USGS Water-Year Summary 2024
361011079595401 GU-659, AT OAK RIDGE (SURFICIAL)
Piedmont and Blue Ridge crystalline-rock aquifers
Regolith
LOCATION - Lat 36°10'11.2", long 79°59'53.8" referenced to North American Datum of 1983, Guilford County, NC, Hydrologic Unit 03030002, 600 ft southeast of Oak Ridge town hall at Oak Ridge.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 43 ft. Upper casing diameter 2 in; top of first opening 33 ft, bottom of last opening 43 ft.
DATUM - Land-surface datum is 970.1 ft above North American Vertical Datum of 1988. Measuring point: Top of PVC inside steel casing, 3.95 ft above land-surface datum, Dec. 30, 2008 to Dec. 18, 2014; Top of PVC casing inside steel casing, 3.95 ft above land-surface datum, Dec. 18, 2014 to present.
PERIOD OF RECORD - January 2009 to current year.
PRECIPITATION: January 2009 to January 2013 (station number 361011079595445).
GAGE - Water-level recorder collecting data at 15-minute intervals. Satellite telemetry at site.
EXTREMES FOR PERIOD OF RECORD - Highest water level recorded, 13.98 ft below land-surface datum, April 10, 2021; lowest water level recorded, 23.48 ft below land-surface datum, October 1, 2015.