Station list
Available data
422803087475304 DATA: GW_LEVELS_99
LAKE COUNTY
SITE ID.--422803087475304. Local number, 46N12E-14.6g4.
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.--Ironton and Galesville Sandstones of Cambrian age.
WELL CHARACTERISTICS.--Drilled unused artesian well, one of three
piezometers in 10-in. borehole, diameter 1.25 in.,
depth 1,203 ft, cased to 1,186 ft, 2-in. screen.
INSTRUMENTATION.--Electronic data logger--60-minute recording.
DATUM.--Land-surface datum is 586 ft above sea level. Measuring point: Top coupling on 1.25-in. plastic pipe,
2.73 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, 207.61 ft below land-surface datum, June 16, 1997;
lowest, 235.66 ft below land-surface datum, Dec. 22, 1989.
WATER LEVELS IN FEET BELOW LAND SURFACE DATUM, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999
DAILY MAXIMUM VALUES
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP
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5 | -- | -- | -- | 210.51 | 210.02 | 209.27 | 208.78 | 208.29 | 209.60 | 210.29 | 214.40 | 213.53
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10 | -- | -- | -- | 210.39 | 209.71 | 209.28 | 209.03 | 208.91 | 209.79 | 211.29 | 214.90 | 214.40
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15 | -- | -- | -- | 210.14 | 209.52 | 209.16 | 208.78 | 208.85 | 210.10 | 212.41 | 215.15 | 215.15
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20 | -- | -- | 211.02 | 210.14 | 209.52 | 209.27 | 208.78 | 209.04 | 209.79 | 213.41 | 214.65 | 215.15
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25 | -- | -- | 211.02 | 210.15 | 209.46 | 209.28 | 208.84 | 208.59 | 210.23 | 213.10 | 214.15 | 214.90
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EOM | -- | -- | 210.77 | 210.15 | 209.09 | 208.78 | 208.91 | 209.10 | 210.54 | 213.40 | 213.53 | 215.15
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