USGS Water-Year Summary 2024
480728105243901 27N49E05ADAB01 TC-MW
LOCATION - Lat 48°07'28", long 105°24'39" referenced to North American Datum of 1983, in NE 1/4 SE 1/4 NE 1/4 sec.05, T.27 N., R.49 E., Roosevelt County, MT, Hydrologic Unit 10060001,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 59 ft. Upper casing diameter 5 in; top of first opening 49 ft, bottom of last opening 59 ft.
DATUM - Land-surface datum is 1,979 ft above North American Vertical Datum of 1988. Measuring point: top of casing, 1.1 ft above land-surface datum, Oct. 9, 2018 to present; Edge of 1/2" diameter access hole drilled in floor of instrumentation shelter, 1.17 ft above land-surface datum, Apr. 15, 2021 to present.
PERIOD OF RECORD - October 2018 to current year.
GAGE - Water-level recorder.
PERIOD OF DAILY RECORD - October 2018 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest water level 10.06 ft below land-surface datum, 05/19/2020 (recorded); lowest water level 16.39 ft below land-surface datum, 03/17/2019 and 3/19/2019 (recorded).