WATER LEVEL 32.39 BELOW LSD, SEP. 11, 1974. RECORDS AVAILABLE: 1974.

WATEfc WATER WATER WATEP DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

SEP. 11. 1974 32.39

16S/7E-33N1 S. DEPTH 130 FT IN 1966. LSD 3640 FT ABOVE MSL.HIGHEST WATER LEVEL 47.00 BELOW LSD, , 1966, LOWEST WATER LEVEL 55.36 BELOW LSDt OCT. 19, 1972. RECORDS AVAILABLE: 1966, 1972, 1974.

WATER WATER WATER WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

1966 47. G OCT. 19, 1972 55.36B AUG. 13, 1974 M

17S/5E-3R1 S. DEPTH 49 FT WEN DRILLED, 48.7 FT IN 1974. LSD 3250 FT ABOVE MSL.HIGHEST WATER LEVEL 44.00 BELOW LSD, MAY 19, 1953, LOWEST WATER LEVEL 48.40 BELOW LSDt AUG. 7, 1957. RECORDS AVAILABLE: 1953, 1957, 1974.

WATER WATER WATER WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

MAY 19, 1953 44. G JULY 14, 1953 47.3 G AUG. 7, 1957 48.4 OCT. 9, 1974 46.55

22

Page 26: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

TABLE 5. Water-level measurements in wells Continued

17S/3E-33H1 S. DEPTH Ibii FT In 1976. LSD 2*05 FT ABOVE MSL.HIGHEST WATER LEVEL 52.09 BELOW LSt-'t AP*. 8, 1976, LOWEST WATER LEVEL 52.09 BELOW LSOt APR. 8, I97b. RECORDS AVAILAbLE: 1976.

WATE« rfATER WATEW DATE LEVEL DATE. LEVEL DATE LEVEL DATE LtVEL

APR. 8, 1976 52.09

17S/bE-33Rl S. PERFORATED 41-61 FT. LSD 2805 FT ABOVE MSL.HIGHEST WATER LEVEL 35.21 BELOW LSD» APR. e, 1976, LOWEST WATER LEVEL 39.00 BELOW LSU, JULY la, 1974. RECORDS AVAILABLE: i97*-76.

WATEK WATER »ATER «ATE* DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

JULY 18, 1974 39. G JAN. 6, 1975 35.62 APH. 3, 1976 Sb.-'l

17S/6E-1L1 S.LSD 3960 FT ABOVE MSL.HIGHEST WATEH LEVEL 2.SO HELOW LSD, OCT. 29, 1952, LOWEST WATER LEVEL 2.50 bELOw LSD, OCT. 29, 1952. RECORDS AVAILABLE: 1952, 1974.

WATER WATER WATER WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

OCT. 29, 1952 2.5 AuG. 27, 197* P

17S/6E-1L2 S. PERFORATED 40-50 FT. LSD 3980 FT ABOVE MSL.HIGHEST WATER LEVEL 21.30 BELOW LSD, , 1973, LOWEST WATER LEVEL 21.56 BELOW LSD, AUG. 14, 1974. RECORDS AVAILABLE: 1973-74.

WATEH WATER WATER WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

1973 21.3 G AUG. 14, 1974 21.5b

17S/bE-6Cl S. DEPTH 22.8 FT IN 1974. LSD 3460 FT ABOVE MSL.DRY, WATER LEVEL NOT MEA?USEABLE, NOV. 2i» 1974.RECORDS AVAILABLE: 1974.

WATE* WATER WATER WATE9 DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

NOV. 21, 1974 F

17S/6E-10F1 S. DEPTH 7.4 FT IN 1952, 8.2 FT IN 1974. LSD 4205 FT ABOVE MSL.HIGHEST WATER LEVEL 2.39 BELOW LSD, OCT. 29, 1952, LOWEST WATER LEVEL 4.05 BELOW LSD, SEP. 20, 1974. RECORDS AVAILABLE: 1952, 1974.

WATER WATER WATER WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

OCT. 29, 1952 2.39 SEP. 20, 1974 4.05

23

Page 27: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

TABLE 5. Voter-level measurements in uelle Continued

17S/6E-10F2 S. DEPTH 75 FT IN 1972, 76.5 FT IN 1974. LSD 4200 FT ABOVE MSL.HIGHEST WATER LEVEL 7.10 BELOW LSD, SEP. 14, 1972, LOWEST WATER LEVEL 16.67 BELOW LSD, SEP. 20, 1974. RECORDS AVAILABLE: 1972, 1974.

WATER WATER WATER WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

SEP. 14, 1972 7.1 G SEP. 20, 1974 16.67

17S/6E-11N1 S.LSD 4045 FT ABOVE MSL.HIGHEST WATER LEVEL 19.35 BELOW LSD, AUG. 28, 1974, LOWEST WATER LEVEL 19.35 BELOW LSD, AUG. 28, 1974. RECORDS AVAILABLE: 1974.

WATER WATER WATER ' WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

AUG. 28, 1974 19.35

17S/6E-11P1 S. DEPTH 85 FT IN 1972. LSD *090 FT ABOVE MSL.HIGHEST WATER LEVEL 18.70 BELOW LSD, AUG. 28, 1974, LOWEST WATER LEVEL 18.70 BELOW LSD, AUG. 28, 1974. RECORDS AVAILABLE: 1974.

