2006-12-11_REVISION - M1994005

• Permit No: M1994005
• IBM Index Class Name: Revision
• Doc Date: 12/11/2006
• Doc Name: Amend Appl
• From: Oldcastle SW Group, Inc. dba United Companies of Mesa County
• To: DRMS
• Type & Sequence: AM2
• Media Type: D
• Archive: No

SB120 Eva oration Tables Case No. United Lake
Station Montrose #2 Ad'usted for Preci b 1.14 factor for Colon a
Below 6500 feet
Effective Preci - 0.7 x Total Preci .
Total Eva oration - 42 inches
Total Preci itation = 12 inches
Surface Area = 26 acres United Lake ex osed surface
# Ponds = 1 Effective
Eva oration Station Site Preci Net Total
Month % Distribution Preci % Distributio Tem De letion De letion
Distributio in. in. Distributio in. °F in. A-F
Jan 3.0 1.26 0.8 7.2 0.61 25 0.00 0.00
Feb 3.5 1.47 0.685 6.2 0.52 31 0.00 0.00
Mar 5.5 2.31 0.8 7.2 0.61 39 1.70 3.69
A r 9.0 3.78 1.028 9.3 0.78 48 3.00 6.50
Ma 12.0 5.04 0.914 8.2 0.69 57 4.35 9.42
Jun 14.5 6.09 0.57 5.1 0.43 66 5.66 12.26
Jul 15.0 6.30 0.914 8.2 0.69 72 5.61 12.15
Au 13.5 5.67 1.486 13.4 1.13 69 4.54 9.84
Se 10.0 4.20 1.257 11.3 0.95 62 3.25 7.04
Oct 7.0 2.94 1.14 10.3 0.86 50 2.08 4.50
Nov 4.0 1.68 0.686 6.2 0.52 36 1.16 2.51
Dec 3.0 1.26 0.8 7.2 0.61 27 0.00 0.00
Total 100.0 42.00 11.08 8.40 31.34 67.91
SB120 Eva oration Tables Case No. Jutten Lake
Station Montrose #2 Ad'usted for Preci b 1.14 factor for Colona
Below 6500 feet
Effective Preci - 0.7 x Total Preci .
Total Eva oration = 42 inches
Total Preci itation = 12 inches
Surface Area = 17.7 acres Jutten Lake ex osed surface
# Ponds - 1 Effective
Eva oration Station Site Preci Net Total
Month % Distribution Preci % Distributio Tem De letion De letion
Distributio in. in. Distribution in. °F in. A-F
Jan 3.0 1.26 0.8 7.2 0.61 25 0.00 0.00
Feb 3.5 1.47 0.685 6.2 0.52 31 0.00 0.00
Mar 5.5 2.31 0.8 7.2 0.61 39 1.70 2.51
A r 9.0 3.78 1.028 9.3 0.78 48 3.00 4.43
Ma 12.0 5.04 0.914 8.2 0.69 57 4.35 6.41
Jun 14.5 6.09 0.57 5.1 0.43 66 5.66 8.35
Jul 15.0 6.30 0.914 8.2 0.69 72 5.61 8.27
Au 13.5 5.67 1.486 13.4 1.13 69 4.54 6.70
Se 10.0 4.20 1.257 11.3 0.95 62 3.25 4.79
Oct 7.0 2.94 1.14 10.3 0.86 50 2.08 3.06
Nov 4.0 1.68 0.686 6.2 0.52 36 1.16 1.71
Dec 3.0 1.26 0.8 7.2 0.61 27 0.00 0.00
Total 100.0 42.00 11.08 8.40 31.34 46.23
Therefore, total depletions are 46.23 + 67.91 = 114.14 ac-ft/yr from the post-mine case.
Colona Pit November 06 G-6