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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 330855092505601 18S17W22BDD1 McKinnon

Union County, Arkansas
Latitude  33°08'55.91", Longitude  92°50'56.48" NAD83
Land-surface elevation 283 feet above NAVD88
The depth of the well is 705 feet below land surface.
This well is completed in the Mississippi embayment aquifer system (S100MSEMBM) national aquifer.
This well is completed in the Sparta Sand (124SPRT) local aquifer.

Period of record
Begin Date End Date Levels
1968-04-03 2024-10-01 162

 
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