REP19780

• Permit No: C1980007
• IBM Index Class Name: Report
• Doc Date: 4/25/1991
• Doc Name: 1990 ANNUAL HYDROLOGY REPORT MINE WATER YEAR 1990
• Annual Report Year: 1990
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

• TAST FORK, MINNESOTA CREEK RECORDING GAGE
AVERAGE DISCHARGE VALUES FOR THE PERIOD OCTOBER 1989'CIIR000II SEPTEMBER L990
(CUBIC FEET PER SECOND)
DAY OCT NOV DEC ]AN FE6 MAR APR MAY ]UN JUL AUG SEP
1 2.9 2.4I 2.81 (i) (1) (1) (1) ]0.99 30.]2 23.03 8.71 3.43
2 2.93 2.52 2.81 (1) (1) (1) (1) 11.51 28.28 23.04 6.8 2.5
3 2.95 2.71 2.85 (1) (1) (1) (1) 11.16 28.19 21.49 6.5 2.42
4 2.9 2.7 2.64 (1) (I) (I) (1) 10.84 31.2 20.34 6.44 2.38
5 2.36 2.73 (1) (1) (1) (1) 2.28 11.02 (5) 15.9 6.22 2.23
G 2.36 2.68 (1) (1) (1) (1) 4.17 11.71 (5) 11.21 5.87 2.33
7 2.37 2.7 (1) (1) (1) (I) 4.7 16.27 (5) 10.68 5.73 4.23
8 2.31 2.66 (I) (1) (]) (]) 5.38 ]8.53 (5) 12.01 5.61 5.62
9 2.3 2.68 (1) (1) (1) (I) 5.83 18.21 (5) 12.02 3.6 S.SS
]0 2.32 2,77 (1) (1) (1) (1) 4.89 18.01 (5) 10.35 5.73 5.26
11 2.29 2.77 (1) (1) (1) (1) 4.61 18.16 (5) 9.56 5.52 4.86
12 2.32 2.87 (1) (1) (1) (1) 4.73 17.63 (5) 9.07 5.21 4.69
13 2.31 2.81 (1) (1) (f) (1) 4.83 17.35 (5) 9.02 5.13 3.63
14 2.27 2.82 (1) (1) (1) (1) 4.92 16.29 29.35 9.25 5.55 2.81
15 2.34 2.85 (]) (I) (1) (1) 5.81 18.01 26.72 9.04 5.91 2.73
16 2.34 2.85 (1) (1) (1) (1) 6.42 17.33 25.26 8.63 5.43 4.25
17 2.36 2.84 (1) (1) (1) (1) 734 16.98 24 8.4 5.25 4.02
18 2.36 2.65 (1) (1) (1) (1) 7.34 17.06 22.75 8.61 5.38 3.3
19 2.29 2.92 (1) (1) (1) (I) 9.5 21.87 22.78 8.52 6.28 3.05
20 2.39 2.97 (I) (I) (1) (i) 8.55 23.72 22.78 8.17 5.07 2.87
• 21 2.41 2.65 (1) (1) (1) (1) 6.51 23.66 22.38 7.98 4.84 2.86
22 24 2.85 (1) (1) (1) (1) 9.01 (5) 22.05 7.79 4.78 2.77
23 2.36 2.79 (I) (1) (1) (1) 9.85 (5) 22.05 8.36 4.58 2.59
24 2.37 2.03 (1) (1) (1) (1) 11.34 (5) 22.05 9.2 4.44 5.52
25 2.36 2.01 (1) (1) (1) (1) 9.97 (5) 24.86 8.35 4.26 5.42
2G 2.3 2.75 (1) (1) (1) (1) 9.06 (5) 27.12 15.96 4.09 2.56
27 2.37 2.77 (1) (1) (1) (I) 8.4 (5) 26.25 15.42 4.01 2.45
23 2.36 2.75 (1) (1) (1) (1) 8.02 32.73 25.35 15.14 3.98 2.26
29 2.35 2.71 (1) (I) (1) 9.41 31.78 24.63 15.56 3.67 2.18
30 2.37 2.76 (1) (1) (1) 9.19 29.56 23.93 9.94 3.86 2.31
31 2.44 (I) (1) 29.27 6.72 3.62
TOTAL 78 83.6 (4) (4) (4) (4) (4) 6943 892.5 392.3 171.6 106.6
MEAN 2.4 2.8 (4) (4) (4) (4) (4) 21.7 28.8 12.3 5.4 3.4
MAX 3 3 (4) (4) (4) (4) (4) 37.3 39 24 6.4 93
MIN 2.3 1.8 (4) (4) (4) (4) (4) 9.l 21.5 6.7 3.6 2.2
AC~FT 154.4 169.5 (4) (4) (4) (4) (4) 1374 1767 2776.7 339.) 211
N07ES:
(1) Float irozcn (2) Mechanical malfunction
(3) Submerged now (4) Incomplete data
(s) overnaw
•