irrigation efficiency for southern california · year totals 8100 46.2 52.4 82.6 158 acre feet =...
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![Page 1: Irrigation Efficiency for Southern California · Year Totals 8100 46.2 52.4 82.6 158 Acre Feet = 18.6 irrigated acreage does not include outbuildings, roads, or landscaping Gallons](https://reader033.vdocument.in/reader033/viewer/2022051512/603846cd899e1670d1137d6a/html5/thumbnails/1.jpg)
Irrigation Efficiency for Southern California
![Page 2: Irrigation Efficiency for Southern California · Year Totals 8100 46.2 52.4 82.6 158 Acre Feet = 18.6 irrigated acreage does not include outbuildings, roads, or landscaping Gallons](https://reader033.vdocument.in/reader033/viewer/2022051512/603846cd899e1670d1137d6a/html5/thumbnails/2.jpg)
Year Totals 8100 46.2 52.4 82.6 158 Acre Feet = 18.6 irrigated acreage does not include outbuildings, roads, or landscaping
Gallons = 6058800 Irrigated Acres = 2.7.
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Year Totals 6725 46.2 52.4 68.6 131 Acre Feet = 15.4 irrigated acreage does not include outbuildings, roads, or landscaping
Gallons = 5030300 Irrigated Acres = 2.7.
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Year Totals 6900 46.2 52.4 70.4 134 Acre Feet = 15.8 irrigated acreage does not include outbuildings, roads, or landscaping
Gallons = 5161200 Irrigated Acres = 2.7.
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Year Totals 7602 46.2 52.4 77.6 148 Acre Feet = 17.5 irrigated acreage does not include outbuildings, roads, or landscaping
Gallons = 5686296 Irrigated Acres = 2.7.
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![Page 6: Irrigation Efficiency for Southern California · Year Totals 8100 46.2 52.4 82.6 158 Acre Feet = 18.6 irrigated acreage does not include outbuildings, roads, or landscaping Gallons](https://reader033.vdocument.in/reader033/viewer/2022051512/603846cd899e1670d1137d6a/html5/thumbnails/6.jpg)
Irrigation Efficiency
![Page 7: Irrigation Efficiency for Southern California · Year Totals 8100 46.2 52.4 82.6 158 Acre Feet = 18.6 irrigated acreage does not include outbuildings, roads, or landscaping Gallons](https://reader033.vdocument.in/reader033/viewer/2022051512/603846cd899e1670d1137d6a/html5/thumbnails/7.jpg)
Irrigation Efficiency
Irrigation System Efficiency
![Page 8: Irrigation Efficiency for Southern California · Year Totals 8100 46.2 52.4 82.6 158 Acre Feet = 18.6 irrigated acreage does not include outbuildings, roads, or landscaping Gallons](https://reader033.vdocument.in/reader033/viewer/2022051512/603846cd899e1670d1137d6a/html5/thumbnails/8.jpg)
Irrigation Efficiency
Irrigation System Efficiency
Efficient Water
Management
![Page 9: Irrigation Efficiency for Southern California · Year Totals 8100 46.2 52.4 82.6 158 Acre Feet = 18.6 irrigated acreage does not include outbuildings, roads, or landscaping Gallons](https://reader033.vdocument.in/reader033/viewer/2022051512/603846cd899e1670d1137d6a/html5/thumbnails/9.jpg)
Irrigation Efficiency
Irrigation System Efficiency
Efficient Water
Management
![Page 10: Irrigation Efficiency for Southern California · Year Totals 8100 46.2 52.4 82.6 158 Acre Feet = 18.6 irrigated acreage does not include outbuildings, roads, or landscaping Gallons](https://reader033.vdocument.in/reader033/viewer/2022051512/603846cd899e1670d1137d6a/html5/thumbnails/10.jpg)
Irrigation System EfficiencyDistribution Uniformity
System Operating At High Level of Efficiency
![Page 11: Irrigation Efficiency for Southern California · Year Totals 8100 46.2 52.4 82.6 158 Acre Feet = 18.6 irrigated acreage does not include outbuildings, roads, or landscaping Gallons](https://reader033.vdocument.in/reader033/viewer/2022051512/603846cd899e1670d1137d6a/html5/thumbnails/11.jpg)
