SALT LAKE COUNTY PUBLIC WORKS DEPARTMENT ENGINEERING DIVISION #340 BIG COTTONWOOD CREEK @ COTTONWOOD LANE USGS #: 10168800 DAILY DISCHARGE IN CUBIC FEET PER SECOND WATER YEAR OCT 1999 TO SEP 2000 Day OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP ------------------------------------------------------------------------------------------------------------------------------------ 1 5.0> 1.0> 6.7 3.0> 1.0> 1.0> 3.0> 27 118 3.0> 1.0> 8.7 2 5.0> 1.0> 5.4 5.3 1.0> 1.0> 1.0> 33 100 1.0> 1.0> 6.1 3 5.0> 1.0> 8.0 6.4 1.0> 1.0> 1.0> 54 96 3.0> 5.0> 5.0> 4 5.0> 1.0> 6.1 6.7 1.0> 1.0> 1.0> 82 83 3.0> 5.0> 3.0> 5 5.0> 1.0> 6.9 5.3 1.0> 1.0> 5.0> 117 79 3.0> 5.0> 1.0> 6 5.0> 1.0> 11 5.0> 1.0> 1.0> 19 136 72 3.0> 3.0> 1.0> 7 5.7 1.0> 21 3.0> 1.0> 1.0> 20 127 62 1.0> 3.0> 1.0> 8 5.0> 1.0> 20 3.0> 1.0> 1.0> 15 101 58 1.0> 5.0> 3.0> 9 5.0> 1.0> 19 5.0> 3.0> 1.0> 12 74 57 1.0> 3.0> 1.0> 10 5.0> 1.0> 20 5.0> 3.0> 1.0> 8.2 73 41 3.0> 5.0> 1.0> 11 3.0> 1.0> 18 3.0> 3.0> 1.0> 5.7 84 26 5.0> 5.0> 1.0> 12 5.0> 1.0> 18 3.0> 3.0> 1.0> 7.3 70 23 5.0> 3.0> 1.0> 13 5.0> 1.0> 18 1.0> 3.0> 1.0> 8.5 61 21 6.3 1.0> 1.0> 14 5.0> 1.0> 15 1.0> 1.0> 1.0> 35 51 21 5.0> 3.0> 1.0> 15 5.0> 1.0> 5.2 1.0> 1.0> 1.0> 31 44 17 3.0> 5.0> 3.0> 16 3.0> 1.0> 5.0> 1.0> 1.0> 1.0> 16 47 16 1.0> 5.0> 3.0> 17 3.0> 1.0> 5.0> 1.0> 1.0> 1.0> 7.2 48 12 1.0> 5.0> 3.0> 18 1.0> 3.0> 3.0> 1.0> 1.0> 1.0> 6.1 49 11 1.0> 5.0> 3.0> 19 1.0> 3.0> 3.0> 1.0> 1.0> 1.0> 5.0> 51 9.8 1.0> 3.0> 1.0> 20 1.0> 1.0> 5.0> 1.0> 1.0> 1.0> 3.0> 49 9.5 1.0> 5.0> 1.0> 21 1.0> 5.0> 5.0> 3.0> 3.0> 1.0> 3.0> 64 8.8 1.0> 3.0> 3.0> 22 1.0> 6.0 5.0> 3.0> 3.0> 1.0> 7.6 94 7.3 1.0> 3.0> 3.0> 23 1.0> 5.0> 3.0> 1.0> 1.0> 1.0> 14 133 5.8 1.0> 5.4 8.4 24 1.0> 5.0> 3.0> 1.0> 1.0> 1.0> 15 173 6.1 1.0> 5.5 5.0> 25 1.0> 5.0> 3.0> 1.0> 1.0> 1.0> 8.1 200 6.3 1.0> 5.0> 5.0> 26 1.0> 6.4 3.0> 3.0> 1.0> 1.0> 7.2 238 5.0> 3.0> 5.0> 5.0> 27 1.0> 8.3 3.0> 3.0> 1.0> 1.0> 16 184 3.0> 3.0> 6.2 3.0> 28 1.0> 10 1.0> 1.0> 3.0> 12 40 189 3.0> 1.0> 7.2 3.0> 29 3.0> 5.8 1.0> 1.0> 3.0> 9.0 51 200 1.0> 1.0> 6.5 3.0> 30 3.0> 5.0> 3.0> 1.0> ------ 8.3 31 176 1.0> 3.0> 8.6 3.0> 31 1.0> ------ 3.0> 1.0> ------ 3.0 ------ 145 ------ 3.0> 17 ------ TOTAL 97.7 85.5 252.3 80.7 47.0 59.3 402.9 3,174 979.6 70.3 148.4 90.2 MEAN 3.15 2.85 8.14 2.60 1.62 1.91 13.4 102 32.7 2.27 4.79 3.01 MAX 5.7 10 21 6.7 3.0 12 51 238 118 6.3 17 8.7 MIN 1.0 1.0 1.0 1.0 1.0 1.0 1.0 27 1.0 1.0 1.0 1.0 AC-FT 194 170 500 160 93 118 799 6,300 1,940 139 294 179 CAL YEAR 1999 TOTAL 16,356.00 MEAN 44.8 MAX 390 MIN 1.0 AC-FT 32,440 WTR YEAR 2000 TOTAL 5,487.90 MEAN 15.0 MAX 238 MIN 1.0 AC-FT 10,890 > Actual value is known to be less than the value shown