2010-02-10_HYDROLOGY - M1978327

• Permit No: M1978327
• IBM Index Class Name: HYDROLOGY
• Doc Date: 2/10/2010
• 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
Kauffman #1 Pit 2010 Renewal
Jake Kauffman and Son, Inc.
Applegate
Group, Inc.
11/9/09
Job No. 05-149
Evaporative Losses

Month Percent of

Annual
Evaporation
(A) Gross Lake

Evaporation
(ft)
(B)

Precipitation
(in")-
(G'1' Effective

Precipitation
(ft)
(D) Net Lake

Evaporation
(ft)'
(E) Total Lake

Evaporation
(ac-ft)
(F)
Jan-10 •3.0% 0.10 0.5:1 0.03 0.07 0.41
Feb-10 3.5% 0.11 0.413 0.03 0.08 0.52
Mar-10 5.5% 0.17 1.41) 0.08 0.09 0.58
Apr-10 9.0% 0.29 1.65 0.10 0.19 1.19
May-10 12.0% 0.38 2.28 0.13 0.25 1.56
Jun-10 14.5% 0.46 1.91 0.11 0.35 2.19
Jul-10 15.0% 0.48 1.50 0.09 0.39 2.44
Aug-10 13.5% 0.43 1.313 0.08 0.35 2.19
Sep-10 10.0% 0.32 1.76 0.10 0.21 1.35
Oct-10 7.0% 0.22 0.713 0.05 0.18 1.11
Nov-10 4.0% 0.13 0.82 0.05 0.08 0.50
Dec-10 3.0% 0.10 0.28 0.02 0.08
Zc= 0.50

Gr
LEGEND:
(A) Percent of annual evaporation from SEO guidelines for elevations < 6,500 feet
(B) Gross lake evaporation, (B) = (A) * [gross annual evaporation/12] - Taken from NOAA Technical Report NWS 33
(C) Precipitation data from NCWCD Weather Station
(D) Effective precipitation, (D) = [(C)/12] * 70%
(E) Net lake evaporation, (E) = (B) - (D)
(F) Total lake evaporation, (F) = (E) * exposed surface area
Exposed Water Surface = 42.5 acres
Pre-1981 Water Surface = 36.2 acres
Net Lake Surface = 63: acres
Annual Precipitation = 14.75 in/yr
oss Annual Evaporation = 38 In/yr
N105149 Kauffman SSPAWater RightsWauffman #1 Pi112010 Renewal%Supply Demand for K-1 Pit 2010 11.04.09.)ds