USGS Water-Year Summary 2024
450947090483902 TA-31/04W/13-0001
Sand and gravel aquifers (glaciated regions)
Quaternary System
LOCATION - Lat 45°09'47.20", long 90°48'40.84" referenced to North American Datum of 1983, in SW 1/4 SW 1/4 SE 1/4 sec.13, T.31 N., R.4 W., Taylor County, WI, Hydrologic Unit 07050005, in the city of Gilman.
GROUNDWATER RECORDS
DATUM - Land-surface datum is 1,209.9 ft above North American Vertical Datum of 1988. Measuring point: Unknown, 2.0 ft above land-surface datum, Jan. 1, 1949 to May. 27, 1995; top of platform, 2.3 ft above land-surface datum, May. 26, 1995 to Jul. 14, 2006; Top of Shelter Floor, 2.09 ft above land-surface datum, Jul. 13, 2006 to Apr. 8, 2014; top of shelter platform, 2.05 ft above land-surface datum, Apr. 7, 2014 to present.
PERIOD OF RECORD - January 1949 to current year.