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Water-Year Summary for Site 01594440

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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
00060 Discharge(Mean)  

Water year 2022: 2021-10-01 to 2022-09-30

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USGS Water-Year Summary 2022
LOCATION - Lat 38°57'21.3", long 76°41'37.3" referenced to North American Datum of 1983, Anne Arundel County, MD, Hydrologic Unit 02060006, on left bank upstream from bridge on U.S. Highway 50 (John Hanson Highway), 3.0 mi east of Bowie City Hall, 3.1 mi downstream from mouth of Little Patuxent River, 4.2 mi northwest of Davidsonville, and 60 mi upstream from mouth.
DRAINAGE AREA - 348 mi².
PERIOD OF RECORD - April 1955 to June 1977 (gage heights and discharge measurements only), June 1977 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 12.32 ft above North American Vertical Datum of 1988. Prior to June 27, 1977, nonrecording gage at same site and gage datum.
  • Water Years 2020-2022: Records good.  No estimated discharges.
  • Water Years 2018-2019: Records good, except those for estimated discharges, which are poor.
  • Water Year 2017: Records good.  No estimated discharges.
  • Water Years 2014-2016: Records good, except those for estimated daily discharges, which are poor.
  • Water Year 2013 and prior years' accuracy statements can be found in Annual Water Data Reports.

  • Flow regulated by T. Howard Duckett Reservoir, usable capacity 5,600,000,000 gal, 21 mi upstream from station. U.S. Geological Survey satellite data-collection platform at station.