2010-02-22_HYDROLOGY - M1977522

• Permit No: M1977522
• IBM Index Class Name: HYDROLOGY
• Doc Date: 2/22/2010
• Doc Name: Substitute Water Supply Plan
• From: OSE
• To: Applegate Group, Inc.
• Permit Index Doc Type: Hydrology Report
• Email Name: ECS
• Media Type: D
• Archive: No

Table No.1
Star Ready Mix
Feit Pit (M-1977-522)
Evaporative Consumptive Use (aka Evap CU)
From Pond Surface
Date Revised: 9/15/2009
AG Job #: 04-157
Month Percent of
Annual

Evaporation
(A) Gross MAilt''
Evaporation

[in]
(B) Monthly
Precip

[inJ
(C) 1Aonf
CU Credit

[in]
(R) Monthly
Avg Temp

[°F] A t`
Evap

[In] ; Y' Evap
Cu
-'
[ac-ft]
(G),
November 4.0% 1.80 0.78 0.55 37.5 1.25 3.56
December 3.0% 1.35 0.41 0.29 29.4 ICE 0.00
January 3.0% 1.35 0.48 0.34 28.6 ICE 0.00
February 3.5% 1.58 0.37 0.26 33.5 1.32 3.74
March 5.5% 2.48 1.07 0.75 41.1 1.73 4.90
April 9.0% 4.05 1.79 1.25 49.4 2.80 7.95
May 12.0% 5.40 2.45 1.72 58.6 3.69 10.47
June 14.5% 6.53 1.90 1.33 68.1 5.20 14.76
July 15.0% 6.75 1.48 1.04 73.8 5.71 16.24
August 13.5% 6.08 1.15 0.81 71.7. 5.27 14.98
September 10.0% 4.50 1.11 0.78 63.0 3.72 10.58
October 7.0% 3.15 1.03 0.72 50.9 2.43 6.90
Total 100% 45.00 14.02 9.81 - 33.11 94.08
Gross Annual Evaporation = 45 inches per NOAA Technical Report NWS 33
Historical Consumptive Use Credit = 70% of monthly precipitation
Freezing Point of Water = 32 °F
WY 2010 Gross Exposed Water Surface = 40.2 acres within permit area
Pre-1981 Exposed Water Surface = 6.1 acres within permit area
WY 2010 Net Exposed Water Surface = 34.1 acres within permit area
Notes:
(A) Taken from General Guidelines forSubstitute Water Supply Plans forSand and Gravel Pits Submitted to the State Engineer for
elevations below 6500 ft MSL
(8) Gross monthly evaporation = (Gross Annual Evaporation) * (A)
(C) Monthly precipitation from GREELEY UNC, COLORADO (053553) weather station. Period of record is 1967 to 2005
(D) Monthly consumptive use credit = (Historical Consumptive Use Credit) * (C)
(E) Monthly average temperature from GREELEY UNC, COLORADO (053553) weather station. Period of record is 1967 to 2005
(F} Net evaporation = (4- 041f the mord*ajerage temperature is.greater ttaafreezing- Otherwiw-the pand:l ?+ tabe fromm
(G) Evap CU = (Exposed Water Surface Requiring Augmentation) * (E)/12
Applegate
Group, inc.
N:\04157 Felt Pit SSP\Disciplines (Tech nIcal)\Water Rights\2010 SWSP Renewal\Feit Pit 2010 SWSP.xlsx