Irrigation System EfficiencyDistribution Uniformity
System Operating At High Level of Efficiency
![Page 12: Irrigation Efficiency for Southern California · Year Totals 8100 46.2 52.4 82.6 158 Acre Feet = 18.6 irrigated acreage does not include outbuildings, roads, or landscaping Gallons](https://reader033.vdocument.in/reader033/viewer/2022051512/603846cd899e1670d1137d6a/html5/thumbnails/12.jpg)
Irrigation System EfficiencyDistribution Uniformity
System Operating At High Level of Efficiency
![Page 13: Irrigation Efficiency for Southern California · Year Totals 8100 46.2 52.4 82.6 158 Acre Feet = 18.6 irrigated acreage does not include outbuildings, roads, or landscaping Gallons](https://reader033.vdocument.in/reader033/viewer/2022051512/603846cd899e1670d1137d6a/html5/thumbnails/13.jpg)
Irrigation System EfficiencyDistribution Uniformity
System Operating At High Level of Efficiency
![Page 14: Irrigation Efficiency for Southern California · Year Totals 8100 46.2 52.4 82.6 158 Acre Feet = 18.6 irrigated acreage does not include outbuildings, roads, or landscaping Gallons](https://reader033.vdocument.in/reader033/viewer/2022051512/603846cd899e1670d1137d6a/html5/thumbnails/14.jpg)
Irrigation System EfficiencyDistribution Uniformity
System Operating At Low Level of Efficiency
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Irrigation System EfficiencyImportance of Distribution Uniformity
![Page 16: Irrigation Efficiency for Southern California · Year Totals 8100 46.2 52.4 82.6 158 Acre Feet = 18.6 irrigated acreage does not include outbuildings, roads, or landscaping Gallons](https://reader033.vdocument.in/reader033/viewer/2022051512/603846cd899e1670d1137d6a/html5/thumbnails/16.jpg)
Irrigation System EfficiencyImportance of Distribution Uniformity
![Page 17: Irrigation Efficiency for Southern California · Year Totals 8100 46.2 52.4 82.6 158 Acre Feet = 18.6 irrigated acreage does not include outbuildings, roads, or landscaping Gallons](https://reader033.vdocument.in/reader033/viewer/2022051512/603846cd899e1670d1137d6a/html5/thumbnails/17.jpg)
Irrigation System EfficiencyDistribution Uniformity
System Operating At High Level of Efficiency
![Page 18: Irrigation Efficiency for Southern California · Year Totals 8100 46.2 52.4 82.6 158 Acre Feet = 18.6 irrigated acreage does not include outbuildings, roads, or landscaping Gallons](https://reader033.vdocument.in/reader033/viewer/2022051512/603846cd899e1670d1137d6a/html5/thumbnails/18.jpg)
Irrigation System EfficiencyImportance of Distribution Uniformity
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Importance of Distribution Uniformity W ater B udget Analysis - Avocados
System E U 60% C ost P er U n it: $1.91T rees Per Acre 109 P um p Zone 2C IM IS S tation: T em ecula Per U n it: 0.17
W ater U nit: 748 G allons M eter S ize 2D istric t V C M W D S tand By C harge /M onth : $75.00
W ater M onth ly E ffective T ota l C ost C ost D ate U n its E T c R ain fa ll per M onth per T ree
Jan-06 551 0.80 $1,223.19 $1.12Feb-06 976 1.42 $2,108.46 $1.93M ar-06 1155 1.68 $2,483.15 $2.28A pr-06 1805 2.62 $3,836.20 $3.52M ay-06 2629 3.81 $5,554.75 $5.10Jun-06 3104 4.50 $6,545.19 $6.00Ju l-06 3259 4.73 $6,867.29 $6.30
A ug-06 2902 4.21 $6,123.81 $5.62S ep-06 2232 3.24 $4,727.22 $4.34O ct-06 1359 1.97 $2,906.68 $2.67N ov-06 946 1.37 $2,045.68 $1.88D ec-06 620 0.90 $1,368.00 $1.26
Leach ing 14% Year T o ta ls = 21539 31.2 0 .0 $45,789 .60 $42.01 A cre F eet = 49 .4 G allons = 16110952 Irrigated A cres = 10.0
irrigated acreage does not inc lude roads, outbu ild ings, landscape, e tc .
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Importance of Distribution Uniformity W ater Budget Analysis - Avocados
System EU 85% Cost Per U nit: $1.91T rees Per Acre 109 Pum p Zone 2CIM IS Station: T em ecula Per U nit: 0.17
W ater Unit: 748 G allons Meter S ize 2Distric t VCM W D Stand By C harge/M onth: $75.00
W ater M onth ly E ffective Tota l Cost Cost Date Units ETc Rainfa ll per M onth per T ree
Jan-06 389 0.80 $885.48 $0.81Feb-06 689 1.42 $1,510.39 $1.39M ar-06 816 1.68 $1,774.87 $1.63Apr-06 1274 2.62 $2,729.97 $2.50M ay-06 1856 3.81 $3,943.06 $3.62Jun-06 2191 4.50 $4,642.19 $4.26Jul-06 2300 4.73 $4,869.56 $4.47
Aug-06 2049 4.21 $4,344.75 $3.99Sep-06 1576 3.24 $3,358.92 $3.08O ct-06 959 1.97 $2,073.83 $1.90Nov-06 667 1.37 $1,466.07 $1.35Dec-06 438 0.90 $987.71 $0.91
Leaching 14% Year T otals = 15204 31.2 0.0 $32,586.78 $29.90 Acre Feet = 34.9 G allons = 11372468 Irrigated Acres = 10.0
irrigated acreage does not include roads, outbuild ings, landscape, etc.
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Irrigation System EfficiencyDistribution Uniformity
System Operating At High Level of Efficiency
![Page 22: Irrigation Efficiency for Southern California · Year Totals 8100 46.2 52.4 82.6 158 Acre Feet = 18.6 irrigated acreage does not include outbuildings, roads, or landscaping Gallons](https://reader033.vdocument.in/reader033/viewer/2022051512/603846cd899e1670d1137d6a/html5/thumbnails/22.jpg)
Irrigation System EfficiencyImportance of Distribution Uniformity
![Page 23: Irrigation Efficiency for Southern California · Year Totals 8100 46.2 52.4 82.6 158 Acre Feet = 18.6 irrigated acreage does not include outbuildings, roads, or landscaping Gallons](https://reader033.vdocument.in/reader033/viewer/2022051512/603846cd899e1670d1137d6a/html5/thumbnails/23.jpg)
Irrigation System EfficiencyDistribution Uniformity
System Operating At Low Level of Efficiency
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Irrigation System EfficiencyImportance of Distribution Uniformity
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Common Maintenance Problems Easy Ways to Raise DU
• Repair Leaks
• Replace Plugged Equipment
• Choose the correct sprinklers
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Common Design ProblemsNot as Easy Ways to Raise DU
• Lack of Pressure Regulation
• Matching Precipitation Rates
• Exceeding Design Capacity
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Common Design ProblemsLack of Pressure Regulation
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Common Design ProblemsLack of Pressure Regulation
100’
20 psi
63 psi
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Common Design ProblemsLack of Pressure Regulation
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Common Design ProblemsLack of Pressure Regulation
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Common Design ProblemsLack of Pressure Regulation
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Common Design ProblemsLack of Pressure Regulation
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Common Design ProblemsNot as Easy Ways to Raise DU
• Lack of Pressure Regulation
• Matching Precipitation Rates
• Exceeding Design Capacity
![Page 34: Irrigation Efficiency for Southern California · Year Totals 8100 46.2 52.4 82.6 158 Acre Feet = 18.6 irrigated acreage does not include outbuildings, roads, or landscaping Gallons](https://reader033.vdocument.in/reader033/viewer/2022051512/603846cd899e1670d1137d6a/html5/thumbnails/34.jpg)
Common Design ProblemsMatching Precipitation Rates
30 gph
10 gph20 gph
60 gph
40 gph
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Common Design ProblemsNot as Easy Ways to Raise DU
• Lack of Pressure Regulation
• Matching Precipitation Rates
• Exceeding Design Capacity
