Station list Available data
LAKE COUNTY
SITE ID.--422803087475303. Local number, 46N12E-14.6g3.
LOCATION.--Lat 42°28'03", long 87°47'53", Hydrologic Unit 04040002, at Illinois Beach State Park, northern unit. Owner: U.S. Geological Survey.
AQUIFER.--Elmhurst Sandstone member of the Eau Claire Formation and the upper Mount Simon Sandstone of Cambrian age.
WELL CHARACTERISTICS.--Drilled unused artesian well, one of three piezometers in 10-in. borehole, diameter 1.25 in., depth 1,684 ft, cased to 1,666 ft, 2-in. screen.
INSTRUMENTATION.--Manual steel-tape measurement made every 2 months.
DATUM.--Land-surface datum is 586 ft above sea level. Measuring point: Top coupling on 1.25-in. plastic pipe, 2.67 ft above land-surface datum.
REMARKS.--Water level affected by regional pumping.
PERIOD OF RECORD.--November 1988 to September 1997, December 1998 to current year. Miscellaneous water-level measurements from December 1981 to November 1988 are available in files of the
U.S. Geological Survey.
EXTREMES FOR PERIOD OF RECORD.--Highest water level, 209.18 ft below land-surface datum, May 25, 1999; lowest, 232.7 ft below land-surface datum, Oct. 18, Nov. 12, 18, 19, 28, 29, 1989.
WATER LEVELS IN FEET BELOW LAND SURFACE DATUM,
WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 |
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WATER |
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WATER |
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WATER |
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WATER |
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WATER |
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WATER |
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LEVEL |
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LEVEL |
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LEVEL |
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LEVEL |
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LEVEL |
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LEVEL |
| DEC 13 |
208.58 |
JAN 28 |
208.42 |
MAR 24 |
207.48 |
MAY 25 |
207.18 |
JUN 25 |
207.61 |
AUG 18 |
209.01 |
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Table of Contents
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Introduction
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Station Descriptions
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Surface-Water Data
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Ground-Water Data
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Meteorological Data
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Biological Data
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