LOCATION.-- Lat 40°40'03", long 89°30'15" (NAD of 1927), in SE1/4NE1/4 sec.36, T.26 N., R.4 W., Tazewell County, Hydrologic Unit 07130001, on right bank at upstream side of bridge, 0.2 mi east of Farmdale, 0.3 mi upstream from Norfolk & Western Railway bridge, 0.3 mi downstream from Toledo, Peoria & Western Railroad bridge, and at mile 5.8. |
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DRAINAGE AREA.-- 27.4 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: October 1948 to October 1985. March 1986 to current (Seven month periods-March to September). |
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STAGE: Water years 1994 to current year (Seven month periods-March to September). |
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PARTIAL RECORD: Miscellaneous discharge measurements, water years 1986-99. |
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REVISED RECORDS.-- WDR IL-75-1: Drainage area. |
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GAGE.-- Water-stage recorder, crest-stage gage, and concrete control. Datum of gage is 530.12 ft above NGVD of 1929. Prior to Mar. 5, 2002, water-stage recorder and concrete control at site 400 ft. downstream at same datum. |
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REMARKS.-- High flow regulated by Farmdale Dam, 1 mi upstream effective Aug. 16, 1951. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Prior to Mar. 5, 2002, maximum gage height, 7.58 ft, Apr. 24, 1950, discharge not determined; maximum discharge prior to Mar. 5, 2002 and after Farmdale Dam (Aug. 16, 1951) 1,050 ft3/s, June 2, 1980, gage height, 4.43 ft; maximum gage height, 6.55 ft, Feb. 20, 1982, ice jam; after Mar. 5, 2002, maximum gage height, 9.37 ft, May 12, 2002, discharge 598 ft3/s; no flow for several days in most years. |
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REMARKS FOR CURRENT YEAR.-- Records fair except those for estimated daily discharges, which are poor. |
Discharge, cubic feet per second, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 1.5 | --- | --- | --- | --- | --- | 6.7 | 7.7 | 11 | 15 | 6.4 | 46 |
2 | 1.7 | --- | --- | --- | --- | --- | 5.4 | 5.7 | 10 | 12 | 3.9 | 6.7 |
3 | 1.7 | --- | --- | --- | --- | --- | 5.5 | 5.6 | 14 | 9.5 | 3.5 | 3.1 |
4 | 5.0 | --- | --- | --- | --- | --- | 43 | 23 | 10 | 8.1 | 3.2 | 2.3 |
5 | 2.5 | --- | --- | --- | --- | --- | 24 | 44 | 8.9 | 6.8 | 2.9 | 2.0 |
6 | 1.7 | --- | --- | --- | --- | --- | 14 | 22 | 19 | 6.0 | 4.3 | 1.7 |
7 | 1.5 | --- | --- | --- | --- | --- | 40 | 17 | 17 | 5.4 | 3.0 | 1.7 |
8 | 1.5 | --- | --- | --- | --- | --- | 26 | 13 | 14 | 35 | 2.6 | 1.6 |
9 | 1.5 | --- | --- | --- | --- | --- | 19 | 46 | 12 | 79 | 2.3 | 1.8 |
10 | 1.3 | --- | --- | --- | --- | --- | 16 | 69 | 15 | 206 | 2.1 | 1.6 |
11 | --- | --- | --- | --- | --- | --- | 14 | 267 | 11 | 58 | 2.1 | 1.6 |
12 | --- | --- | --- | --- | --- | --- | 11 | 69 | 10 | 37 | 2.0 | 3.1 |
13 | --- | --- | --- | --- | --- | --- | 8.4 | 47 | 100 | 27 | 2.5 | 2.3 |
14 | --- | --- | --- | --- | --- | --- | 7.9 | 51 | 46 | 21 | 2.0 | 1.9 |
15 | --- | --- | --- | --- | --- | --- | 7.4 | 45 | 31 | 18 | 2.1 | 2.2 |
16 | --- | --- | --- | --- | --- | --- | 7.4 | 33 | 24 | 14 | 2.2 | 3.4 |
17 | --- | --- | --- | --- | --- | 6.7 | 9.1 | 27 | 19 | 27 | 2.1 | 1.5 |
18 | --- | --- | --- | --- | --- | 6.0 | 6.8 | 24 | 18 | 17 | 2.1 | 1.3 |
19 | --- | --- | --- | --- | --- | 15 | 6.6 | 20 | 16 | 11 | 2.0 | 1.4 |
20 | --- | --- | --- | --- | --- | 16 | 6.3 | 17 | 11 | 9.3 | 1.9 | 1.3 |
21 | --- | --- | --- | --- | --- | 16 | 5.8 | 15 | 9.6 | 51 | 2.1 | 1.4 |
22 | --- | --- | --- | --- | --- | 8.8 | 5.4 | 14 | 8.9 | 17 | 1.8 | 2.9 |
23 | --- | --- | --- | --- | --- | 6.9 | 4.9 | 13 | 8.1 | 11 | 1.7 | 2.1 |
24 | --- | --- | --- | --- | --- | 6.0 | 5.1 | 12 | 7.1 | 8.4 | 1.8 | 1.7 |
25 | --- | --- | --- | --- | --- | 11 | 10 | 11 | 9.7 | 6.8 | 1.8 | 1.7 |
26 | --- | --- | --- | --- | --- | 6.1 | 6.4 | 10 | 18 | 5.9 | 1.7 | 1.7 |
27 | --- | --- | --- | --- | --- | 5.2 | 5.4 | 9.6 | 7.1 | 5.4 | 1.6 | 1.9 |
28 | --- | --- | --- | --- | --- | 14 | 5.0 | 49 | 21 | 7.5 | 1.7 | 1.6 |
29 | --- | --- | --- | --- | --- | 11 | 4.8 | 38 | 66 | 5.2 | 3.6 | 1.5 |
30 | --- | --- | --- | --- | --- | 7.8 | 6.3 | 19 | 24 | 4.4 | 2.4 | 1.4 |
31 | --- | --- | --- | --- | --- | 7.6 | --- | 15 | --- | 3.9 | 8.4 | --- |
TOTAL | --- | --- | --- | --- | --- | --- | 343.6 | 1058.6 | 596.4 | 748.6 | 83.8 | 106.4 |
MEAN | --- | --- | --- | --- | --- | --- | 11.5 | 34.1 | 19.9 | 24.1 | 2.70 | 3.55 |
MAX | --- | --- | --- | --- | --- | --- | 43 | 267 | 100 | 206 | 8.4 | 46 |
MIN | --- | --- | --- | --- | --- | --- | 4.8 | 5.6 | 7.1 | 3.9 | 1.6 | 1.3 |
CFSM | --- | --- | --- | --- | --- | --- | 0.42 | 1.25 | 0.73 | 0.88 | 0.10 | 0.13 |
IN. | --- | --- | --- | --- | --- | --- | 0.47 | 1.44 | 0.81 | 1.02 | 0.11 | 0.14 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |