USGS Water-Year Summary 2024
481713105052804 29N51E09ABBA04
Alluvial aquifers
Quaternary Alluvium
LOCATION - Lat 48°17'13", long 105°05'28" referenced to North American Datum of 1927, in NW 1/4 NW 1/4 NE 1/4 sec.09, T.29 N., R.51 E., Roosevelt County, MT, Hydrologic Unit 10060003,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 36 ft. Upper casing diameter 4 in; top of first opening 8 ft, bottom of last opening 33 ft. Drilled June 22, 1993.
DATUM - Land-surface datum is 2,038.5 ft above National Geodetic Vertical Datum of 1929. Measuring point: MP changed do to addition of new recorder shelter, 3.35 ft above land-surface datum, Mar. 11, 2008 to present.
PERIOD OF RECORD - June 2006 to present.
GAGE - Digital water-level recorder set to record every hour from June 2006 to present.
COOPERATION - Fort Peck Tribes.
PERIOD OF DAILY RECORD - June 2006 to present.
EXTREMES FOR PERIOD OF RECORD - Highest instantaneous water level, 4.24 ft below land-surface datum, June 22 and 23, 2011; lowest, 9.17 ft below land-surface datum, November 15, 2007.