USGS Water-Year Summary 2023
430301088024702 ML-07/21E/20-8021
Sand and gravel aquifers (glaciated regions)
Sand and Gravel Aquifer
LOCATION - Lat 43°03'01.28", long 88°02'47.25" referenced to North American Datum of 1983, in NW 1/4 SW 1/4 sec.20, T.7 N., R.21 E., Milwaukee County, WI, Hydrologic Unit 04040003,
GROUNDWATER RECORDS
DATUM - Land-surface datum is 689.82 ft above North American Vertical Datum of 1988. Measuring point: Adjusted MP elev after measuring on 7/24/18, 5.25 ft above land-surface datum, Jun. 22, 2018 to present; top of casing, 5.21 ft above land-surface datum, Jun. 22, 2018 to present.
PERIOD OF RECORD - June 2018 to current year.