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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
392931076410301 BA Dc 444
Piedmont and Blue Ridge crystalline-rock aquifers
Cockeysville Marble
Cockeysville Marble
LOCATION - Lat 39°29'33.36", long 76°41'04.67" referenced to North American Datum of 1983, Baltimore County, MD, Hydrologic Unit 02060003, at Oregon Ridge Park.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 300 ft. Upper casing diameter 6 in; top of first opening 88 ft, bottom of last opening 300 ft. Drilled, observation, water-table well, open hole below 88 ft.
DATUM - Land-surface datum is 394.6 ft above North American Vertical Datum of 1988. Measuring point: Top of recorder shelter platform, 1.1 ft above land-surface datum, Sep. 26, 1988 to Mar. 9, 1990; TOP OF CASING - NEW CAP, 1.11 ft above land-surface datum, Mar. 8, 1990 to Oct. 3, 1998; Top of recorder shelter platform, 1.62 ft above land-surface datum, Nov. 3, 1998 to Sep. 8, 2022; Top of locking cap collar, 1.58 ft above land-surface datum, Sep. 8, 2022 to present.
PERIOD OF RECORD - September 1988 to current year.
GAGE - Water Year 2023: Records good. Missing data due to upgrade/camerawork.
Water Year 2021: Records good. Missing data due to equipment malfunction.
Water Years 2014-2020: Records good.
Water Year 2013 and prior years' accuracy statements can be found in Annual Water Data Reports.
Water-level measurements by U.S. Geological Survey personnel. Equipped with digital water-level recorder--30-minute recorder interval from November 1998 to current year.
Water-level measurements by U.S. Geological Survey personnel. Equipped with digital water-level recorder--30-minute recorder interval from November 1998 to current year.
REMARKS - Maryland Groundwater-Level Monitoring Network and Climate Response Network (CRN) observation well.
EXTREMES FOR PERIOD OF RECORD - Highest water level measured, 29.74 ft below land surface, March 31, 2019 (recorder); lowest measured, 45.90 ft below land surface, November 11, 2002 (recorder).
