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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.
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USGS Water-Year Summary 2024
391451076425001 BA Gc 63
Piedmont and Blue Ridge crystalline-rock aquifers
Saprolite
Saprolite
LOCATION - Lat 39°14'50.99", long 76°42'49.92" referenced to North American Datum of 1983, Baltimore County, MD, Hydrologic Unit 02060003, at the U.S. Geological Survey MD-DE-DC Water Science center, 2 mi southeast of Catonsville.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 57 ft. Upper casing diameter 4 in; top of first opening 47 ft, bottom of last opening 57 ft. Drilled, observation, water-table well.
DATUM - Land-surface datum is 170.73 ft above North American Vertical Datum of 1988. Measuring point: Top of PVC casing, 2.18 ft above land-surface datum, Jun. 16, 2010 to present.
PERIOD OF RECORD - March 2011 to current year.
GAGE - Water-level measurements by U.S. Geological Survey personnel. Equipped with digital water-level recorder--15-minute recording interval, March 2011 to February 2012 (discontinued).
EXTREMES FOR PERIOD OF RECORD - Highest water level measured, 15.53 ft below land surface, September 8, 2011 (recorder); lowest measured, 17.13 ft below land surface, July 31 through August 2, 2014.
