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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 2025
01661499 ST MARYS LAKE NEAR CALLAWAY, MD
LOCATION - Lat 38°15'10.0", long 76°32'00.5" referenced to North American Datum of 1983, St. Mary's County, MD, Hydrologic Unit 02070011,
DRAINAGE AREA - 8.72 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - March 2024 to present.
GAGE -
- Water Year 2024: Records fair.
Water stage recorder and tipping-bucket precipitation gage. Datum of gage is -2.071 ft above North American Vertical Datum of 1988.
COOPERATION - Funding for the operation of this station is provided by the St. Mary's County Department of Emergency Services.
REMARKS - Discharge is not determined at this location. U.S. Geological Survey data-collection platform at station.
EXTREMES FOR PERIOD OF RECORD - Maximum elevation, 61.77 ft, March 28, 2024; minimum elevation, 60.66 ft, November 10, 2024.
