HYDRO29956

• Permit No: M1984036
• IBM Index Class Name: Hydrology
• Doc Date: 3/7/1997
• Doc Name: LETTER OF INTENT MASTER TEMPORARY SUBSTITUTE SUPPLY PLAN DOR VARRA CO INC FOR ALL EXTRACTION ACTIVIT
• From: VARRA CO INC
• To: DMG
• Media Type: D
• Archive: No

Varna Companies, Inc.
2130 South 96th Street, Broomfield, CO 80020 [phone] Fax Number [phone]
Table 1 Net Monthly Evalporation
Annual Gross Evaporation of 40 inches
a re o pera tons
NOTE: Calculations include percentages for monthly distribution based upon the February 1996 Draft oP the State Engineer on General Guidelines
Por Substitute Water Supply Plans [Part 6].
1

Monthly Distribution
Gross Annual Evaporation Average Precipitation in
Inches Net
Evaporation
[70% Eff.
Ppt.] [c]
Converstion
to Acre Feet
Net _ 12
inches [c] x 200*
Acres -Total
Surface Area
of Exposed
Water TOTAL Acre
Feet required
for
augmentation
Month % [a] Inches/Month Monthly [b] 70% [5] [3] - [5] Acre Feet 'hypothetical
November 4.0 1.60 0.66 0.46 1.14 0.0950000 19.00
December 3.0 1.20 0.54 0.38 0.82 0.0683333 13.67
January 3.0 1.20 0.39 0.27 0.93 0.0775000 15.50
February 3.5 1.40 0.43 0.30 1.10 0.0916666 18.33
March 5.5 2.20 1.02 0.72 1.48 0.1233333 24.67
E Winter 0.4558332 91.17 Winter
April 9.0 3.60 1.69 1.18 2.42 0.2016666 40.33
May 12.0 4.80 2.53 1.77 3.03 0.2525000 50.50
June 14.5 5.80 1.71 1.20 4.60 0.3833333 76.67
July 15.0 6.00 1.11 0.78 5.22 0.4350000 87.00
August 13.5 5.40 1.13 0.79 4.61 0.3841666 76.83
September 10.0 4.00 1.28 0.90 3.10 0.2583333 51.67
October 7.0 2.80 0.89 0.62 2.18 0.1816666 36.33
E Summer 2.0966664 419.33 Summer
TOTALS 100.0 40.00 13.38 9.37 30.63 2.5524996
279.0 surface acres of exposed water - 127.0 acre feet of Winter water and 585.0 acre feet of Summer water.