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    All Maryland-Delaware-District of Columbia times are reported in Eastern Standard Time (EST). To convert to Eastern Daylight Time (EDT) add 1 hour.


    USGS 01581920 GUNPOWDER FALLS NEAR PARKTON, MD

    PROVISIONAL DATA SUBJECT TO REVISION

    Click to hidestation-specific text
    LOCATION.--Lat 39°37'08.0", long 76°41'25.1", Baltimore County, Hydrologic Unit 02060003,
       on left bank at downstream side of bridge on Falls Road, and 1.0 mi downstream from Prettyboy Reservoir.
    DRAINAGE AREA.--81.5 mi2.
    PERIOD OF RECORD.--July 2000 to current year.
    GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 355.43 ft above North American 
       Vertical Datum of 1988. November 1982 to November 1990, non-recording gage 100 ft downstream.
    REMARKS.--Flow regulated by Prettyboy Reservoir 1.0 mi upstream, beginning April 10, 1933,
       for water supply of Baltimore City (usable capacity, 20,000,000,000 gal; dead storage, 1,080,000,000 gal).
       U.S. Geological Survey satellite data-collection platform at station.
    EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 9,000 ft3/s, September 8, 2011,
       gage height, 11.62 ft; minimum discharge, 5.0 ft3/s, Oct. 24, 2002.
    COOPERATION.--Funding for the operation of this station is provided by the Baltimore City Department of
       Public Works, and the U.S. Geological Survey.
    
    This station managed by the MD-DE-DC Water Science Center, Baltimore office.

    Available Parameters Available Period
    All 3 Available Parameters for this site
      
    00065 Gage height 2014-05-05  2014-09-02
    00060 Discharge 2007-10-01  2014-09-02
    00010 Temperature, water [15 ft downstream of gage.] 2011-03-09  2014-09-02

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    Summary of all available data for this site
    Instantaneous-data availability statement


    Gage height, feet

    Most recent instantaneous value: 1.82   09-02-2014  06:00 EST
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    Discharge, cubic feet per second

    Most recent instantaneous value: 78   09-02-2014  06:00 EST
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    Daily discharge, cubic feet per second -- statistics for Sep 2 based on 14 years of record more
    Min
    (2006)
    25th
    percen-
    tile
    Most Recent
    Instantaneous
    Value Sep 2
    Mean Median 75th
    percen-
    tile
    Max
    (2001)
    30 64 78 100 106 116 221


    Temperature, water, degrees Celsius, [15 ft downstream of gage.]

    Most recent instantaneous value: 11.0   09-02-2014  06:00 EST
    Graph of  Temperature, water, degrees Celsius, [15 ft downstream of gage.]

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