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Water-Year Summary for Site 01639000

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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
01639000 MONOCACY RIVER AT BRIDGEPORT, MD
LOCATION - Lat 39°40'44.6", long 77°14'04.3" referenced to North American Datum of 1983, Frederick County, MD, Hydrologic Unit 02070009, on right bank at downstream side of bridge on State Highway 140 at Bridgeport, 0.9 mi upstream from Cattail Branch, 3.4 mi northwest of Taneytown, 4.8 mi downstream from confluence of Rock and Marsh Creeks at Pennsylvania-Maryland State line, and 52 mi upstream from mouth.
DRAINAGE AREA - 173 mi².
REVISIONS HISTORY - WSP 1382: 1944(M).
SURFACE-WATER RECORDS
PERIOD OF RECORD - May 1942 to current year.
GAGE - Water-stage recorder and crest stage gage. Concrete control since Sept. 15, 1947. Datum of gage is 340.18 ft above North American Vertical Datum of 1988. Prior to May 3, 1946, nonrecording gage and crest-stage gages at site 0.3 mi downstream at gage datum 0.98 ft lower. July 3, 2012 to April 27, 2016, at site 60 ft downstream, at present datum.
REMARKS -
  • Water Years 2017-2023: Records good, 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 above 3,500 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.

    • Occasional regulation at low flow from Lake Heritage and other unknown sources upstream from station. U.S. Geological Survey satellite data-collection platform at station.
    EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Aug. 24, 1933, reached a stage of about 25 ft, present site and gage datum, from floodmarks, discharge, 23,000 ft³/s. Stage exceeded that of June 1889, from information by local residents.