STATION.--03107500 BEAVER RIVER AT BEAVER FALLS,
LOCATION.--Lat 40`45'48", long
80`18'55", Beaver County, Hydrologic Unit 05030104, on left
bank at Beaver Falls, 200 ft upstream from pumping plant of Beaver
Falls Municipal Authority, 7.0 mi downstream from Connoquenessing
Creek, and at mile 5.5.
DRAINAGE AREA.--3,106 mi2.
PERIOD OF RECORD.--October 1935 to current year
(fragmentary records only prior to October 1956). Gage-height records
collected at same site since 1908 are contained in reports of U.S.
GAGE.--Water-stage recorder and concrete dam control.
Datum of gage is 727.48 ft above National Geodetic Vertical Datum of
1929 (U.S. Army Corps of Engineers bench mark). Prior to Dec. 3, 1941,
nonrecording gage at site 200 ft downstream at same datum.
REMARKS.--Pumpage from gage pool, averaging 3.4 ft3/s
in 1935 and 6.0 ft3/s at present, for local water supply returns to
river 2 mi downstream; information furnished by Beaver Falls Municipal
Authority. Flow regulated since 1942 by Berlin Lake, since 1916 by
Milton Reservoir, since 1966 by Michael J. Kirwan Reservoir, since 1943
by Mosquito Creek Lake, since 1929 by Meander Creek Reservoir, since
1933 by Pymatuning Reservoir, since 1967 by Shenango River Lake, all
over 50 mi upstream, and since 1969 by Lake Arthur 29 mi upstream. U.S.
Army Corps of Engineers satellite telemeter at station.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Mar. 27,
1913 reached a stage of 17.4 ft, discharge, 103,000 ft3/s, from rating
curve extended above 60,000 ft3/s.
GAGE HEIGHTS OF IMPORTANCE.-
Supplied by NWS: Action stage-12 ft; Flood stage-15
ft; Moderate flood stage-17 ft; Major flood stage-19 ft.
COOPERATION.--Station established and maintained by
the U.S. Geological Survey. Funding for the operation of this station
is provided by the U.S. Army Corps of Engineers, Pittsburgh District,
the Pennsylvania Department of Environmental Protection, and the U.S.
Geological Survey through the Cooperative Water Program.