Seven Oaks Irrigation System Analysis Report

NOVEMBER 2019

ATTACHMENT 1

SEVEN OAKS COUNTRY CLUB

Preliminary Estimate of Water Requirements ORIGINAL 18 HOLES Estimated Area:

133 ACRES

MONTH BASE RAIN RAIN AVG EVENT

RAIN

CROP SCHEDULING ADJUSTED AVE DAILY DAILY H20 DAILY H20 MONTHLY H20

ET (IN)

DAYS (INCHES)

(IN) 0.24 0.24 0.24 0.17 0.20 0.10 0.00 0.00 0.10 0.15 0.30 0.25

ALLOWANCE (IN) COEFFICIENT COEFFICIENT ET (IN)

ET (IN)

GAL/ACRE TOTAL GAL TOTAL GAL

JAN 1.20 FEB 2.20 MAR 3.70 APR 5.70 MAY 7.40 JUN 8.20 AUG 7.80 SEP 5.70 OCT 4.00 NOV 2.10 DEC 1.20 ANNUAL 57.90 JUL 8.70

5 5 5 3 1 1 1 1 1 2 2 4

1.20 1.20 1.20 0.50 0.20 0.10 0.00 0.00 0.10 0.30 0.60 1.00 6.40

0.36 0.36 0.36 0.15 0.06 0.03 0.00 0.00 0.03 0.09 0.18 0.30 1.92

0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70

1.20 1.20 1.20 1.20 1.20 1.20 1.20 1.20 1.20 1.20 1.20 1.20

0.71 1.55 2.81 4.66 6.17 6.86 7.31 6.55 4.76 3.28 1.61 0.76

0.023 0.055 0.091 0.155 0.199 0.229 0.236 0.211 0.159 0.106 0.054 0.024

624.5

83,059

2,574,814

1,493.5 198,636 5,561,794 2,471.0 328,643 10,187,933 4,208.9 559,784 16,793,511 5,403.6 718,679 22,279,043 6,218.3 827,034 24,811,017 6,408.3 852,304 26,421,421 5,729.5 762,024 23,622,729 4,317.5 574,228 17,226,825 2,878.3 382,814 11,867,231 1,466.3 195,018 5,850,537

651.7

86,676

2,686,959

47.02

169,883,813

Annual acre feet: 521.4

WEST COURSE Estimated Area:

100 ACRES

MONTH BASE RAIN RAIN AVG EVENT

RAIN

CROP SCHEDULING ADJUSTED AVE DAILY DAILY H20 DAILY H20 MONTHLY H20

ET (IN)

DAYS (INCHES)

(IN) 0.24 0.24 0.24 0.17 0.20 0.10 0.00 0.00 0.10 0.15 0.30 0.25

ALLOWANCE (IN) COEFFICIENT COEFFICIENT ET (IN)

ET (IN)

GAL/ACRE TOTAL GAL TOTAL GAL

JAN 1.20 FEB 2.20 MAR 3.70 APR 5.70 MAY 7.40 JUN 8.20 AUG 7.80 SEP 5.70 OCT 4.00 NOV 2.10 DEC 1.20 ANNUAL 57.90 JUL 8.70

5 5 5 3 1 1 1 1 1 2 2 4

1.20 1.20 1.20 0.50 0.20 0.10 0.00 0.00 0.10 0.30 0.60 1.00 6.40

0.36 0.36 0.36 0.15 0.06 0.03 0.00 0.00 0.03 0.09 0.18 0.30 1.92

0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70 0.70

1.20 1.20 1.20 1.20 1.20 1.20 1.20 1.20 1.20 1.20 1.20 1.20

0.71 1.55 2.81 4.66 6.17 6.86 7.31 6.55 4.76 3.28 1.61 0.76

0.023 0.055 0.091 0.155 0.199 0.229 0.236 0.211 0.159 0.106 0.054 0.024

624.5

62,450

1,935,950

1,493.5 149,350 4,181,800 2,471.0 247,100 7,660,100 4,208.9 420,890 12,626,700 5,403.6 540,360 16,751,160 6,218.3 621,830 18,654,900 6,408.3 640,830 19,865,730 5,729.5 572,950 17,761,450 4,317.5 431,750 12,952,500 2,878.3 287,830 8,922,730 1,466.3 146,630 4,398,900

651.7

65,170

2,020,270

47.02

127,732,190

Annual acre feet: 392.0

ET = Evapotranspiration Rate measured in inches. Based on weather data for Bakersfield from UC Publications. Average rainfall and rain days from Weatherbase.com Rainfall allowance = 30%

Water Reqmt-Bakersfield.xls

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