LOCATION.-- Lat 41°31'08", long 88°04'10" (NAD of 1927), in SW1/4NE1/4 sec.15, T.35 N., R.10 E., Will County, Hydrologic Unit 07120004, on right bank at Third Avenue in Joliet, 0.2 mi downstream from Spring Creek, and at mile 1.9. |
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DRAINAGE AREA.-- 107 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: October 1944 to current year. |
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STAGE: Water years 1994-2002. |
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SURFACE-WATER QUALITY |
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CHEMICAL: Water years 1979-91. |
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REVISED RECORDS.-- WDR IL-91-2: 1981(M). |
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GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 526.00 ft above NGVD of 1929. Prior to Oct. 9, 1946, nonrecording gage at same site at datum 1.00 ft higher. Oct. 9, 1946, to Sept. 30, 1974, at datum 1.00 ft higher. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 17,300 ft3/s, June 13, 1981, gage height, 14.90 ft, from rating curve extended above 6,300 ft3/s; minimum, 0.5 ft3/s, Aug. 9, 16, 19, 1964. |
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REMARKS FOR CURRENT YEAR.-- Records good except those for Jan. 25 to Sept. 30, which are fair, and those for estimated daily discharges, which are poor. |
DISCHARGE, in CFS, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 17 | 43 | 143 | e29 | e100 | 152 | 125 | 329 | 49 | 21 | 16 | 12 |
2 | 15 | 48 | 86 | e27 | e84 | 189 | 962 | 263 | 42 | 17 | 15 | 20 |
3 | 13 | 71 | 63 | e25 | e72 | e250 | 1050 | 205 | 40 | 15 | 15 | 18 |
4 | 18 | 50 | 51 | e25 | e60 | e230 | 512 | 161 | 48 | 15 | 16 | 17 |
5 | 217 | 40 | 44 | e25 | e52 | e210 | 289 | 131 | 57 | 13 | 24 | 14 |
6 | 154 | 35 | 40 | e25 | e44 | 223 | 215 | 215 | 51 | 16 | 29 | 13 |
7 | 81 | 33 | 38 | e24 | e39 | 746 | 223 | 298 | 43 | 15 | 19 | 13 |
8 | 52 | 31 | 37 | e24 | e42 | 1080 | 1030 | 416 | 38 | 13 | 15 | 13 |
9 | 40 | 28 | 32 | e24 | e120 | 1180 | 1510 | 1620 | 34 | 170 | 13 | 13 |
10 | 31 | 27 | 29 | e24 | e310 | 648 | 568 | 413 | 35 | 98 | 13 | 13 |
11 | 29 | 26 | 28 | 24 | e260 | 357 | 331 | 781 | 67 | 45 | 12 | 13 |
12 | 135 | 24 | 27 | 22 | e180 | 260 | 242 | 3430 | 72 | 28 | 13 | 13 |
13 | 297 | 23 | 31 | 22 | e150 | 221 | 196 | 1550 | 51 | 22 | 17 | 13 |
14 | 940 | 27 | 37 | 23 | e120 | 193 | 140 | 681 | 51 | 18 | 14 | 13 |
15 | 530 | 30 | 59 | 23 | e110 | 170 | 199 | 367 | 55 | 15 | 15 | 14 |
16 | 314 | 28 | 53 | 22 | e100 | 130 | 225 | e500 | 45 | 15 | 16 | 13 |
17 | 205 | 26 | 85 | e22 | e90 | 101 | 198 | e580 | 36 | 13 | 17 | 13 |
18 | 146 | 25 | 121 | e22 | e82 | 92 | 181 | e300 | 32 | 14 | 16 | 24 |
19 | 91 | 25 | 81 | e22 | 290 | 84 | 147 | e220 | 29 | 15 | 19 | 24 |
20 | 74 | 28 | 63 | e22 | 1050 | 113 | 370 | e180 | 26 | 12 | 24 | 29 |
