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Water-Year Summary for Site 01580620

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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.
Available Parameters
00065 Gage height(Tid.,Tid.)  

Water year 2021: 2020-10-01 to 2021-09-30

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USGS Water-Year Summary 2021
LOCATION - Lat 39°32'15.9", long 76°05'22.5" referenced to North American Datum of 1983, Harford County, MD, Hydrologic Unit 02060003, at Pier 1 in City Yacht Basin, at Millard E. Tydings Memorial Park, at Havre De Grace, and 0.4 mi southwest from mouth of Susquehanna River.
DRAINAGE AREA - Not determined.
PERIOD OF RECORD - October 2012 to current year.
GAGE - Water-stage recorder. Datum of gage is 0.00 ft above North American Vertical Datum of 1988.
  • Water Year 2021: Records good.
  • Water Year 2020: Records fair. 
  • Water Year 2019: Records fair. Missing data due to firmware update.
  • Water Year 2018: Records good.  Missing data due to water level dropping below elevation of sensor.
  • Water Year 2017: Records fair.
  • Water Years 2014-2016: Records good. Missing data due to recorder malfunction or water level dropping below elevation of sensor.
  • Water Year 2013 and prior years’ accuracy statements can be found in Annual Water Data Reports.

  • This is a tidal station. Discharge is not determined at this location. Gage heights can be affected by regulation at Conowingo Dam, approximately 10 mi upstream. U.S. Geological Survey satellite data-collection platform at station.
    EXTREMES FOR PERIOD OF RECORD - Maximum elevation, 4.81 ft, Oct 30, 2012; minimum elevation, -3.02 ft, Feb 5, 2015.