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Water-Year Summary for Site 01581810

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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
01581810 GUNPOWDER FALLS AT HOFFMANVILLE, MD
LOCATION - Lat 39°41'23.3", long 76°46'53.3" referenced to North American Datum of 1983, Baltimore County, MD, Hydrologic Unit 02060003, on left bank 500 ft upstream from bridge on Gunpowder Road, 0.4 mi upstream from Walker Run, 0.5 mi north of Hoffmanville, and 0.7 mi upstream from Prettyboy Reservoir.
DRAINAGE AREA - 27 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - April 2000 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 543.60 ft above North American Vertical Datum of 1988.
REMARKS -
  • Water Year 2021-2022: Records fair, except those above 420 ft³/s and for estimated discharges, which are poor.
  • Water Years 2019-2020: Records good, except those for estimated discharges, which are poor.
  • Water Year 2018: Records fair, except those for estimated discharges, which are poor.
  • Water Year 2017: Records good, except those for the period August 11-September 30, which are fair, and those for estimated discharges, which are poor.
  • Water Year 2016: Records good, except those above 200 ft³/s and those for the period August 1-September 30, which are fair, and those for estimated daily discharges, which are poor.
  • Water Years 2014-2015: Records good, except those above 200 ft³/s, which are fair, 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.

    • U.S. Geological Survey satellite data-collection platform at station.