sugar lands & sector plan,amend 1 rc-9-24-14 slide presentation

BUILDING STRONG® US ARMY CORPS OF ENGINEERS | Jacksonville District

Periodic Scientists Conference Call for Lake Okeechobee and Estuaries

Water Management Section Jacksonville District US Army Corps of Engineers September 23, 2014

BUILDING STRONG® US ARMY CORPS OF ENGINEERS | JACKSONVILLE DISTRICT

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Precipitation Outlook (23 Sep – 28 Sep)

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Precipitation Outlook (28 Sep – 02 Oct)

28 Sep – 02 Oct Outlook

30 Sep – 06 Oct Outlook

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Precipitation Outlook (Oct, OND)

October

Oct - Nov - Dec

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Lake Okeechobee Inflows/Outflows (22 September)

Total Inflows : 6,230 cfs • S-65E: 1,870 cfs; Fisheating Cr: 640 cfs • Istokpoga (S-71, S-72, S-84): 2,050 cfs • Others: 1,670 cfs

Total Outflows : 0 cfs • S-77: 0 cfs (S-79: 3,020 cfs) • S-308: 0 cfs (S-80: 660 cfs) • S-351, S-352, S-354: 0 cfs • L8: 0 cfs

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S-12s = 1,710

S-333 = 0

S-31 = 10

S-38 = 490

S-39 = 270

S-10s = 0

S-344 = 140

S-343s = 270

S-79 = 3,020

S-78 = 1,450 S-77 = 0 Other outflows = 0

S-11s = 1,470

S-308 = 0

S-80 = 660

Other inflows = 620

S-65E = 1,870

Istokpoga = 2,050

Pumps = 1,060

Fisheating Creek = 640

WCA-1, STAs* = 1,280

WCA-2A, STAs* = 4,520

WCA-3A, STAs* = 2,010

3A

2A

1

S-34* = 160

Current Conditions

23 September 2014, 0000 hrs LAKE OKEECHOBEE

Elevations are in feet, NGVD29 Flows are in average daily CFS

Structure Flows Total Inflow: 6,240 cfs

Total Outflow: 0 cfs

Target Outflows (7-day Avg.) S-79: 650 cfs

S-80: 0 cfs

*Discharge values are instantaneous at time of report

For more detailed information please see our SITREP: http://w3.saj.usace.army.mil/h2o/reports/r-sitrep.html

Area Stage Departure from Reg.

Trend (7-day)

WCA-1 17.18 ft -0.28’ Rising

WCA-2A 13.92 ft 1.09’ Rising

WCA-3A 10.51 ft 0.77’ Rising

Other Est. Net Gains (+)/Losses (-)

Direct Rain/ET/Others: 110 cfs

Stage 14.75 ft

All data is provisional and subject to change


C&SF System Status Update

S-151* = 500

http://w3.saj.usace.army.mil/h2o/reports/r-sitrep.html



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BUILDING STRONG® US ARMY CORPS OF ENGINEERS | Jacksonville District 8

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Lake Okeechobee Water Levels

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Elev

atio

n (fe

et, N

GVD

) Low

Base Flow

Beneficial Use

WATER SHORTAGE MANAGEMENT BAND

Feb Mar Apr Jun Jul Aug Sep Oct Nov Dec

CENTRAL AND SOUTHERN FLORIDA PROJECT

2008 LAKE OKEECHOBEE INTERIM REGULATION SCHEDULE

PART B

DATED: March 2008 DEPARTMENT OF THE ARMY, JACKSONVILLE DISTRICT

CORPS OF ENGINEERS, JACKSONVILLE, FLORIDA

NOTES: High Lake Management Band: Outlet canals may be maintained above their optimum water management elevations. Operational Band: Outlet canals should be maintained within their optimum water management elevations. Water Shortage Management Band: Outlet canals may be maintained below optimum water management elevations.

2011

2012

Jan May

Intermediate High

Lake Stage Within 1 ft. of Intermediate

OPERATIONAL BAND

HIGH LAKE MANAGEMENT BAND

Middle

Lower

Upper 2013

2014

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Conditions for Part D Chart (22 Sep)

14.72 ft, NGVD, Stage in Low Sub-Band Tributary Hydrologic Conditions Wet: LONIN

(4410 cfs) is wet and PDSI (-0.59) is Normal Seasonal Forecast: 2.13 ft (Very Wet) Multi-Seasonal Forecast : 4.28 ft (Wet) Current: 650 cfs @ S-79 and 0 cfs at S-80,

Started on 19 Sep 0700 hrs, ends on 26 Sep 0700 hrs

LORS Guidance: 3000 cfs @ S-79 and 1170 cfs at S-80

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2008 LORS-PART D, Allowable Releases to Tide (Estuaries) Flow Chart Guidance

