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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2025
462641110561701 08N06E23ABBC01
Lower Tertiary aquifers
Sediments
Sediments
LOCATION - Lat 46°26'41", long 110°56'17" referenced to North American Datum of 1927, in NW 1/4 NW 1/4 NE 1/4 sec.23, T.8 N., R.6 E., Meagher County, MT, Hydrologic Unit 10030103,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 107 ft. Upper casing diameter undefined; top of first opening undefined, bottom of last opening undefined. The well is constructed with an open end, the first opening is at 107 ft.
DATUM - Land-surface datum is 5,096 ft above North American Vertical Datum of 1988. Measuring point: top of PVC casing extension, 1.9 ft above land-surface datum, Oct. 23, 1974 to present.
PERIOD OF RECORD - October 2008 to April 2024.
GAGE - Routine measurement with e-tape October 2008 to current year. Pressure transducer with data logger set to record every hour February 2009 to current year.
PERIOD OF DAILY RECORD - February 2009 to April 2024.
EXTREMES FOR PERIOD OF RECORD - Lowest instantaneous value below land surface datum was 90.21 ft on 9/21/2009 (recorded). Highest instantaneous water level was 82.73 ft on 05/12/2020 (recorded).
EXTREMES OUTSIDE PERIOD OF RECORD - Highest instantaneous water level, 75 ft below land-surface datum, October 23, 1974 (reported when drilled).
