USGS Water-Year Summary 2023
483127103373102 158-100-08DAA2
Sand and gravel aquifers (glaciated regions)
Little Muddy Aquifer
LOCATION - Lat 48°31'29.42", long 103°37'33.32" referenced to North American Datum of 1983, in NE 1/4 SE 1/4 sec.08, T.158 N., R.100 W., Williams County, ND, Hydrologic Unit 10110102,
GROUNDWATER RECORDS
DATUM - Land-surface datum is 1,998.82 ft above North American Vertical Datum of 1988. Measuring point: MP top of 4-in plastic casing, 1.43 ft above land-surface datum, Jun. 21, 1966 to present.
PERIOD OF RECORD -
August 1966 to current year.
EXTREMES FOR WATER YEAR 2014.--Highest water level, 23.51 ft below land-surface datum, June 15; lowest water level, 26.93 ft below land-surface datum, August 5.
EXTREMES FOR WATER YEAR 2015.--Highest water level, 24.23 ft below land-surface datum, April 11; lowest water level, 27.73 ft below land-surface datum, July 20, 21.
EXTREMES FOR WATER YEAR 2016.--Highest water level, 24.74 ft below land-surface datum, April 9; lowest water level, 26.95 ft below land-surface datum, August 24.
GAGE - Land-surface datum is 1,998.82 ft above North American Vertical Datum of 1988 (NAVD88).
EXTREMES FOR PERIOD OF RECORD - Highest water level, 22.62 ft below land-surface datum, June 23, 24, 2011; lowest water level, 34.36 ft below land-surface datum, July 28, 2008.