21 | 58 | 28 | 50 | 21 | 970 | 116 | 501 | 154 | 24 | 12 | 19 | 35 |
22 | 49 | 26 | 46 | 21 | 569 | 93 | 512 | 123 | 22 | 11 | 20 | 29 |
23 | 278 | 24 | 50 | 32 | 350 | 86 | 351 | 90 | 21 | 10 | 23 | 23 |
24 | 304 | 24 | 46 | 55 | 268 | 80 | 281 | 208 | 20 | 10 | 30 | 20 |
25 | 322 | 30 | 53 | e49 | 222 | 72 | 340 | 159 | 28 | 11 | 19 | 18 |
26 | 194 | 32 | e54 | e40 | 220 | 70 | 236 | 114 | 38 | 12 | 18 | 16 |
27 | 116 | 31 | e47 | e38 | 207 | 67 | 424 | 86 | 65 | 19 | 22 | 16 |
28 | 83 | 29 | e41 | e36 | 164 | 64 | 1520 | 76 | 48 | 20 | 14 | 15 |
29 | 65 | 31 | e37 | e34 | --- | 100 | 857 | 71 | 32 | 19 | 13 | 15 |
30 | 55 | 111 | e33 | e37 | --- | 201 | 495 | 60 | 26 | 20 | 12 | 15 |
31 | 48 | --- | e31 | e60 | --- | 145 | --- | 54 | --- | 18 | 12 | --- |
TOTAL | 4971 | 1034 | 1636 | 899 | 6325 | 7723 | 14230 | 13835 | 1225 | 752 | 540 | 517 |
MEAN | 160.4 | 34.47 | 52.77 | 29.00 | 225.9 | 249.1 | 474.3 | 446.3 | 40.83 | 24.26 | 17.42 | 17.23 |
MAX | 940 | 111 | 143 | 60 | 1050 | 1180 | 1520 | 3430 | 72 | 170 | 30 | 35 |
MIN | 13 | 23 | 27 | 21 | 39 | 64 | 125 | 54 | 20 | 10 | 12 | 12 |
CFSM | 1.50 | 0.32 | 0.49 | 0.27 | 2.11 | 2.33 | 4.43 | 4.17 | 0.38 | 0.23 | 0.16 | 0.16 |
IN. | 1.73 | 0.36 | 0.57 | 0.31 | 2.20 | 2.69 | 4.95 | 4.81 | 0.43 | 0.26 | 0.19 | 0.18 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1945 - 2002, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 40.24 | 62.34 | 78.47 | 83.24 | 111.8 | 168.1 | 175.6 | 131.1 | 105.3 | 57.08 | 34.97 | 39.78 |
MAX | 458 | 359 | 552 | 306 | 416 | 726 | 566 | 488 | 581 | 432 | 144 | 372 |
(WY) | 1955 | 1991 | 1983 | 1974 | 1997 | 1979 | 1947 | 1974 | 1981 | 1957 | 1998 | 1961 |
MIN | 3.05 | 5.34 | 3.15 | 3.89 | 5.54 | 18.9 | 13.8 | 20.1 | 10.9 | 7.17 | 3.36 | 4.35 |
(WY) | 1964 | 1964 | 1964 | 1963 | 1963 | 1964 | 1963 | 1985 | 1988 | 1988 | 1964 | 1966 |
SUMMARY STATISTICS | FOR 2001 CALENDAR YEAR | FOR 2002 WATER YEAR | WATER YEARS 1945 - 2002 | |||
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ANNUAL TOTAL | 35299.9 | 53687 | ||||
ANNUAL MEAN | 96.71 | 147.1 | 90.44 | |||
HIGHEST ANNUAL MEAN | 168 | 1993 | ||||
LOWEST ANNUAL MEAN | 20.8 | 1963 | ||||
HIGHEST DAILY MEAN | 2370 A | Feb 9 | 3430 | May 12 | 8400 | Jun 13 1981 |
LOWEST DAILY MEAN | 9.5 | Jul 16,21 | 10 | Jul 23,24 | 0.80 | Aug 16 1964 |
ANNUAL SEVEN-DAY MINIMUM | 9.7 | Jul 15 | 11 | Jul 20 | 1.0 | Aug 12 1964 |
MAXIMUM PEAK FLOW | 4400 | May 12 | 17300 B | Jun 13 1981 | ||
MAXIMUM PEAK STAGE | 7.27 | May 12 | 14.90 | Jun 13 1981 | ||
INSTANTANEOUS LOW FLOW | 9.3 | Jul 24 | 0.50 | C | ||
ANNUAL RUNOFF (CFSM) | 0.90 | 1.37 | 0.85 | |||
ANNUAL RUNOFF (INCHES) | 12.27 | 18.67 | 11.48 | |||
10 PERCENT EXCEEDS | 213 | 335 | 199 | |||
50 PERCENT EXCEEDS | 48 | 43 | 30 | |||
90 PERCENT EXCEEDS | 18 | 15 | 7.6 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |