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LOCATION.-- Lat 39°08'48", long 89°51'51" (NAD of 1927), in SW1/4 sec.10,T.8 N., R.7 W., Macoupin County, Hydrologic Unit 07130012, at dam and spillway of Old Lake Gillespie, 2.3 mi northwest of Gillespie, and at mile 9.0. |
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DRAINAGE AREA.-- 5.73 mi2. |
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PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE |
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DISCHARGE: May 1996 to May 1997. |
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STAGE: May 1996 to May 1997. |
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GAGE.-- Non-recording gage. Elevation of 16.72 ft on staff gage is 623.57" above NGVD of 1929 (623.16 ft NAVD 1988). |
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REMARKS.-- This station was established to collect data for the IEPA Clean Lakes Program study. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 124 ft3/s, May 4, 1996, gage height 14.89 ft; 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 |