USGS Water-Year Summary 2024
393749079190301 GA Bc 1
Valley and Ridge aquifers
Hampshire Formation
LOCATION - Lat 39°37'47.20", long 79°19'03.80" referenced to North American Datum of 1983, Garrett County, MD, Hydrologic Unit 05020006, at Accident.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 20 ft. Upper casing diameter 36 in; top of first opening undefined, bottom of last opening undefined. Dug, stone-lined, domestic, water-table well, depth 20.8 ft; diameter 36 in.
DATUM - Land-surface datum is 2,392.37 ft above North American Vertical Datum of 1988. Measuring point: TOP OF 1 IN. BOARD COVER, 2.3 ft above land-surface datum, Aug. 12, 1949 to Mar. 31, 2016; mp at well hole in new well box, 2.55 ft above land-surface datum, Mar. 31, 2016 to Oct. 4, 2024; mp at well hole in new well box, adjusted height based on movement of mp seen in levels, 2.5 ft above land-surface datum, Oct. 4, 2024 to present.
Elevation of land surface is 2,415 ft above National Geodetic Vertical Datum of 1929, from topographic map. Measuring point: Top of 1 in. board cover, 2.30 ft above land surface,undefined begin date to March 31, 2016. New MP at well hole in new well box, 2.55 ft above land-surface datum, Mar. 31, 2016 to October 3, 2024.
Levels run into site July 02, 2019 show elevation of land surface is 2392.37 ft above North American Vertical Datum of 1988 starting July 02, 2019 to present.
PERIOD OF RECORD - August 1949 to February 2004, November 2010 to current year.
GAGE -
Water Year 2024: Record fair due to datum issue.
Water Year 2023: Record good. Missing data due to equipment malfunction.
Water Year 2020-2022: Record good.
Water Year 2019: Record good. Missing data due to equipment malfunction.
Water Year 2018: Record good.
Water Year 2017: Record good.
Water Year 2016: Record good.
Water-level measurements by U.S. Geological Survey personnel. Equipped with digital water-level recorder--15-minute recording interval, April 2016 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest water level measured, 2.25 ft below land surface, March 6, 1979; lowest measured, 19.65 ft below land surface, December 9, 1953.