USGS Water-Year Summary 2023
344333080503600 LAN- 497
Piedmont and Blue Ridge crystalline-rock aquifers
Regolith
LOCATION - Lat 34°43'33.5", long 80°50'36.0" referenced to North American Datum of 1983, Lancaster County, SC, Hydrologic Unit 03050103, located at the Lancaster County Airfield, at SC Hwy 9, 4.0 miles northwest of Lancaster, SC.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 58 ft. Upper casing diameter 4 in; top of first opening 38 ft, bottom of last opening 58 ft.
DATUM - Land-surface datum is 511 ft above North American Vertical Datum of 1988. Measuring point: Top of casing, 2.75 ft above land-surface datum, Aug. 26, 2011 to present; Altitude of top of well casing, distance above land-surface datum not defined, Sep. 27, 2016 to present. Land-surface datum is 511.39 ft above North American Vertical Datum of 1988. Measuring point: Top of casing, 2.75 ft above land-surface datum, Aug. 26, 2011, to present.
PERIOD OF RECORD - January 2010 to current year.
GAGE - Data collection platform--60 minute collection interval.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 20.52 ft below land-surface datum, Dec. 31, 2015; lowest water level, 35.21 ft below land-surface datum, Sep. 23, 2011.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - March 2010 to current year.
INSTRUMENTATION - Tipping bucket raingage and data collection platform.