WATER . WATER WATER HATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

AUG. 26, 1974 18.70

17S/6E-11P2 S. DEPTH b FT IN 1974. LSD 409i> FT ABOVE MSL.DRY, WATER LEVEL NOT MEASUREABLE, AUG. 28, 1974. RECORDS AVAILABLE: 1974.

WATER WATER wATER WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

AUG. 28, 1974 F

17S/6E-11Q1 S. DEPTH b5 FT IN 1973, 54.1 FT IN 1974. LSD 4120 FT ABOVE MSL.HIGHEST WATER LEVEL 22.05 6ELOW LSD, AUG. 28, 1974, LOWEST WATER LEVEL 28.00 BELOW LSD, , 1973. RECORDS AVAILABLE: 1973-74.

v WATER *ATE« WATEK WATFP DATL LEVEL DATE LEVEL DATE LEVEL D«TE LEVEL

1973 20. G AUG. 28, 1974 22.05

17S/6E-12F1 S. DEPTH 5 FT IN 1974. LSD 3970 FT ABOVE MSL.HIGHEST WATER LEVEL 3.50 BtLOW LSD, AU5. 14, 1974, LOWEST WATER LEVEL 3.50 BELOW LSO, AUG. 14, 1974. RECORDS AVAILABLE: 1974.

WATEK WATER XATER »ATE* DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

AUb. 14, 1974 3.5

24

Page 28: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

TABLE 5. Water-level measurements in wells Continued

17S/6E-12M1 s. PERFORATED 99-119 FT. LSD 4100 FT ABOVE MSL. HIGHEST WATER LEVEL 18.00 8ELOW LSDt , 1973tLOWEST WATER LEVEL 36.16 BELOW Lso f AUG. 14. 1974. RECORDS AVAILABLE: 1973-74.

WATER WATER WATER WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

1973 18. G AUG. 14, 1974 36.16

17S/6E-12M2 S. DEPTH 6.3 FT IN 1974. LSD 4120 FT ABOVE MSL. RECORDS AVAILABLE: 1974.

WATER WATER WATER WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

AUG. 14, 1974 1.3 A

17S/6E-12M3 S. DEPTH b.S FT IN 1974. LSD 4110 FT ABOVE MSL.HIGHEST WATER LEVEL 1.50 BELOW LSD* AUG. 1** 1974, LOWEST WATER LEVEL 1.50 BELOW LSD, AUG. 14, 197*. RECORDS AVAILABLE: 1974.

WATER WATER WATER WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

AUG. 1»» 1974 1.5

17S/6E-12M4 S. DEPTh l.b FT IN 197*.LSD 4115 FT ABOVE MSL. RECORDS AVAILABLE: 197*.

WATER WATER WATER toATEP DATE LEVEL DATE LEVEL UATE LEVEL DATE LEVEL

AUG. 14, 1974 1.2 A

17S/6E-13E1 S.LSD 4020 FT ABOVE MSL.HIGHEST WATER LEVEL 20.38 BELOW LSD, JAN. 9, 1975,LOWEST WATER LEVEL 20.3* BELO* LSO, JAN. 9, 1975.RECORDS AVAILABLE: 1975.

WATER WATER WATER WATE& UATE LEVEL DATE LEVEL DATE LEVEL D«T£ LEVEL

JAN. 9, 197b 20.38

17S/6E-13M2 S. PERFORATED 50-00 FT. LSD 3*40 FT ABOVE MbL.HIGHEST WATER LEVEL ib.*5 CJELOW LSD, JAN. *» 1975,LOWEST WATER LEVEL Id.00 faELOW LSO, t 1973.RECORDS AVAILABLE: 1973, 1975.

WATER WATER WATER XATEH UATE LEVEL DATiI LEVEL DATE LEVEL D4TE LEVEL

1973 18. 0 JAN. 9, 197s J6.6S

25

Page 29: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

TABLE 5.--Water-level measurements in wells Continued

17S/6E-13M3 S. LSD 3*20 FT ABOVE MSL.HIGHEST WATER LEVEL 3.76 BELOW LSD* JAN. LOWtST W«TER LEVEL 3.76 BELOK LSD. JAN. RECORDS AVAILABLE: 1975.

9. 1975,9, 1975.

JAN.

DATE

9, 197S

WATEH LEVEL

3.76

WATER DATE LEVEL

WATER DATE LEVEL

W^TER DATE LEVEL

17S/6E-13N2 S. OPEN HOLE 60-80 FT. LSD 3945 FT ABOVE MSL. HIGHEST WATEH LEVEL 40.00 BELOW LSOf LOWEST WATER LEVEL 42. ?9 BELOW LSD, JAN. RECORDS AVAILABLE: 1973. 1975.

WATER DATE LEVEL DATE

1973 40. G JAN. 9, 1975

. 1973. 9. 1975.

WATER WATER LEVEL DATE LEVEL

42.29

hATER DATE LEVEL

17S/6E-14C1 S. DEPTH 77.1 FT IN 1974. LSD 4020 FT ABOVE MSL.HIGHEST WATER LEVEL is.52 BELOW LSD. AUG. 29, 1974.LOWEST WATER LEVEL 15.52 BELOW LSD. AUG. 29. 1974. RECORDS AVAILABLE: 1974.