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2008 LORS - Part C

Allowable Releases to Water Conservation Areas (South)

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Lake Okeechobee Statistics

Operations Meeting on September 23, 2014

Last Week

This Week

Current Lake Stage Feet NGVD 14.56 14.75

Current Zone Low Flow

Low Flow

NET Change in Stage Past Week Feet +0.06 +0.19

Change in Stage Past Month Feet +0.12 +0.22

Change in Stage Past Year Feet -0.92 -1.00

Relative to Historical Average This Date Feet 0.01 0.06

Relative to LORS (2008) Simulation Feet 1.07 1.12

Lake Inflow cfs 3024 6234

Lake Outflow cfs 172 0

Average Weekly Lake ET (corrected S77 & S308) 2300 1600

Rain Directly Over Lake Past Week Inches 1.2 2.27

*Data are provisional

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KCOL Hydrographs

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STA Operations (SFWMD)

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Lake Okeechobee Regulatory Releases sent to the STAs: May 1, 2014 through September 9, 2014,

approximately 163,900 acre-feet LORS 2008 recommends Lake Regulatory

Releases to the WCAs, if the conditions allow, the releases will be treated in STA-3/4 The District currently lacks infrastructure to

convey Lake Regulatory Releases to STA-5/6 designated inflow structures

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2800

3500

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4900

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Flow

(cfs

)

Inflow from Lake C-44 Basin RunoffInflow from C-24, C23, and Tenmile Creek Tidal Basin Inflow

Data provisional and subject to changeWeekly Average Inflow

Sept. 16, 2014 - Sept. 22, 2014Inflow from Lake 0 cfsC-44 Basin Inflow 523 cfsTenmile Creek 248 cfsC-23 344 cfsC-24 329 cfsTidal Basin Inflow 757 cfsTotal 2201 cfs

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Current Condition: • Salinity at US1 is currently in the good

range for oysters

• Flow averaged 523 cfs at S-80 over the past week.

• Total flows averaged 1282 cfs last month

Seven-Day Average Salinity

Sampling Site Surface Bottom Envelope

HR1 (N. Fork) 5.9 (7.6) 11.9 (11.8) NA

US1 Bridge

10.8 (12.4)

15.2 (13.5) 10-26

A1A Bridge

17.9 (21.3)

24.7 (25.3) NA

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S a

l i n

i t y

Seven day mean salinity of the water column at US1 Bridgein the St. Lucie Estuary

Data provisional and subject to change

Good = 10 - 26

Fair = <10 - 5 or >26 - 32

Poor = < 5 or > 32

Salinity Range for Oysters

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Flow

(cfs

)

Inflow from Lake C-43 Basin Inflow Tidal Basin Inflow* (downstream of S-79)

Weekly Average InflowSept. 16, 2014 - Sept. 22, 2014Inflow from Lake: 38 cfsC-43 Basin Inflow: 2183 cfsTidal Basin Inflow: 1202 cfsTotal : 3423 cfs

Data are provisional and subject to change

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Current Condition • Salinities are below 10 at

Cape Coral, but are in the good range for oysters at

Shell Point.

• Average flow at S-79 were 2221 cfs last week, and

2063

Seven-Day Average Salinity

Sampling Site Surface Bottom Envelope

S-79 0.2 (0.2) 0.2 (0.2) NA

Val I75 0.2 (0.2) 0.2 (0.2) 0-5

Ft. Myers 1.1 (1.4) 2.6 (1.7) NA

Cape Coral 6.3 (7.5) 9.0 (9.8) 10-30

Shell Point 19.3 (20.5) 21.2 (22.1) 10-30

Sanibel 27.1 (29.1) 28.6 (30.0) 10-30

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Salin

ity

Cape Coral Shell Point Sanibel

Data are provisional and subject to change

Good = 10 - 30

Fair = <10 - 5 or >30 - 35

Poor = < 5 or > 35

Salinity Range for Oysters

Seven-day mean salinity of the water column at 3 monitoring stations in the Caloosahatchee Estuary

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BUILDING STRONG® US ARMY CORPS OF ENGINEERS | Jacksonville District 24 http://www.sfwmd.gov/portal/pls/portal/portal_apps.repository_lib_pkg.repository_browse?p_k

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BUILDING STRONG® US ARMY CORPS OF ENGINEERS | Jacksonville District BUILDING STRONG® US ARMY CORPS OF ENGINEERS | Jacksonville District

Questions

Time for Team Input

THANK YOU

sugar lands & sector plan,amend 1 rc-9-24-14 slide presentation

Environment

cfsistokpoga s

outlet canals

cfs fisheating cr

cfstotal outflows

cfstarget outflows

septembertotal inflows

fisheating creek

average daily cfsstructure