![Page 36: Irrigation Efficiency for Southern California · Year Totals 8100 46.2 52.4 82.6 158 Acre Feet = 18.6 irrigated acreage does not include outbuildings, roads, or landscaping Gallons](https://reader033.vdocument.in/reader033/viewer/2022051512/603846cd899e1670d1137d6a/html5/thumbnails/36.jpg)
Common Design ProblemsDesign Capacity: Water Source
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Common Design ProblemsDesign Capacity: Water Source
1” Water Meter = 50 GPM
X X X X X X
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48 Sprinklers @ 1.5 GPM each = 72 GPM
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Common Design ProblemsDesign Capacity: Water Source
1” Water Meter = 50 GPM
X X X X X X
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48 Sprinklers @ 1.5 GPM each = 72 GPM
72 GPM > 50 GPM
Demand Exceeds Capacity of Water Source
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Common Design ProblemsDesign Capacity: Water Source
1 ½ ” Water Meter = 100 GPM
X X X X X X
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48 Sprinklers @ 1.5 GPM each = 72 GPM
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Common Design ProblemsDesign Capacity: Water Source
1 ½ ” Water Meter = 100 GPM
X X X X X X
X X X X X X
X X X X X X
X X X X X X
X X X X X X
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48 Sprinklers @ 1.5 GPM each = 72 GPM
72 GPM < 100 GPM
Demand Below Capacity of Water Source
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Common Design ProblemsDesign Capacity: Water Source
1 ½ ” Water Meter = 100 GPM
X X X X X X
X X X X X X
X X X X X X
X X X X X X
X X X X X X
X X X X X X
X X X X X X
X X X X X X
48 Sprinklers @ 1.5 GPM each = 72 GPM
72 GPM < 100 GPM
Demand Below Capacity of Water Source
![Page 42: Irrigation Efficiency for Southern California · Year Totals 8100 46.2 52.4 82.6 158 Acre Feet = 18.6 irrigated acreage does not include outbuildings, roads, or landscaping Gallons](https://reader033.vdocument.in/reader033/viewer/2022051512/603846cd899e1670d1137d6a/html5/thumbnails/42.jpg)
Common Design ProblemsDesign Capacity: Water Source
1” Water Meter = 50 GPM
X X X X X X
X X X X X X
X X X X X X
X X X X X X
X X X X X X
X X X X X X
X X X X X X
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24 Sprinklers @ 1.5 GPM each = 36 GPM
24 Sprinklers @ 1.5 GPM each = 36 GPM
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Common Design ProblemsDesign Capacity: Water Source
1” Water Meter = 50 GPM
X X X X X X
X X X X X X
X X X X X X
X X X X X X
X X X X X X
X X X X X X
X X X X X X
X X X X X X
24 Sprinklers @ 1.5 GPM each = 36 GPM
24 Sprinklers @ 1.5 GPM each = 36 GPM
36 GPM < 50 GPM
Demand Below Capacity of Water Source
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Common Design ProblemsDesign Capacity: Water Source
1” Water Meter = 50 GPM
X X X X X X
X X X X X X
X X X X X X
X X X X X X
X X X X X X
X X X X X X
X X X X X X
X X X X X X
48 Sprinklers @ 1.5 GPM each = 72 GPM
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Common Design ProblemsDesign Capacity: Water Source
1” Water Meter = 50 GPM
X X X X X X
X X X X X X
X X X X X X
X X X X X X
X X X X X X
X X X X X X
X X X X X X
X X X X X X
48 Sprinklers @ 1 GPM each = 48 GPM
![Page 46: Irrigation Efficiency for Southern California · Year Totals 8100 46.2 52.4 82.6 158 Acre Feet = 18.6 irrigated acreage does not include outbuildings, roads, or landscaping Gallons](https://reader033.vdocument.in/reader033/viewer/2022051512/603846cd899e1670d1137d6a/html5/thumbnails/46.jpg)
Common Design ProblemsDesign Capacity: Water Source
1” Water Meter = 50 GPM
X X X X X X
X X X X X X
X X X X X X
X X X X X X
X X X X X X
X X X X X X
X X X X X X
X X X X X X
48 Sprinklers @ 1 GPM each = 48 GPM
48 GPM < 50 GPM
Demand Below Capacity of Water Source
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Common Design ProblemsDesign Capacity: Piping Material
½” Poly Tube
Total Capacity = 2 GPM