AUG.

DATE

29, 1974

WATER LEVEL

15.52

WATER DATE LEVEL

WATER DATE LEVEL

WATER DATE LEVEL

17S/6E-14D1 S. DEPTH 1000 FT WHEN DRILLED. LSD *025 FT ABOVE MSL.HIGHEST WATER LEVEL 12.17 BELOW LSD. AUG. 29, 1974, LOWEST WATER LEVEL 12.17 BELOW LSD. AUG. 29. 1974. RECORDS AVAILABLE: 1974.

DATE

AUG. 29. 1974

WATER LEVEL DATE

WATER LEVEL DATE

WATER LEVEL DATE

iATER LEVEL

12.17

17S/6E-14Q1 S. DEPTH 275 FT IN 1976.LSD 3910 FT ABOVE MSL. RECORDS AVAILABLE: 1976.

MAY

DATE

13, 1976

WATER LEVEL

39.77A

WATER DATE LEVEL

WATER DATE LEVEL

ATERDATE LEVEL

17S/6E-14Q2 S. DEPTH 29.0 FT IN 1976. LSD 3905 FT ABOVE MSL.DRY, WATER LEVEL NOT MEASUREABLE, MAY 13, 1976. RECORDS AVAILABLE: 1976.

DATE

MAY 13* 1976

WATER LEVEL DATE

WATER LEVEL DATE

WATER LEVEL DATE

nATER LEVEL

26

Page 30: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

TABLE 5. Water-level measurements in wells Continued

17S/6E-14G3 S. DEPTH 53.4 FT IN 1976. LSD 3*05 FT ABOVE MSL. HIGHEST WATER LEVEL 40.46 d£LOW LSDt MAY 13t 1*76.LOWEST WATER LEVEL 40.46 6ELC* LSDt MAY 13t 1976. RECORDS AVAILABLE: 1976.

WATER WATER WATER »>ATE3 DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

HAY 13. 1976 40.46

17S/6E-14R1 S. PEKFOKATIONS UNKNOwNt DEPTH 300 FT IN 1975. LSO 3865 FT AbOVE MSL.HIGHEST WATER LEVEL 26.12 8ELOW LSDt MAY 13t 1976t LOWEST WATER LEVEL 36.12 BELOW LSOt MAY 13. 1976. RECORDS AVAILABLE: 1976.

WATER WATER WATER «ATEP DATE LEVEL DATE LEVEL DATE LEVEL DATE LEvEL

MAY 13t 1976 26.12

17S/6E-14R2 S. DEPTH 46.3 FT IN 1976. LSD 3900 FT ABOVE MSL.HIGHEST WATER LEVEL 37.70 BELOW LSO» MAY 13. 1976t LOWEST WATER LEVEL 37.70 BELOW LSD. MAY 13t 1976. RECORDS AVAILABLE: 1976.

WATER WATER WATER WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

MAY 13t 1976 37.70

17S/6E-25D1 S. DEPTH 78.7 FT IN 1976. LSD 3680 FT ABOVE MSL.HIGHEST WATER LEVEL 27.83 BELOW LSOt MAY lit I976tLOWEST WATER LEVEL 27.83 BELOW LSOt MAY lit 1976.RECORDS AVAILABLE: 197b.

WATER WATER WATER «ATE» DATE LEVEL DATE LEVEL - DATE LEVEL DATE LEVEL

MAY lit 1976 27.83

17S/6E-2502 S. DEPTH 53.2 FT IN 1976. LSD 3645 FT AbOVE MSL.HIGHEST WATER LEVEL 13.54 BELOW LSDt MAY lit 1976t LOWEST WATER LEVEL 13.54 BELOW LSOt MAY lit 1976.RECORDS AVAILABLE: 1976.

HATER WATER fc'ATER MATE? DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

MAY lit 1976 13.54

17S/6E-25N2 S. DEPTH 64.8 FT IN 1976. LSD 3730 FT ABOVE MSL. RECORDS AVAILABLE: 1976.

WATER WATER WATER WATE*DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

HAY 13. 1976 19.26A

27

Page 31: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

TABLE 5. Vater-level measurement a in veils--Continued

17S/6E-27A1 S. PERFORATED 56-76 FT. LSD 3640 FT ABOVE MSL. HIGHEST WATER LEVEL 18.00 BELOW LSDt LOWEST WATER LEVEL 27.73 BELOW LSD. JAN. RECORDS AVAILABLE: 1973, 1975.

> 1973* 1975.

DATE

1973

WATER LEVEL

16. G JAN.

DATE

9, 1975

WATER LEVEL

27.73

WATER DATE LEVEL

WATER DATE LEVEL

17S/6E-27B2 S. DEPTH 13 FT IN 1975.LSD 3630 FT ABOVE MSL.HIGHEST WATER LEVEL 6.34 BELOW LSD* JAN. 9* 1975* LOWEST WATER LEVEL 6.34 BELOW LSD* JAN. 9* 1975. RECORDS AVAILABLE: 1975.

JAN.

