USGS Water-Year Summary 2023
430416088144603 WK-07/19E/16-4235
Silurian-Devonian aquifers
Maquoketa Shale
LOCATION - Lat 43°04'16.48", long 88°14'46.52" referenced to North American Datum of 1983, in SE 1/4 NE 1/4 sec.16, T.7 N., R.19 E., Waukesha County, WI, Hydrologic Unit 07120006,
GROUNDWATER RECORDS
DATUM - Land-surface datum is 860.3 ft above North American Vertical Datum of 1988. Measuring point: top of pvc casing, 1.09 ft above land-surface datum, May 29, 2014 to present.
PERIOD OF RECORD - December 2012 to current year.