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Common Design ProblemsDesign Capacity: Piping Material
½” Poly Tube
Total Capacity = 2 GPM
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Irrigation System EfficiencyDistribution Uniformity
System Operating At Low Level of Efficiency
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Irrigation System EfficiencyImportance of Distribution Uniformity
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Irrigation System EfficiencyDistribution Uniformity
System Operating At High Level of Efficiency
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Irrigation System EfficiencyImportance of Distribution Uniformity
![Page 53: Irrigation Efficiency for Southern California · Year Totals 8100 46.2 52.4 82.6 158 Acre Feet = 18.6 irrigated acreage does not include outbuildings, roads, or landscaping Gallons](https://reader033.vdocument.in/reader033/viewer/2022051512/603846cd899e1670d1137d6a/html5/thumbnails/53.jpg)
Irrigation Efficiency
Irrigation System Efficiency
Efficient Water
Management
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Irrigation Efficiency
Irrigation System Efficiency
Efficient Water
Management
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Efficient Water Management Soil Reservoir as Cup of Water
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Efficient Water Management Soil Reservoir as Cup of Water
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Efficient Water Management Soil Reservoir as Cup of Water
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Efficient Water Management Soil Reservoir as Cup of Water
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Efficient Water Management Soil Reservoir as Cup of Water
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Efficient Water Management Soil Reservoir as Cup of Water
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Efficient Water Management Soil Reservoir as Cup of Water
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Efficient Water Management Soil Reservoir as Cup of Water
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Efficient Water Management Soil Reservoir as Cup of Water
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Efficient Water Management Soil Reservoir as Cup of Water
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Efficient Water Management Soil Reservoir as Cup of Water
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Efficient Water Management Soil Reservoir as Cup of Water
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Efficient Water Management Soil Reservoir as Cup of Water
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Efficient Water Management When and For How Long do I Irrigate?
• Need to know 4 things:
• How much water does my cup (soil reservoir) hold?
• How fast am I losing that water? • How much water can be removed from my cup
(soil reservoir) before I need to refill it?• How long will it take my sprinklers to refill it?
![Page 69: Irrigation Efficiency for Southern California · Year Totals 8100 46.2 52.4 82.6 158 Acre Feet = 18.6 irrigated acreage does not include outbuildings, roads, or landscaping Gallons](https://reader033.vdocument.in/reader033/viewer/2022051512/603846cd899e1670d1137d6a/html5/thumbnails/69.jpg)
Efficient Water ManagementHow Much Water Does My Soil Reservoir Hold?
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Efficient Water ManagementHow Much Water Does My Soil Reservoir Hold?
![Page 71: Irrigation Efficiency for Southern California · Year Totals 8100 46.2 52.4 82.6 158 Acre Feet = 18.6 irrigated acreage does not include outbuildings, roads, or landscaping Gallons](https://reader033.vdocument.in/reader033/viewer/2022051512/603846cd899e1670d1137d6a/html5/thumbnails/71.jpg)
Efficient Water Management How Much Water Does My Soil Reservoir Hold?
