2019-12-18_HYDROLOGY - M1998013

• Permit No: M1998013
• IBM Index Class Name: Hydrology
• Doc Date: 12/18/2019
• Doc Name: Substitute Water Supply Plan
• From: DWR
• To: DRMS
• Email Name: ECS
• Media Type: D
• Archive: No

Table 2
Shores Gravel Pit
Rural Ditch-Historic Consumptive Use Analysis
Precipitation measured at Longmont Station 2ESE(1967-1996 Data Set)
(all values in acre-feet)
(1) ) ) (4) (5) l) (7) P) (9) (1 Q) 01) (12) (13)
Month Pro-Bata Farm Available Potential Actual Historic Return Flows Total Historic Net Historic Net
River Headgate for Crop Consumptive Use Consumptive Use Irrigation Surface Deep Lagging Lagged Historic Stream Stream
Diversion Deliveries Consumption of Irrigation Excess Runoff Percolation Factors Deep Return Depletions Depletions
85% 55% Water 40% 60% Percolation Flows AI/Shares per share
January 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 6.22% 2.90 2.90 -2.90 -2.23
February 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 4.98% 2.32 2.32 -2.32 -1.78
March 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 4.89% 2.28 2.28 -2.28 -1.76
April 0.66 0.56 0.31 0.58 0.03 0.53 0.21 0.32 4.34% 2.02 2.24 -1.68 -1.29
May 16.53 14.05 7.73 4.53 3.87 10.17 4.07 6.10 4.90% 2.28 6.35 7.69 5.92
June 30.67 26.07 14.34 10.24 9.40 16.67 6.67 10.00 7.11% 3.31 9.98 16.09 12.38
July 51.05 43.39 23.87 16.83 16.08 27.31 10.92 16.39 10.98% 5.12 16.04 27.35 21.04
August 34.98 29.74 16.35 15.00 13.18 16.55 6.62 9.93 14.60% 6.81 13.43 16.31 12.55
September 12.49 10.62 5.84 7.85 4.92 5.70 2.28 3.42 13.89% 6.48 8.76 1.86 1.43
October 1.27 1.08 0.59 2.43 0.32 0.76 0.30 0.45 11.81% 5.50 5.81 -4.73 -3.64
November 0.00 0.00 0.00 0.04 0.00 0.00 0.00 0.00 8.88% 4.14 4.14 -4.14 -3.19
December 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 7.39% 3.45 3.45 -3.45 -2.65
Total 147.65 125.50 69.03 57.50 47.81 77.70 31.08 46.62 100% 46.62 77.70 47.81 36.78
(1)Equals Table 1,Rural Ditch Pro-Rata Diversions. V)Equals Column(6)times 40 percent.
(2)Equals Column(1)times 85 percent.Assumes 15 percent ditch loss. (8)Equals Column(6)times 50 percent.
(3)Equals Column(2)times 55 percent.Assumes 55 percent irrigation efficiency. (9)Based on SEu G lover caleulationslAVVAS Model:w=10,000',D=2,520 ft,T=73,200 gpdAt&S=0.2.
(4)Equals Table 3 monthly averages. (10)Equals the sum of Column(8)times the monthly values in Column(9).
(5)Minimum of Columns(4)and{5). (11)Equals Column V)plus Column(10).
(6)Equals Column(2)minus Column(5). (12)Equals Column(2)minus Column(11).
(13)Equals Column(12)divided by 1.3 shares.
Civil Resources,LLC 110I2017 J:W aIIIrwin-1051Water Resources\GradeI Pits Civil R es ou rc e s\S In ores SWSP-CiNI Resources12018 SWSP Re new al-sh ores\SWS P S no re s 2018.xIs