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LOCATION.-- Lat 42°10'33", long 88°23'36" (NAD of 1927), in SW1/4NW1/4 sec. 26, T.43 S., R.07 E., McHenry County, Hydrologic Unit 07090006, on north side of Algonquin Road, 1.75 miles east of the intersection of Route 47 and Algonquin Road. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: April 1999 to September 2000 (discontinued). |
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STAGE: April 1999 to September 2000. |
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GAGE.-- Water-stage recorder and acoustical velocity meter. Datum of gage is 855.00 ft. above NGVD of 1929 (854.83 ft NAVD 1988). |
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REMARKS.-- Flow regulated by control valve approximately 30 ft upstream from gage. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 12.3 ft3/s, June 17, 1999, gage height, 1.52 ft; maximum gage height, 4.06 ft, June 17, 1999; no flow for many days. |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |