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Notice: The water temperature recorded by the sensor at this site may not be representative of the temperature of the water being released by Prettyboy Dam, particularly during storm events. Overland runoff and tributary inflows between the gaging station and the dam can affect the temperature of the stream at the monitoring location.
LOCATION.--Lat 39°37'08.6", long 76°41'25.3", Baltimore County, MD, Hydrologic Unit 02060003, on left bank at downstream side of bridge on Falls Road, and 1.4 mi downstream from Prettyboy Reservoir. DRAINAGE AREA.--81.5 mi2. PERIOD OF RECORD.--July 2000 to current year. REVISIONS HISTORY.--WDR-US-2007: 2004, 2006 (M). 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.
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Value May 13