USGS Water-Year Summary for Site 362231079410801

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	72019 Water level, depth LSD(Max.,Min.,Mean)

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Water year 2025: 2025-10-01 to 2026-09-30

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USGS Water-Year Summary 2025

362231079410801 RK-239, NCDENR UPPER PIEDMONT RESEARCH STATION MW-S3S NEAR REIDSVILLE, NC (REGOLITH)

Piedmont and Blue Ridge crystalline-rock aquifers
Saprolite

LOCATION - Lat 36°22'31", long 79°41'08" referenced to North American Datum of 1983, Rockingham County, NC, Hydrologic Unit 03010103, 0.2 mi north of Wentworth Road (Secondary Road 1998), 0.5 mi west of U.S. Highways 158/29, and 1.5 mi northwest of Reidsville.

GROUNDWATER RECORDS

WELL CHARACTERISTICS - Depth 38 ft. Upper casing diameter 4 in; top of first opening 23 ft, bottom of last opening 38 ft. Depth 38.07 ft (sounding on 01/02/2024). Upper casing diameter 4 in; top of first opening 23 ft, bottom of last opening 38 ft.

DATUM - Land-surface datum is 705.16 ft above National Geodetic Vertical Datum of 1929. Measuring point: top of protective steel casing at lock bracket, 2.99 ft above land-surface datum, Apr. 10, 2002 to Jan. 22, 2009; Floor of instrument shelf, 3.0 ft above land-surface datum, Jan. 22, 2009 to present.

The land surface datum is 704.6 ft above the North American Vertical Datum of 1988 NAD83(2011) Geoid 18 as determined by a level II static survey performed on January 11, 2023.

Land-surface datum previously reported as 705.16 ft above National Geodetic Vertical Datum of 1929. Measuring point: top of protective steel casing at lock bracket, 2.99 ft above land-surface datum, Apr. 10, 2002 to Jan. 22, 2009; Floor of instrument shelf, 3.0 ft above land-surface datum, Jan. 22, 2009 to present.

PERIOD OF RECORD - May 2002 to October 2009, March 2014 to current year.

GAGE - Measured periodically by USGS and North Carolina Division of Environment and Natural Resources.

REMARKS - Well is part of North Carolina Department of Environment and Natural Resources groundwater network.

EXTREMES FOR PERIOD OF RECORD - Highest water level measured, 17.62 ft below land-surface datum, March 21, 2019; lowest water level measured, 25.45 ft below land-surface datum, October 26, 2009.