2011-05-11_HYDROLOGY - M2001085

• Permit No: M2001085
• IBM Index Class Name: HYDROLOGY
• Doc Date: 5/11/2011
• Doc Name: Substitute Water Supply Plan
• From: OSE
• To: Martin and Wood Water Consultants, Inc.
• Permit Index Doc Type: Hydrology Report
• Email Name: DB2
• Media Type: D
• Archive: No

TABLE 1
GSL SAND AND GRAVEL MINE
MONTHLY NET EVAPORATION
(1) (2) (3l /di I.N
___ tai lol
PERCENT OF
ANNUAL NORMAL EFFECTIVE
GROSS GROSS PRECIPITATION PRECIPITATION NET NET
MONTH EVAPORATION EVAPORATION (DENVER STAPLETON) (@ 70%) EVAPORATION EVAPORATION
(°A) (INCHES) (INCHES) (INCHES) (INCHES) (FEET)
JAN 3.0 1,35 0.50 0.35 1.00 0
08
FEB 3.5 1.58 0.57 0.40 1.18 .
0
10
MAR 5.5 2.48 1.28 0.90 1.58 .
0
13
APR 9.0 4.05 1.71 1.20 2.85 .
0
24
MAY 12.0 5.40 2.40 1.68 3.72 .
0
31
JUN 14.5 6.53 1.79 1.25 5.28 .
0
44
JUL 15.0 6.75 1.91 1.34 5.41 ,
0
45
AUG 13.5 6.08 1.51 1.06 5.02 .
0
42
SEP 10.0 4.50 1.24 0.87 3.63 .
0
30
OCT 7.0 3.15 0.96 0.69 2.46 .
0
21
NOV 4.0 1.80 0,87 0.61 1.19 .
0
10
DEC 3.0 1.35 0.64 0.45 0.90 .
0
08
TOTAL 100.00 45.02 15.40 10.80 34,22 .
2,86
NOTES: (1) FROM SEO 05111/99 FOR ELEVATIONS UNDER 6,500 FEET
(2) PERCENT OF ANNUAL GROSS EVAPORATION MULTIPLIED BY 45.00 INCHES
(3) FROM DENVER STAPLETON STATION
(4) EFFECTIVE PRECIPITATION = (NORMAL PRECIPITATION, COLUMN 3)' (701/0)
(5) NET EVAPORATION = (GROSS EVAPORATION, COLUMN 2) - (EFFECTIVE PRECIPITATION, COLUMN 4)
(6) NET EVAPORATION (FEET) = (NET EVAPORATION (INCHES), COLUMN 5) / 12