2015-05-14_HYDROLOGY - M1977151

• Permit No: M1977151
• IBM Index Class Name: HYDROLOGY
• Doc Date: 5/14/2015
• Doc Name Note: 4/1/2015-3/31/2016
• Doc Name: Substitute Water Supply Plan - Approval Period 4/1/2015-3/31/2016
• From: DNR Water Resources
• To: DRMS
• Email Name: PSH
• Media Type: D
• Archive: No

Table No. 1 Applegate
R.M. Hiner Construction Co., Inc.
Greeley Pit (M-1977-151) rro*Group, Inc.
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
Current Net Acreage Exposed = 31.6 acres
Evaporative Consumptive Use (aka Evap CU)
From Pond Surface
Date Revised: 3/20/2015
AG Job #: 09-131
Month'
Net Exposed
Area
[ac]
(A)
Percent of
Annual
Evaporation
(B)
Gross Monthly
Evaporation
[in]
(C)
Monthly
Precip
[in]
(D)
Monthly
CU Credit
[in]
(E)
Monthly
Avg Temp
[°F]
(F)
Net
Evap
[in]
(G)
Evap
CU
[ac -ft]
(M)
Apr -15
31.6
9.0%
4.05
1.79
1.25
49.4
2.80
7.37
May -15
31.6
12.0%
5.40
2.45
1.72
58.6
3.69
9.70
Jun -15
31.6
14.5%
6.53
1.90
1.33
68.1
5.20
13.68
Jul -15
31.6
15.0%
6.75
1.48
1.04
73.8
5.71
15.05
Aug -15
31.6
13.5%
6.08
1.15
0.81
71.7
5.27
13.88
Sep -15
31.6
10.0%
4.50
1.11
0.78
63.0
3.72
9.80
Oct -15
31.6
7.0%
3.15
1.03
0.72
50.9
2.43
6.40
Nov -15
31.6
4.0%
1.80
0.78
0.55
37.5
1.25
3.30
Dec -15
31.6
3.0%
1.35
0.41
0.29
29.4
ICE
0.00
Jan -16
31.6
3.0%
1.35
0.48
0.34
28.6
ICE
0.00
Feb -16
31.6
3.5%
1.58
0.37
0.26
33.5
1.32
3.47
Mar -16
31.6
5.5%
2.48
1.07
0.75
41.1
1.73
4.55
Total
- 1
100%
45.00
14.02
9.81
- 1
33.11
87.19
Notes:
(A) Net exposed area requiring augmentation. Increases above the current value to account for additional exposure anticipated over the year
(B) Taken from General Guidelines for Substitute Woter Supply Plons for Sand and Grovel Pits Submitted to the State Engineer for
elevations below 6500 ft MSL
(C) Gross monthly evaporation = (Gross Annual Evaporation) * (B)
(D) Monthly precipitation from GREELEY UNC, COLORADO (053553) weather station. Period of record is 1967 to 2005
(E) Monthly consumptive use credit = (Historical Consumptive Use Credit) * (D)
(F) Monthly average temperature from GREELEY UNC, COLORADO (053553) weather station. Period of record is 1967 to 2005
(G) Net evaporation = (C) - (E) if the monthly average temperature is greater than freezing. Otherwise, the pond is assumed to be frozen
(H) Evap CU = (A) * (G)/12
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