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STATION.--01589300 GWYNNS FALLS AT VILLA NOVA, MD
LOCATION.--Lat 39°20'45.2", long 76°43'59.5", Baltimore County, Hydrologic Unit 02060003,
on right bank 300 ft downstream from bridge on Essex Road, 300 ft north of State Highway 26 (Liberty Road),
in Villa Nova, 1.1 mi west of Baltimore city limits, and 11.5 mi upstream from mouth.
DRAINAGE AREA.--32.5 mi2.
PERIOD OF RECORD.--February 1957 to September 1988, October 1996 to current year.
REVISED RECORDS.--WDR MD-DE-83: 1981-82(P). WDR MD-DE-84: 1981(P).
GAGE.--Water-stage recorder. Datum of gage is 361.32 ft above National Geodetic Vertical Datum of 1929
(Baltimore County bench mark). Prior to Aug. 27, 1963 and Oct. 25, 1972, to Sept. 20, 1973, water-stage recorder,
and June 26, 1972 to Oct. 24, 1972, nonrecording gage, at site 300 ft upstream at same datum.
REMARKS.--Slight diurnal fluctuation at times from unknown source upstream from station. Small diversion for
irrigation upstream from station. U.S. Geological Survey gage-height telemeter at station. Water-quality records
for some prior years have been collected at this station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 16,200 ft3/s, Jun. 22, 1972,
gage height, 21.50 ft; minimum discharge, 1.7 ft3/s, Sep. 7, 8, 1966.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of July 21, 1956, reached a stage of 12.6 ft, discharge,
5,270 ft3/s on basis of contracted-opening measurement.
COOPERATION.--Funding for the operation of this station is provided by the Baltimore County Department of
Environmental Protection & Resource Management (DEPRM), and the U.S. Geological Survey.
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