USGS Water-Year Summary 2023
430259088024701 ML-07/21E/20-8016
Sand and gravel aquifers (glaciated regions)
Sand and Gravel Aquifer
LOCATION - Lat 43°02'59.51", long 88°02'47.50" 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 692.96 ft above North American Vertical Datum of 1988. Measuring point: top of casing, 4.98 ft above land-surface datum, Jun. 22, 2018 to Jul. 24, 2018; top of casing, 4.19 ft above land-surface datum, Jul. 24, 2018 to present.
PERIOD OF RECORD - July 2018 to current year.