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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 384659090003701 4N8W-20.4e1 (SIUE)

Madison County, Illinois
Hydrologic Unit Code 07140101
Latitude  38°46'59.0", Longitude  90°00'36.7" NAD83
Land-surface elevation 445 feet above NGVD29
The depth of the well is 43.5 feet below land surface.
The depth of the hole is 43.9 feet below land surface.
This well is completed in the Mississippi River Valley alluvial aquifer (N100MSRVVL) national aquifer.
This well is completed in the Quaternary System (110QRNR) local aquifer.
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Graph of groundwater level data at USGS 384659090003701 4N8W-20.4e1 (SIUE)
Breaks in the plot represent a gap of at least one year between field measurements.
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