HYDRO21871

• Permit No: M1984036
• IBM Index Class Name: Hydrology
• Doc Name: SURFACE ACRES OF WATER UNDERGOING DEPLETION AND REQUIRING AUGMENTATION LESS ANY PRE 1981 WATER UTILI
• Media Type: D
• Archive: No

Varra Companies, Inc.
2130 South 96th Street, Broomfield, CO 80020 [phone] Fax Number (303)666E743
Table 2 [Revised]: Utilizing information from the Blatchley Report [12/05/90]
Net Monthly Evalporation
Annual Gross Evaporation of 40 inches
Augmentation Calculation for DMG Permits M74-052 Pit One [entire area] and M84-036 Dakolios Pit [entire area].
NOTE: Calculations include percentages for monthly distribution based upon the February 1996 Draft of the State Engineer on General Guidelines
for Substitute Water Supply Plans [Part 6].
Monthly Distribution
Gross Annual Evaporation Average Precipitation in
Inches Net
Evaporation
[70% Eff.
Ppt.] [c]
Converstion
to Acre Feet
Net - 12
inches [c] x 58.8"
Acres -Total
Surface Area
of Exposed
Water TOTAL Acre
Feet requiring
augmentation
as of June
1996
Month % [a] Inches/Month Monthly [b] 70% [5] [3] - [5] Acre Feet 'see Table 1
November 4.0 I.60 0.66 0.46 1.14 0.0950000 5.5860
December 3.0 1.20 0.54 0.38 0.82 0.0683333 4.0179
January 3.0 1.20 0.39 0.27 0.93 0.0775000 4.5570
February 3.5 1.40 0.43 0.30 1.10 0.0916666 5.3899
March 5.5 2.20 1.02 0.72 1.48 0.1233333 7.2519
E Winter 26.8027
April 9.0 3.60 1.69 1.18 2.42 0.2016666 11.8579
May 12.0 4.80 2.53 1.77 3.03 0.2525000 14.8470
June 14.5 5.80 1.71 1.20 4.60 0.3833333 22.5399
July 15.0 6.00 1.11 0.78 5.22 0.4350000 25.5780

September 10.0 4.00 1.28 0.90 3.10 0.2583333 15.1899
October 7.0 2.80 0.89 0.62 2.18 0.1816666 10.6819
E Summer 123.2835
TOTALS 100.0 40.00 13.38 9.37 30.63 2.5524996 150.0862
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