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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

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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 2014-07-02  2014-10-30
00060 Discharge 2007-10-01  2014-10-30
00010 Temperature, water [15 ft downstream of gage.] 2011-03-09  2014-10-30

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Instantaneous-data availability statement


Gage height, feet

Most recent instantaneous value: 1.49   10-30-2014  12:00 EST
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Discharge, cubic feet per second

Most recent instantaneous value: 35   10-30-2014  12:00 EST
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Daily discharge, cubic feet per second -- statistics for Oct 30 based on 14 years of record more
Min
(2003)
25th
percen-
tile
Most Recent
Instantaneous
Value Oct 30
Median 75th
percen-
tile
Mean Max
(2013)
13 29 35 80 181 252 2190


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

Most recent instantaneous value: 12.7   10-30-2014  12:00 EST
Graph of  Temperature, water, degrees Celsius, [15 ft downstream of gage.]

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