USGS Water-Year Summary 2024
440026090390101 MO-18/02W/29-0017
Cambrian-Ordovician aquifer system
Sandstone Aquifer
LOCATION - Lat 44°00'26", long 90°39'01" referenced to North American Datum of 1983, in NW 1/4 NW 1/4 SW 1/4 sec.29, T.18 N., R.2 W., Monroe County, WI, Hydrologic Unit 07040006, 4.5 miles west of Tunnel City.
GROUNDWATER RECORDS
DATUM - Land-surface datum is 903.5 ft above North American Vertical Datum of 1988. Measuring point: top of casing, .50 ft above land-surface datum, Sep. 29, 2011 to present.
PERIOD OF RECORD -
November 1949 to current year.