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Water-Year Summary for Site 01483200

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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 39°21'58.6", long 75°40'09.8" referenced to North American Datum of 1983, New Castle County, DE, Hydrologic Unit 02040205, on left bank 15 ft downstream from highway culverts, 0.5 mi upstream from Barlow Branch, 0.6 mi southwest of Blackbird, 5.6 mi northwest of Smyrna, and 13.8 mi upstream from mouth.
DRAINAGE AREA - 4.06 mi².
PERIOD OF RECORD - Annual maximum, water years 1952-56, and occasional low-flow measurements, water years 1952-53, 1955-56. October 1956 to current year.
GAGE - Water-stage recorder. Concrete control since May 23, 1968. Datum of gage is 17.11 ft above North American Vertical Datum of 1988. Mar. 5, 1951 to Oct. 16, 1956, nonrecording gage and crest-stage gage at site 15 ft upstream at gage datum 1.0 ft higher. Oct. 17, 1956 to June 16, 1986, recording gage at same site on right bank at gage datum 1.0 ft higher.
  • Water Year 2021-2022: Records good with no estimated discharges. 
  • Water Years 2017-2020: Records good, except those for estimated discharges, which are poor.
  • 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.

  • Occasional regulation at low and medium flow by Blackbird Lake Dam, upstream from station. U.S. Geological Survey satellite data-collection platform at station.