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USGS Water-Year Summary 2024
354315078300101 WK-332 RALEIGH HYDROGEOLOGIC RESEARCH STATION WC-2S NEAR RALEIGH, NC (REGOLITH)
Piedmont and Blue Ridge crystalline-rock aquifers
Saprolite
Saprolite
LOCATION - Lat 35°43'15", long 78°30'02" referenced to North American Datum of 1983, Wake County, NC, Hydrologic Unit 03020201, 9.3 mi east south east of Raleigh. Owner: NCDENR (North Carolina Department of Environment and Natural Resources), Division of Water Quality.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 28.6 ft. Upper casing diameter 4 in; top of first opening 13.6 ft, bottom of last opening 28.6 ft. Well is screened from 13.6 to 28.6 ft, sand filter packed from 7 to 28.6 ft.
DATUM - Land-surface datum is 189.36 ft above North American Vertical Datum of 1988. Measuring point: top of PVC casing, 2.51 ft above land-surface datum, Mar. 31, 2005 to Dec. 16, 2005; floor of instrument shelf, 2.69 ft above land-surface datum, Dec. 15, 2005 to present.
PERIOD OF RECORD - May 2005 to November 2009 (discontinued). Continuous record began December 2005. June 2019- present. Continuous record re-started June 2019
GAGE - Water-level recorder collecting data at 15-minute intervals. Satellite telemetry at station.
REMARKS - Well is part of Piedmont/Mountains groundwater study.
EXTREMES FOR PERIOD OF RECORD - Highest water level measured, 13.53 ft below land-surface datum, March 4, 2021; lowest water level recorded, 19.97 ft below land-surface datum, September 15, 16, 18, 19-25, 2008.
WATER-QUALITY RECORDS
WELL CHARACTERISTICS - Depth 28.6 ft. Upper casing diameter 4 in; top of first opening 13.6 ft, bottom of last opening 28.6 ft. Well is screened from 13.6 to 28.6 ft, sand filter packed from 7 to 28.6 ft.
DATUM - Land-surface datum is 189.36 ft above North American Vertical Datum of 1988. Measuring point: top of PVC casing, 2.51 ft above land-surface datum, Mar. 31, 2005 to Dec. 16, 2005; floor of instrument shelf, 2.69 ft above land-surface datum, Dec. 15, 2005 to present.
PERIOD OF RECORD - Water years 2006, 2007.
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: December 2005 to January 2007.
pH: December 2005 to January 2007.
WATER TEMPERATURE: December 2005 to January 2007.
DISSOLVED OXYGEN: January 2006 to April 2006.
INSTRUMENTATION - Water-quality monitor with satellite telemetry December 2005 to January 2007. Electronic data logger with 60-minute recording interval.
REMARKS - Well is part of Piedmont/Mountains groundwater study.
EXTREMES FOR PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Maximum recorded, 1130 microsiemens, December 16, 17, 2005; minimum recorded, 777 microsiemens, April 25, 2006.
pH: Maximum recorded, 5.3 standard units, on several days during the period; minimum recorded, 4.3 standard units, on several days during the period.
WATER TEMPERATURE: Maximum recorded, 17.2°C, January 29, 30, 2006; minimum recorded, 15.8°C, on many days during the period.
DISSOLVED OXYGEN: Maximum recorded, 7.8 mg/L, April 4, 10, 2006; minimum recorded, 6.2 mg/L, January 23, February 15, 2006.
DISSOLVED OXYGEN, PERCENT SATURATION: Maximum recorded, 80%, April 4, 10, 2006; minimum recorded, 64%, January 23, February 15, 2006.