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Efficient Water Management When and For How Long do I Irrigate?
• Need to know 4 things:
• How much water does my cup (soil reservoir) hold?
• How fast am I losing that water? • How much water can be removed from my cup
(soil reservoir) before I need to refill it?• How long will it take my sprinklers to refill it?
![Page 73: Irrigation Efficiency for Southern California · Year Totals 8100 46.2 52.4 82.6 158 Acre Feet = 18.6 irrigated acreage does not include outbuildings, roads, or landscaping Gallons](https://reader033.vdocument.in/reader033/viewer/2022051512/603846cd899e1670d1137d6a/html5/thumbnails/73.jpg)
Efficient Water Management How Fast is Water Being Used by the Crop and
Evaporated by the Sun’s Heat http://wwwcimis.water.ca.gov/cimis/welcome.jsp
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Efficient Water Management How Fast is Water Being Used by the Crop and
Evaporated by the Sun’s Heat
http://wwwcimis.water.ca.gov/cimis/welcome.jsp
Stn Id Station Date CIMIS ETo (in) Precip (in)62 Temecula 7/10/2007 0.16 062 Temecula 7/11/2007 0.2 062 Temecula 7/12/2007 0.22 062 Temecula 7/13/2007 0.24 062 Temecula 7/14/2007 0.19 062 Temecula 7/15/2007 0.2 062 Temecula 7/16/2007 0.19 0
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Efficient Water Management When and For How Long do I Irrigate?
• Need to know 4 things:
• How much water does my cup (soil reservoir) hold?
• How fast am I losing that water? • How much water can be removed from my cup
(soil reservoir) before I need to refill it?• How long will it take my sprinklers to refill it?
![Page 76: Irrigation Efficiency for Southern California · Year Totals 8100 46.2 52.4 82.6 158 Acre Feet = 18.6 irrigated acreage does not include outbuildings, roads, or landscaping Gallons](https://reader033.vdocument.in/reader033/viewer/2022051512/603846cd899e1670d1137d6a/html5/thumbnails/76.jpg)
Efficient Water Management How much water can be removed from the soil reservoir
before I need to refill it?
» Avocados - at 30% depletion
» Citrus – at 50% depletion
» Nursery crops – variable (50%)
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Efficient Water Management When and For How Long do I Irrigate?
• Need to know 4 things:
• How much water does my cup (soil reservoir) hold?
• How fast am I losing that water? • How much water can be removed from my cup
(soil reservoir) before I need to refill it?• How long will it take my sprinklers to refill it?
![Page 78: Irrigation Efficiency for Southern California · Year Totals 8100 46.2 52.4 82.6 158 Acre Feet = 18.6 irrigated acreage does not include outbuildings, roads, or landscaping Gallons](https://reader033.vdocument.in/reader033/viewer/2022051512/603846cd899e1670d1137d6a/html5/thumbnails/78.jpg)
Efficient Water Management How Long Will My Sprinklers Take to Refill It?
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Efficient Water Management When and For How Long do I Irrigate?
• Need to know 4 things:
• How much water does my cup (soil reservoir) hold?
• How fast am I losing that water? • How much water can be removed from my cup
(soil reservoir) before I need to refill it?• How long will it take my sprinklers to refill it?
![Page 80: Irrigation Efficiency for Southern California · Year Totals 8100 46.2 52.4 82.6 158 Acre Feet = 18.6 irrigated acreage does not include outbuildings, roads, or landscaping Gallons](https://reader033.vdocument.in/reader033/viewer/2022051512/603846cd899e1670d1137d6a/html5/thumbnails/80.jpg)
Riverside County (3 labs in county)
East County/High Desert (760) 347-7658
West County (909) 683-7691 http://www.rcrcd.com/
South East County (909) 654-7733
http://wwwcimis.water.ca.gov/cimis/infoIrrSchedule.jsp