USGS Water-Year Summary 2023
430259088024803 ML-07/21E/20-8034
Sand and gravel aquifers (glaciated regions)
Sand and Gravel Aquifer
LOCATION - Lat 43°02'59.28", long 88°02'47.78" 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 692.46 ft above North American Vertical Datum of 1988. Measuring point: Top of casing, 4.52 ft above land-surface datum, Aug. 14, 2020 to present.
PERIOD OF RECORD - Oct 2020 to current year.