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USGS Water-Year Summary 2024
345830081033100 YRK-3295
Piedmont and Blue Ridge crystalline-rock aquifers
Bedrock
Bedrock
LOCATION - Lat 34°58'30.60", long 81°03'31.50" referenced to North American Datum of 1983, York County, SC, Hydrologic Unit 03050103, about 3.0 miles northwest of the City of Rock Hill, SC, near the intersection of SC Hwy 274 (Ebenezer Road) and SC Hwy 161 (Celanese Road).
REVISIONS HISTORY -
Revisions: Groundwater levels for the period Nov. 10, 2021, to Jan. 31, 2022, were revised on June 14, 2022, based on changes to a water-level correction.
The station name was changed on Aug. 31, 2023, which was originally YRK-3295 YORK COUNTY AIRPORT (BEDROCK).
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 300 ft. Upper casing diameter 6 in; top of first opening undefined, bottom of last opening undefined.
DATUM - Land-surface datum is 678.47 ft above North American Vertical Datum of 1988. Measuring point: ADMIN GW WL CLEAN UP, 0 ft above land-surface datum, Jul. 13, 2010 to Aug. 26, 2011; Top of casing - Measurement done by real-time corrected GPS, 3.55 ft above land-surface datum, Aug. 26, 2011 to Jan. 28, 2022; Altitude of top of well casing, 681.38 ft above land-surface datum, Sep. 6, 2016 to Nov. 15, 2022; Top of casing - Measurement done by real-time corrected GPS, 3.15 ft above land-surface datum, Jan. 28, 2022 to present; Three hacksaw marks on south rim of steel well housing. Measuring point was raised after resetting protective cap in concrete on 01/27/2022 after gage was destroyed on 01/23/2022, 3.83 ft above land-surface datum, Jan. 28, 2022 to present.
Land-surface datum is 678.47 ft above North American Vertical Datum of 1988. Measuring point: Three hacksaw marks on south rim of steel well housing, which has an elevation of 3.83 ft above land-surface datum. The measuring point was raised after resetting the protective cap in the concrete on 01/27/2022 after the gage had been destroyed on 01/23/2022.
PERIOD OF RECORD - September 2010 to current year.
GAGE - Data collection platform--15 minute collection interval.
EXTREMES FOR PERIOD OF RECORD - Highest water-level, 18.74 ft below land-surface datum, which occurred on Jun. 3, 2020; Lowest water-level, 29.69 ft below land-surface datum, Dec. 14, 23-24, 2012.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - September 2010 to October 2022.
INSTRUMENTATION - Tipping bucket raingage and data collection platform. The raingage was discontinued on November 10, 2022.
REMARKS -
For Water Years 2010-2016: Frozen precipitation may not be reflected in daily or monthly totals. For Water Year 2017: Frozen precipitation collected during January and March 2017 is not reflected in daily or monthly totals. For Water Year 2018: Frozen precipitation collected during December 2017, 2018 is not reflected in daily or monthly totals. For Water Year 2019: Frozen precipitation collected during December 2018 and April 2019 is not reflected in daily or monthly totals. For Water Year 2020: Frozen precipitation collected during February 2020 is not reflected in daily or monthly totals.
For Water Year 2021: Frozen precipitation collected during January and February 2021 is not reflected in daily or monthly totals.
For Water Year 2022: Frozen precipitation collected during January 2022 is not reflected in daily or monthly totals.
