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LOCATION.-- Lat 42°09'58", long 88°17'26" (NAD of 1927), in SW1/4NE1/4NW1/4 sec.34, T.43 N., R.8 E., McHenry County, Hydrologic Unit 07120006, on right bank 60 ft downstream from bridge on State Highway 62 (Algonquin Road) in Algonquin, 140 ft downstream from Algonquin Dam, and at mile 81.6. |
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DRAINAGE AREA.-- 1,403 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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STAGE: October 2002 to current year. |
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GAGE.-- Water-stage recorder and phone telemeter. Datum of gage is 719.48 ft above NGVD of 1929. |
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REMARKS.-- Flow regulated by gate in Algonquin Dam, Stratton Lock and Dam (previously known as McHenry Dam), 16 mi upstream from station, and occasionally affected by wind action. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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STAGE:Maximum gage height, 12.85 ft, May 30, 2004; minimum, 6.02 ft Sept. 3, 2003. |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |