LOCATION.-- Lat 41°43'05", long 88°04'14" (NAD of 1983), in NE1/4SE1/4 sec.3, T.37 N., R.10 E., Will County, Hydrologic Unit 07120004, on downstream side of bridge on Royce Road, 0.5 mi north of Bolingbrook, 4.8 mi northwest of Lemont, and at mile 6.0. |
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DRAINAGE AREA.-- 75.8 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: October 1988 to current year. |
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STAGE: Water years 1994 to current year. |
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PARTIAL RECORD: Annual maximum gage height, water years 1962-70 (published as "at Barbers Corners"). |
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PRECIPITATION: May 1989 to September 1995. |
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GAGE.-- Water-stage recorder, phone telemeter, and crest-stage gage. Datum of gage is 625.28 ft above NGVD of 1929 (625.01 ft NAVD 1988). Prior to Oct. 1, 1988, at datum 17.07 ft higher. |
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REMARKS.-- Diurnal fluctuation at low flow caused by sewage treatment plants upstream from station. For precipitation records, snowfall-affected data can result during cold weather when snow fills the rain-gage funnel and then melts as temperatures rise. Snowfall-affected data are subject to appreciable errors. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 3,980 ft3/s, July 18, 1996, gage height, 23.75 ft; minimum discharge, 2.4 ft3/s, Aug. 5, 1993. |
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PRECIPITATION: Maximum recorded, 3.80 in., May 9, 1990 but may have been greater during periods of missing record. |
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REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor. |
Discharge, cubic feet per second, WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 29 | 131 | 232 | 51 | 70 | 161 | 140 | 53 | 40 | 48 | 31 | 30 |
2 | 66 | 238 | 174 | 261 | 68 | 130 | 296 | 54 | 43 | 43 | 27 | 28 |
3 | 40 | 132 | 137 | 227 | 68 | 114 | 216 | 52 | 42 | 40 | 28 | 25 |
4 | 35 | 182 | 111 | 248 | 75 | 103 | 160 | 51 | 54 | 41 | 30 | 24 |
5 | 30 | 145 | 95 | 171 | 104 | 104 | 126 | 48 | 69 | 44 | 29 | 23 |
6 | 28 | 91 | 134 | 147 | 149 | 92 | 103 | 50 | 54 | 44 | 29 | 26 |
7 | 25 | 69 | 341 | 116 | 238 | 97 | 100 | 58 | 50 | 38 | 27 | 24 |
8 | 81 | 56 | 373 | 94 | 254 | 87 | 91 | 54 | 48 | 39 | 26 | 24 |
9 | 71 | 47 | 234 | 83 | 200 | 76 | 79 | 50 | 46 | 39 | 26 | 24 |
10 | 52 | 44 | 166 | 81 | 157 | 76 | 74 | 50 | 46 | 37 | 39 | 24 |
11 | 44 | 39 | 131 | 116 | 132 | 88 | 77 | 74 | 46 | 38 | 52 | 27 |
12 | 37 | 35 | 108 | 402 | 116 | 85 | 223 | 77 | 45 | 37 | 57 | 25 |
13 | 33 | 34 | 89 | 1200 | 155 | 77 | 285 | 83 | 48 | 37 | 51 | 24 |
14 | 32 | 33 | 75 | 973 | 461 | 70 | 185 | 65 | 50 | 36 | 43 | 31 |
15 | 37 | 33 | 69 | 476 | 388 | 60 | 133 | 57 | 48 | 34 | 41 | 27 |
16 | 38 | 36 | 65 | 271 | 348 | 57 | 110 | 54 | 43 | 34 | 37 | 50 |
17 | 33 | 38 | 58 | 186 | 239 | 57 | 98 | 49 | 45 | 34 | 36 | 35 |
18 | 31 | 36 | 60 | 147 | 179 | 55 | 90 | 48 | 43 | 35 | 51 | 32 |
19 | 29 | 95 | 51 | 131 | 145 | 65 | 81 | 178 | 43 | 30 | 57 | 41 |
20 | 28 | 78 | 51 | 113 | 155 | 61 | 75 | 173 | 41 | 38 | 161 | 38 |
21 | 28 | 58 | 51 | 102 | 194 | 60 | 68 | 103 | 39 | 57 | 111 | 33 |
22 | 30 | 51 | 43 | 101 | 154 | 60 | 133 | 78 | 40 | 52 | 69 | 34 |
23 | 136 | 48 | 43 | 93 | 134 | 60 | 131 | 65 | 42 | 47 | 53 | 33 |
24 | 91 | 55 | 41 | 88 | 119 | 59 | 106 | 59 | 43 | 46 | 46 | 60 |
25 | 62 | 115 | 37 | 85 | 108 | 126 | 94 | 55 | 43 | 92 | 38 | 57 |
26 | 52 | 96 | 34 | 89 | 98 | 125 | 84 | 52 | 56 | 154 | 34 | 41 |
27 | 45 | 261 | 36 | 79 | 92 | 97 | 76 | 49 | 55 | 221 | 36 | 36 |
28 | 37 | 315 | 37 | 75 | 179 | 84 | 64 | 47 | 43 | 89 | 34 | 51 |
29 | 46 | 193 | 36 | 74 | --- | 77 | 57 | 44 | 46 | 54 | 35 | 70 |
30 | 58 | 155 | 35 | 71 | --- | 100 | 54 | 44 | 61 | 42 | 33 | 42 |
31 | 52 | --- | 56 | 71 | --- | 233 | --- | 41 | --- | 35 | 31 | --- |
TOTAL | 1436 | 2939 | 3203 | 6422 | 4779 | 2796 | 3609 | 2015 | 1412 | 1655 | 1398 | 1039 |
MEAN | 46.3 | 98.0 | 103 | 207 | 171 | 90.2 | 120 | 65.0 | 47.1 | 53.4 | 45.1 | 34.6 |
MAX | 136 | 315 | 373 | 1200 | 461 | 233 | 296 | 178 | 69 | 221 | 161 | 70 |
MIN | 25 | 33 | 34 | 51 | 68 | 55 | 54 | 41 | 39 | 30 | 26 | 23 |
CFSM | 0.61 | 1.29 | 1.36 | 2.73 | 2.25 | 1.19 | 1.59 | 0.86 | 0.62 | 0.70 | 0.59 | 0.46 |
IN. | 0.70 | 1.44 | 1.57 | 3.15 | 2.35 | 1.37 | 1.77 | 0.99 | 0.69 | 0.81 | 0.69 | 0.51 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 2005, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 83.9 | 108 | 84.6 | 106 | 117 | 129 | 152 | 145 | 122 | 89.9 | 86.8 | 72.1 |
MAX | 284 | 179 | 135 | 263 | 306 | 208 | 358 | 286 | 239 | 299 | 155 | 134 |
(WY) | 2002 | 1991 | 1995 | 1993 | 1997 | 1993 | 1993 | 1990 | 1993 | 1996 | 1998 | 2001 |
MIN | 38.4 | 40.9 | 23.5 | 44.5 | 42.2 | 52.5 | 50.5 | 43.5 | 43.6 | 41.7 | 38.0 | 34.6 |
(WY) | 1990 | 2000 | 1990 | 2003 | 1989 | 2000 | 1989 | 1992 | 1992 | 1991 | 1991 | 2005 |
SUMMARY STATISTICS | FOR 2004 CALENDAR YEAR | FOR 2005 WATER YEAR | WATER YEARS 1989 - 2005 | |||
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ANNUAL TOTAL | 36260 | 32703 | ||||
ANNUAL MEAN | 99.1 | 89.6 | 108 | |||
HIGHEST ANNUAL MEAN | 152 | 1993 | ||||
LOWEST ANNUAL MEAN | 76.9 | 1989 | ||||
HIGHEST DAILY MEAN | 812 | Aug 28 | 1200 | Jan 13 | 2700 | Jul 18 1996 |
LOWEST DAILY MEAN | 25 | Oct 7 | 23 | Sep 5 | 12 | Aug 5 1993 |
ANNUAL SEVEN-DAY MINIMUM | 29 | Sep 25 | 24 | Sep 4 | 18 | Aug 16 1992 |
MAXIMUM PEAK FLOW | 1380 | Jan 13 | 3980 | Jul 18 1996 | ||
MAXIMUM PEAK STAGE | 21.42 | Jan 13 | 23.75 | Jul 18 1996 | ||
INSTANTANEOUS LOW FLOW | 13 | Sep 5 | 2.4 | Aug 5 1993 | ||
ANNUAL RUNOFF (CFSM) | 1.31 | 1.18 | 1.42 | |||
ANNUAL RUNOFF (INCHES) | 17.80 | 16.05 | 19.34 | |||
10 PERCENT EXCEEDS | 188 | 176 | 209 | |||
50 PERCENT EXCEEDS | 65 | 57 | 70 | |||
90 PERCENT EXCEEDS | 38 | 32 | 38 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |