2009-04-29_HYDROLOGY - M2001001

• Permit No: M2001001
• IBM Index Class Name: HYDROLOGY
• Doc Date: 4/29/2009
• Doc Name: Substitute Water Supply Plan
• From: OSE
• To: Applegate Group, Inc.
• Permit Index Doc Type: Hydrology Report
• Email Name: WHE
• Media Type: D
• Archive: No

Table i
McStone Aggregates, LLC
Line Camp Pit
2009 Evaporative Losses
Applegate
Group, inc.
February 12, 2009
Job No. 07-136
Month Percent of
Annual
Evaporation
(A)
Gross Lake
Evaporation (ft)
(B)
Precipitation
(in)
(C ) Effective
Precipitation
(ft)
(D) Net Lake
Evaporation
(ft)
(E) Total Lake
Evaporation
(ft)
(F)
Jan 1.0% 0.04 1.69 0.10 0.00 0.00
Feb 3.0% 0.11 1.80 0.10 0.00 0.01
Mar 6.0% 0.22 2.16 0.13 0.09 0.37
Apr 9.0% 0.32 1.24 0.07 0.25 1.04
May 12.5% 0.45 1.27 0.07 0.37 1.55
June 15.5% 0.56 0.85 0.05 0.51 2.09
Jul 16.0% 0.57 1.96 0.11 0.46 1.90
Au 13.0% 0.47 2.16 0.13 0.34 1.41
Set 11.0% 0.39 1.75 0.10 0.29 1.21
Oct 7.5% 0.27 1.51 0.09 0.18 0.75
Nov 4.0% 0.14 1.56 0.09 0.05 0.22
Dec 1.5% 0.05 1.28 0.07 0.00 0.00
Total 1000/0 3.58 19.24 1.12 2.54 10.54
Net Lake Surface = 4.14 acres
Annual Precipitation = 19.24 in/yr
Gross Annual Evaporation = 43 ]in/yr
LEGEND:
(A) Percent of annual evaporation from SEO guidelines for elevations > 6,500 feet
(B) Gross lake evaporation, (B) = (A) * [gross annual evaporation/12] - From NOAA Technical Report NWS 33
(C) Precipitation data is an average from Cortez & Rico Weather Stations (1975-2001)
(D) Effective precipitation, (D) = [(C)/12] * 70%
(E) Net lake evaporation, (E) = (B) - (D)