DATE

9» 1975

WATER LEVEL

6.34

WATER DATE LEVEL

WATER DATE LEVEL

WATER DATE LEVEL

17S/6E-27D1 S. OPEN HOLE 46.5-58 FT. LSD 3565 FT ABOVE MSL.HIGHEST WATER LEVEL 29.00 BELOW LSD» * 1973* LOWEST WATER LEVEL 34.32 BELOW LSD* JAN. 9* 1975. RECORDS AVAILABLE: 1973, 1975.

WATER DATE LEVEL

1973 29. G JAN.

DATE

9t 1975

WATER LEVEL

3*. 328

WATER DATE LEVEL

WATER DATE LEVEL

l7b/t>E-2BJl S. DEPTH 55 FT IN 1952. 5.3 FT IN 1975. LSD 3335 FT ABOVE MSL.HIGHEST WATER LEVEL 26.36 BELOW LSD* OCT. 28* 1952* DRY, WATER LEVEL NOT MEA5UREABLE. JAN. 8, 1975. RECORDS AVAILABLE: 1952, 1975.

OCT.

DATE

28, 1952

WATER LEVEL

2B.36

DATE

JAN. 8, 1975

WATER LEVEL DATE

F

WATER LEVEL

*ATER DATE LEVEL

17S/&E-28J2 S. OPEN HOLE 65-75 FT. LSD 3335 FT ABOVE MSL. HIGHEST WATER LEVEL 49.06 BELOW LSD* JAN. LOWEST WATER LEVEL 55.00 bELOW LSD* RECORDS AVAILABLE: 1973, 1975.

8* 1975* . 1973.

WATE« DATE LCVEL

1973 55. G JAN.

DATE

8, 1975

WATER LEVEL

49.08

WATEH DATE LEVEL

MATERDATE LEVEL

17S/6E-28J3 S. DEPTH 74 FT IN 1972. LSD 333b FT ABOVE MSL. HIGHEST WATER LtVEL 4b.OO BELOW LSD* LOWEST »ATtR LEVEL 49.32 BELOw LSLi, JAN.RECORDS AVAILABLE: 1*72, 1975.

WATEri DATE LEVEL DATE

197* 46. b JAN. 8, 1975

* 1972* 8, 1975.

WATER WATEH LEVEL DATE LEVEL

49.32

*ATEW DATE LEVEL

28

Page 32: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

TABLE 5. Water-level measurements in wells Continued

17S/6E-32H1 S. PERFORATED 18-48 FTI DEPTH 11.6 FT IN 1975. LSD 3185 FT ABOVE MS|_.HIGHEST WATER LEVEL 15.00 BELOW LSDt MAR. 20t 1939, APR. 15, 1939, DRYt WATER LEVEL NOT MEASUREASLE, JAN. 7, 1975. RECORDS AVAILABLE: 1939, 1952, 1975.

WATER WATER WATER «iATE* DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

MAR. 20, 1939 15. G OCT. 23* 1952 20.65 NOV. 23* 1953 21.89 JAN. 7, 1975 FAPR. 15 15. G OCT. 30 20.34

17S/6E-32H2 S. DEPTH 61 FT IN 1972. LSD 3185 FT ABOVE HSL.HIGHEST WATER LEVEL 28.00 BELOW LSD* * 1972* LOWEST WATER LEVEL 28.63 BELOW LSD* JAN. 7* 1975. RECORDS AVAILABLE: 1972* 1975.

WATER WATER WATER WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

1972 26. G JAN.- 7V1975 28.63

17S/6E-33M S. DEPTH 15 FT IN 1952. LSD 3115 FT ABOVE MSL.DRY* WATER LEVEL NOT MEASUKEABLE* OCT. 23* 1952. RECORDS AVAILABLE: 1952, 1975.

WATER WATER " WATER WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

OCT. 23. 1952 F JAN. 7, 1975 P

17S/6E-33N2 S. DEPTH 50.7 FT IN 1975. LSD 3135 FT ABOVE HSL.HIGHEST WATER LEVEL 36.16 BELOW LSD* JAN. 7* 1975* LOWEST WATER LEVEL 36.16 8ELOM LSD* JAN. 7* 1975. RECORDS AVAILABLE: 1975.

WATER WATER WATER *ATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

JAN. 7* 1975 36.16

17S/6E-33R2 S. DEPTH 55 FT IN 1972. LSD 3232 FT ABOVE MSL.HIGHEST WATER LEVEL 12.30 BELOW LSD* JAN. 7* 1975* LOWEST WATER LEVEL 12.30 BELOW LSD, JAN. 7* 1975. RECORDS AVAILABLE: 1975.

WATER WATER piATtfi HATEK DATE LEVEL DATE LEVEL DATE LEVEL DATE LtvEL

JAN. 7. 1975 12.30

l7S/bt-33H3 S. DEPTH lb.6 FT IN l97o. LSD 3235 FT ABOVE MSL.HIGHEST WATER LEVEL 10.05 rtELOW LSD* APR. 7. 1976. LOWEST WATE.l LEVEL 10.30 b£.LO* LSD, JAN. 7. 197S.RECORDS AVAILABLE: 197S-76.

WATE* HATER fcATErt WATE-* DATE LEVF.L DATt LEVEL DATE LEVEL DATE LE/EL

JAN. 7. 197b 10.30 APR. 7, 1976 10.05

Page 33: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

TABLE 5. Water-level measurements in ueZZs--Continued

17S/6E-34H1 S. OPEN HOLt 20-VO FT. LSD 3470 FT aBOVE hSL.HIGHEST WATER LEVEL 31.28 BELOW LSD. JAN. 8. 1V75. LOWEST WATER LEVEL 32.00 BELOW LSD. SEP. . 1972. RECORDS AVAILABLE: 1972t 1975.

WATER WATER WATER WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

SEP. 1972 32. G JA»I. 8. 1975 31.26

17S/6E-34M1 S. DEPTH 53.3 FT IN 1976. LSD 3260 FT ABOVE MSL.HIGHEST WATER LEVEL 15.94 dELOW LSD. APR. 14. 1976. LOWEST *AT£R LEVEL 15.84 BELOW LSD. APR. 14. 1976. RECORDS AVAILABLE: 1975-76.

WATER WATER WATER WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

JAN. 8. 1975 N APR. 14. 1976 15.84

17S/6E-34N1 S. PERFORATED 10-52 FTI DEPTH 7.7 FT IN 1975. LSD 3280 FT ABOVE MSL.HIGHEST WATER LEVEL s.oo BELOW LSD. APR. a. 1939. DRY, WATER LEVEL NOT hEASUHEABLE. JAN. 8. 1975. RECORDS AVAILABLE: 1939, 1952, 1975.

WATER WATER WATER WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

APR. 8, 1939 5. G OCT. 24. 1952 15.77 JAN. 8. 1975 F

17S/6E-34N2 S. DEPTH 40.6 FT IN 1972. LSD 3275 FT ABOVE MSL.HIGHEST WMTER LEVEL 27.00 BELOW LSD. . 1972. LOWEST WATtK LEVEL 30.39 BELOW LSD. JAN. 8» 1975. RECORDS AVAILABLE: 1972, 1975.

WATER WATER WATER WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

1972 27. 6 JAN. 8, 1975 30.39

17S/6E-34N3 S. PERFORATED 85-95 FT. LSD 3290 FT ABOVE MSL.HIGHEST WATER LEVEL 57.25 BELOW LSD. SEP. 1*. 1972, LOWEST WATER LEVEL 58.00 BELOW LSD, JAN. 8, 1975. RECORDS AVAILABLE: 1972. 1975.

WATER WATER WATER WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

SEP. 14. 1972 57.25G JAN. 8* 1975 58. C

17S/6E-35P1 S. DEPTH 350 FT IN 1972. LSD 3500 FT ABOVE MSL.HIGHEST WATER LEVEL 32.43 BELOW LSD. APR. 15. 1976, LOWEST WATER LEVEL 32.43 BELOW LSD. APR. 15, 1976. RECORDS AVAILABLE: 1976.

WATER WATER WATER «ATEH DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

APR. 15, 1976 32.43

30

Page 34: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

TABLE 5. Water-level measurements in wells Continued

17S/7E-7D1 S. DEPTH 19.0 FT IN 197*. LSD 3793 FT ABOVE MSL.HIGHEST WATER LEVEL 13.89 BELOW LSDt SEP. 18» 197*. LOxEST WATER LEVEL 13.t>9 dELOW LSDt SEP. 18. 197*. RECORDS AVAILABLE: 1974.

WATER WATER HATER WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

SEP. 18, 197* 13.89

18S/5E-181 S. DEPTH 6* FT IN 1955. LSD 2800 FT ABOVE MSL.HIGHEST WATER LEVEL 30.00 BELOW LSDt AUG. 10* 1966. LOWEST WATER LEVEL 30.00 BELOW LSD* AUG. 10* 1966. RECORDS AVAILABLE: 1966.

WATER WATER WATER WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

AUG. 10* 1966 30. G

18S/5E-301 S. PERFORATED 46-100 FT. LSD 2715 FT ABOVE MSL.HIGHEST WATER LEVEL 45.00 BELOW LSD. APR. 8* 1939. LOWEST WATER LEVEL 64.03 BELOW LSD, JAN. 6, 1975. RECORDS AVAILABLE: 1939, 1952, 1975.

WATER WATER WATER WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

APR. 8. 1939 45. G FEB. Z8, 1952 62. G OCT. 23. 1952 54.31 JAN. 6. 1975 64.03

18S/5E-302 S. PERFORATED 76-96 FT. LSD 2725 FT ABOVE MSL.HIGHEST WATER LEVEL 60.21 BELOW LSD. JAN. 6, 1975. LOWEST WATER LEVEL 60.21 BELOW LSD, JAN. 6. 1975. RECORDS AVAILABLE: 1975.

WATER WATER WATER WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

JAN. 6. 1975 60.21

18S/5E-3M1 S. PERFORATED 63-83 FT. LSD 2660 FT ABOVE MSL.HIGHEST WATER LEVEL 22.00 BELOW LSD. » 1972. LOWEST WATER LEVEL 29.OS BELOW LSD* JAN. 7. 1975. RECORDS AVAILABLE: 1972, 1975.

WATE-* WATER WATER WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

1972 22. G JAN. 7. 1975 29.05

18S/5E-9K1 S. DEPTH 64.1 FT IN 1976. LSD 2590 FT AoOVE MSL. RECORDS AVAILABLE: 1976.

WATER WATER WATER WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

APR. 8* 1976 13.83A

31

Page 35: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

TABLE 5. Voter-level measurements in Dells Continued

16S/5E-12C1 S. OPEN HOLE 24-1*0 FT. LSD 2740 FT ABOVE MSL.HIGHEST WATER LEVEL 56.no BELOW Lsot MAY 20t iv66t LOWEST wATtR LEVEL 56.oo BELOW LSD» PAY 20t 1966. RECORDS AVAILABLE: 1966.

WATEW WATER WATER WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

MAY 20. 1966 56. 6

16S/5E-16H1 S. DEPTH 103 FT IN 19*1. LSD 2550 FT ABOVE MSL.HIGHEST WATER LEVEL FLOWING, JUNE 20t mi,LOWEST WATER LEVEL 33.<>0 BELOW LSD» AUG. 11, 1961. RECORDS AVAILABLE: 1941, 1961.

WATER WATER WATER WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

MAY 21, 1941 70. A JUNE 20, 1941 Q AUG. 11, 1961 33.9 G

18S/5E-16H2 S. DEPTH 97 FT IN 1957. LSD 2550 FT ABOVE MSL.HIGHEST WATER LEVEL 29.00 BELOW LSD, AUG. 11, 1961, LOWEST WATER LEVEL 29.00 BELOW LSD, AUG. 11, 1961. RECORDS AVAILABLE: 1961.

WATER WATER WATER WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

AUG. 11, 1961 29. G

18S/6E-3D1 S. DEPTH 85 FT IN 1972. LSD 3275 FT ABOVE MSL.HIGHEST WATER LEVEL 31.10 BELOW LSD, , 1972, LOWEST WATER LEVEL 32.75 BELOW LSD, JAN. 8, 1975. RECORDS AVAILABLE: 1972, 1975.

WATER WATER WATER WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

1972 31.1 G JAN. 8, 1975 32.75

18S/6E-4F1 S. PERFORATED 34-44t 65-75 FT. LSD 3180 FT ABOVE MSL.HIGHEST WATER LEVEL 12.00 BELOW LSD, JULY 11, 1974, LOWEST WATtR LEVEL 46.9? BELOW LSD, JAN. 7* 1975. RECORDS AVAILABLE: 1974-75.

WATER WATER WATER WATER DATE LEVEL DATE LEVEL DATE LEVEL DATE LEVEL

JULY 11, 1974 12. G JAN. 7, 1975 46.92

32

Page 36: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

TABLE 5. Water-level measurements in wells Continued

16S/6E-7C1 S. DEPTH 42.2 FT IN 1976.LSD 2910 FT ABOVE MSL.DRYt WATER LEVEL NOT MEASUREAbLE* APR. 6* 1976.RECORDS AVAILABLE: 1976.

APR.

DATE

6* 1976

WATER LEVEL

F

WATER DATE LEVEL

WATER DATE LEVEL

WATERDATE LEVEL

18S/6E-9B1 S. DEPTH 116 FT IN 1971. 110 FT IN 1975. LSD 3300 FT ABOVE MSL.HIGHEST WATER LEVEL 47.25 BELOW LSD» JAN. 7. 1975» LOWEST WATER LEVEL 48.00 8ELOW LSDt OCT. t 1971.RECORDS AVAILABLE: i97it 1975.

DATE

OCT. 1971

WATER LEVEL DATE

JAN. 7t 1975

WATER LEVEL DATE

WATER LEVEL DATE

WATER LEVEL

48. 47.25

33

Page 37: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

TABLE 6. --Pumping-test results

Time; Time of measurement, in minutes, after pump was started.

Static water level; Depth to water, in feet below or above (+) land- surface datum, prior to start of test.

Pumping water level; Depth to water, in feet below or above (+) land- surface datum, at end of test. Q means flowing above land surface.

Drawdown; Difference, in feet, between the static and pumping water levels.

Yield; Yield of the well, in gallons per minute, for drawdown indicated.

Specific capacity; Yield, in gallons per minute per foot of drawdown. In a fully efficient and fully penetrating well, specific capacity directly reflects aquifer transmissivity. A declining specific capacity, with time, indicates a deteriorating well condition with respect to hydraulic efficiency, such as plugged well perforations, well sanding, or a declining water level in the aquifer. An increasing specific capacity indicates continuing development of the aquifer near the well. For a given amount of available drawdown, a well with a large specific capacity will have a greater yield than a well with a smalJ. specific capacity.

STATE NUMBERSTATIC

DATE TI^E WATER LEVEL

( MIN) (FT)

PUMPING dATER DRAW LEVEL DOWN (FT) (FT)

SPECIFIC YIELD CAPACITY(GAL/ (GAL/ttlN/ MIN) FT OF DD)

16S/06E-26A01

16S/06E-26Q04

16S/06£.-33J02

16S/07E-18D02

16S/07E-20D01

S

S

S

S

S

07

07

08

03

72

08 74 360

02 74 360

02 74

07 b(i 300

5

28.0 61.0 33.0 12

42.0 105.0 63.0 5

7

25.0 6

.0

.0

.0

.8

.0

0.36

0.08

16S/07E-33N01 S 10 19 72

17S/05£-33R01 S 07 Ifa 74 360 39.0

17S/06E-01L02 S 73 21.3

17S/06E-10F02 S 09 14 72 75 7.1

17S/06E-11P01 S 72

6.0

53.0 14.0 20.0 1.43

68.1 61.0 2.5 0.04

40.0

17S/06E-11G01 S

17S/OOE-12M01 S

17S/06E-13M02 S

17S/06E-13N02 S

17S/06E-27A01 S

73

73

73

73

73

28.0

18.0

18.0

40.0

13. 0

10.0

8.0

12.0

10.0

6.0

34

Page 38: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

TABLE 6. Pumping test results--Continued

STATE NUMBER

17S/06E-27001 S

17S/06E-28J02 S

17S/06E-28J03 S

17S/06E-32H01 S

17S/06E-32H02 S

17S/06E-33R02 S

17S/06E-34H01 S

17S/06E-34N01 S

17S/06E-34N02 S

17S/06E-34N03 S

16S/05E-03D01 S

16S/05E-03D02 S

18S/05E-03M01 S

18S/05E-16H01 S

18S/05E-16H01 S

18S/06E-03001 S

18S/06E-04F01 S

OATE

73

73

72

04 15 3<y

72

72

09 15 72

04 08 39

72

09 14 72

04 06 39

72

72

05 21 41

06 20 41

72

07 11 74

STATICTIME WATER

LEVEL (MIN) (FT)

29.0

55.0

460.0

720 15.0

28.0

78 32.0

960 5.0

27.0

240 57.2

960 45.0

22.0

Q

180

360

PUMPING *ATER DRA*- YIELD LEVEL DOWN (GAI/ (FT) (FT) MDJ)

7.0

25.0

35.0

50.0 35.0 36.0

5.0

5.0

41.8 9.8 5.0

44.0 39.0 60.0

5.0

93.5 36.3 15.0

75.0 30.0 58.0

75.0

30.0

70.0 70.0 210.0

5.0

31.1 49.0 7.5

59.0 8.0

SPECIFIC CAPACITY(GAL/faTN/ FT OF DD)

1.03

0.51

1.54

0.41

1.90

3.00

0.15

0.14

18S/06E-09BQ1 S 72 5.0

35

Page 39: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

TABLE 7. Drillers' logs

THICK­ NESS (FEET)

16S/6E-2N1 S. DATE OF COMPLETION 1966, LSD 4355 FT ABOVE MSL, 6-5/8-INCH CASING 0-32 FT; PERFORATED 24-32 FTl OPEN HOLE 32-75 FT. DRILLED 3Y JIM FUGUAY.

16S/6E-26Q4 S. DATE OF COMPLETION 1974, LSD 4120 FT ABO»/E MSL, 6-5/6-INCH CASING 0-64 FTl PERFORATED 40-45, 55-60 FT. DRILLED BY TRUNNELL WELLS AND PUMPS.

16S/6E-33J2 S. DATE OF COMPLETION 1974, LSD 4195 FT ABOVE MSL, 6-5/d-INCH CASING 0-97 FT; PERFORATED 38-?8, 78-97 FT. GRAVEL SHOE INSTALLED ON BOTTOM OF CASING. DRILLED BY TRUNNELL WELLS AND PUMPS.

DEPTH

(FEET)

....................... 22

....................... 18

....................... 11

....................... 16

6PA

30485975

................ 2

................ 36

................ 1

................ 1

................ 15

................ 1

238394243585964

TOPSOIL......................................................................GRANITE, DECOMPOSED...........................................................GRANITE, WHITE................................................................ CREVICE WITH WATER...........................................................GRANITE, GRAY................................................................. FRACTURED AREA WITH INCREASE OF WATER*.......................................GRANITE, GRAY, WITH FRACTURES AT 118, 136, AND 150 FEETI NO APPARENT INCREASE IN WATER......................................................................

528121

341

120

53345468081

201

16S/7E-18D2 S. DATE OF COMPLETION 1974, LSD 4050 FT ABOVE MSL, 6-INCH CASING 0-s2 FT, 4-INCH PLASTIC LINER 0-295 FT* PERFORATED 95-120, 285-295 FT, DRILLED BY REX ANDERSON CO.

GRANITE, DECOMPOSED, SOFT..........GhANITE, DECOMPOSED, FIRr/..........GRANITE, DECOMPOSED, SOFT..........GRANITE ............................GRANITE, DECOhPOSED, SOFT (2 GPM).. GRANITE, DECOMPOSED, FIP"..........CLAY...............................GRANITE, DECOMPOSED, SOFT..........GRANITE, DECOMPOSED, FlRw..........GRANITE, DECOMPOSED, SOFT (5.8 GPM) GRANITE............................GRANITE, DECOMPOSED, SOFT..........GRANITE............................GRANITE, COARSE....................GRANITE............................

