USGS Water-Year Summary 2024
430658089385701 DN-07/07E/03-6023
Sand and gravel aquifers (glaciated regions)
Sand and Gravel Aquifer
LOCATION - Lat 43°06'57.49", long 89°38'56.47" referenced to North American Datum of 1983, in SW 1/4 NW 1/4 NE 1/4 sec.3, T.7 N., R.7 E., Dane County, WI, Hydrologic Unit 07070005,
GROUNDWATER RECORDS
DATUM - Land-surface datum is 886.3 ft above North American Vertical Datum of 1988. Measuring point: top of casing, 2.46 ft above land-surface datum, Sep. 27, 2011, to present.
PERIOD OF RECORD - February 2010 to current year. Measured hourly.
EXTREMES FOR PERIOD OF RECORD - Highest recorded water level is 17.37 feet below land-surface datum on Jul. 25, 2010. Lowest recorded water level is 20.47 feet below land-surface datum on Jan. 28, 2013.