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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 441759103261202 04N06E19AABA2 (Tilford South Madison well)

Meade County, South Dakota
Latitude  44°17'59.7", Longitude 103°26'12.2" NAD83
Land-surface elevation 3,639.1 feet above NAVD88
The depth of the well is 840 feet below land surface.
The depth of the hole is 840 feet below land surface.
This well is completed in the Paleozoic aquifers (N500PLOZOC) national aquifer.
This well is completed in the Madison Group (Upper and Lower Mississippian) (331MDSN) local aquifer.

Period of record
Begin Date End Date Levels
1990-11-27 2023-11-15 313

 
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