1924103556593

18188

763227

194353889399104113116134152160236268295

36

Page 40: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

TABLE 7. Drillers' logs Continued

16S/7E-20D1 S. DATE OF COMPLETION 1968, LSD 3965 FT ABOVE MSL, 6-1/2-INCHCASING; PERFORATIONS UNKNOWN. DRILLED BY j. FUGUAY.

THICK­ NESS (FEET)

DEHTh

(FEET)

GRANITE BOULDERS, LARGE. ............................... ..GRANITE. DECOMPOSED, AND TALC, MIXED. .....................GRANITE. DECOMPOSED, AND GRANITE BOULDERS, HARD, MIXED. .......... .

........... 15

........... 15

........... 23

1530OO

50 73

16S/7E-33N1 S. DATE OF COMPLETION 1966. LSD 3840 FT ABOVE MSL, 6-S/B-INChCASING 0-53 FT. DRILLED BY JIM FUGUAY.

Cfl

................... 14

CU

b7116130

17S/5E-33R1 S. DATE OF COMPLETION 1974. LSD 2805 FT ABOVE MSL, 6-5/8-INCH CASING 0-81 FT! PERFORATED 41-81 FT. DRILLED BY TRUNNELL WELLS AND PUMPS.

TOPSOIL..................GRANITE, DECOMPOSED, SOFT,SAND................GRANITE. DECOMPOSED,CLAY, BROWN................................................. GRANITE. DECOMPOSED. GRAY! FRACTURES AT 35. Bit 55. 66. 68. AND 76 FEET» ALL PRODUCING WATER FROM 51 FEET DOWN............................................

213841

53

232728

81

17S/6E-32H1 S. DATE OF COMPLETION 1939, LSD 3185 FT ABOVE MSL, 8-5/8-INCHCASING 0-50 FT; PERFORATED ia-4e FT. DRILLED BY ARTHUR A. KING.

SOIL. SANDY..,SAND..........GRANITE. SOFT, GRANITE. HARD.

18122010

18 3u 50 60

17S/6E-34N1 S. DATE OF COMPLETION 1939, LSD 3280 FT ABOVE MSL. 8-5/8-INCH CASING 0-54 FTI PERFORATED 10-52 FT. DRILLED BY ARTHUR A. KING.

SOIL, SANDY. AND FILL, GRANITE. DECOMPOSED.., GRANITE. HARD.........

28233

285154

18S/5E-3DI S. DATE OF COMPLETION 1939, LSD 2715 FT ABOVE MSL. 8-INCH CASING 0-102 FTI PERFORATED 46-100 FT. DRILLED BY ARTHUR A. KING.

SOIL. SANDY.., GRANITE. SOFT, GRANITE. HARD,

46562

46 102 l'J4

Page 41: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

TABLE 7. Drillers' logs Continued

18S/5E-12C1 S. DATE OF COMPLETION 1966, LSD 2740 FT ABOVE MSL, 7-INCHCASING o-24 FTI OPEN HOLE 24-1*0 FT. DRILLED t»v BURTS DRILLING co.

THICK- DEPTH NESS (FEET) (FEET)

GRANITE, WHITEI SEAM WITH WATER (i GPM> .......................GRANITE. . .....................................................

GRANITE, RED................ ..................................

GRANITE.......................................................

.................. 15

.................. 15

.................. 39

.................. 11

.................. 1................... 3.................. 1.................. 14.................. 2

2430*56099110111114115lay131140

18S/6E-4F1 S. DATE OF COMPLETION 1974, LSD 3180 FT ABOVE MSL, 6-S/8-INCH CASING 0-75 FTI PERFORATED 34-44, 65-75 FT. DRILLED BY THUNNELL WELLS AND PUMPS.

GRANITE, DECOMPOSED... SOIL, BLACK...........GRANITE...............'CREVICED WITH SURFACE GRANITE............................................................* FRACTURED..........................................................GRANITE.............................................................CREVICE.............................................................GRANITE, GRAY, WITH CREVICED AREAS AT 27, 36, 4i, so, 69, AND 73 FT.

e i315151

50

89

12131619242575

38

Page 42: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

TABLE 8.--Chemical analyses of water from surface-water sampling sites

[Results are shown in milligrams per liter (mg/L) except for iron and boron which are shown in micrograms per liter (ug/L), water tempera­ ture in degrees Celsius, specific conductance in micromhos per centimeter at 25°C, percent sodium > and pH]

Temperature SilicaIronCalciumMagnesium SodiumPotassiumBicarbonateCarbonateSulfateChlorideFluor id eNitrateSum of determined

constituentsHardness as CaC03 Noncarbonate hardnessPercent sodiumSpecific conductance pH Boron

Site I 1 (12-5-74)

13.0 34704715 422.1

272 9.8

33.4.18

318180

033

535 7.9

130

Site 2 2 (10-30-52)

6112 711.9

2748

66

.5

356202

043

675 8.4

110

Site 3 (10-24-52)

...378.4

462.2

1760..

54 .6

235127

044

466 8.2

90

^treamflow 0.20 ft 3/s. 2150 ft above dam.

39

Page 43: ITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL … · LA POSTA, AND MANZANITA INDIAN RESERVATIONS AND VICINITY, SAN DIEGO COUNTY, CALIFORNIA By W. R. Moyle, Jr., and D. J. Downing

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