USGS Water-Year Summary 2024
425006088271501 WW-04/17E/02-0908
Sand and gravel aquifers (glaciated regions)
Sand and Gravel Aquifer
LOCATION - Lat 42°50'06", long 88°27'15" referenced to North American Datum of 1927, in NE 1/4 NE 1/4 SW 1/4 sec.2, T.4 N., R.17 E., Walworth County, WI, Hydrologic Unit 07120006, at Lulu Lake Preserve.
GROUNDWATER RECORDS
DATUM - Land-surface datum is 845 ft above National Geodetic Vertical Datum of 1929. Measuring point: plug in casing, 3.13 ft above land-surface datum, May 21, 2015 to present.
PERIOD OF RECORD - June 1995 to current year.