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Water-Year Summary for Site 01660920

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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 2023: 2022-10-01 to 2023-09-30
 

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USGS Water-Year Summary 2023
01660920 ZEKIAH SWAMP RUN NEAR NEWTOWN, MD
LOCATION - Lat 38°29'26.1", long 76°55'37.5" referenced to North American Datum of 1983, Charles County, MD, Hydrologic Unit 02070011, on downstream left side of bridge on State Highway 6, 1.0 mi southeast of Newtown, and 1.7 mi downstream from Kerrick Swamp.
DRAINAGE AREA - 79.9 mi².
REVISIONS HISTORY - WDR MD-DE-DC-05-1: 2004, WDR-US-2012: 2011.
SURFACE-WATER RECORDS
PERIOD OF RECORD - June 1983 to September 2005. October 2006 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 34.05 ft above North American Vertical Datum of 1988. June 22, 2017 to September 19, 2019, water-stage recorder at site 60 ft downstream at same gage datum.
REMARKS -
  • Water Year 2022: Records poor, including those for estimated discharges.
  • Water Years 2020-2021: Records good.  No estimated discharges.
  • Water Years 2017-2019: Records fair, except those for estimated discharges, which are poor.
  • Water Years 2015-2016: Records good, except those for estimated daily discharges, which are poor.
  • Water Year 2014: Records good, except those below 0.5 ft³/s, and those for estimated daily discharges, which are poor.
  • Water Year 2013 and prior years' accuracy statements can be found in Annual Water Data Reports.

  • Low flow affected by groundwater diversions from municipal well fields at Waldorf and St. Charles, and occasional farm irrigation upstream from station during summer months. U.S. Geological Survey satellite data-collection platform at station.