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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 405511090383401 11N 2W-29.7h1

Warren County, Illinois
Hydrologic Unit Code 07080104
Latitude  40°55'11", Longitude  90°38'34" NAD27
Land-surface elevation 750 feet above NGVD29
The depth of the well is 2,465 feet below land surface.
The depth of the hole is 2,465 feet below land surface.
This well is completed in the Cambrian-Ordovician aquifer system (S300CAMORD) national aquifer.
This well is completed in the Ordovician-Cambrian Systems (367OVCB) local aquifer.
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Graph of groundwater level data at USGS 405511090383401 11N 2W-29.7h1
Breaks in the plot represent a gap of at least one year between field measurements.
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