USGS Water-Year Summary 2024
430409089234601 DN-07/09E/23-6212
Cambrian-Ordovician aquifer system
Sandstone Aquifer
LOCATION - Lat 43°04'08.57", long 89°23'45.79" referenced to North American Datum of 1983, in SE 1/4 NW 1/4 sec.23, T.7 N., R.9 E., Dane County, WI, Hydrologic Unit 07090002,
GROUNDWATER RECORDS
DATUM - Land-surface datum is 858.8 ft above North American Vertical Datum of 1988. Measuring point: top of PVC casing, 2.27 ft above land-surface datum, Oct. 22, 2021 to present.
PERIOD OF RECORD - October 2021 to current year.