--01465500 NESHAMINY CREEK NEAR LANGHORNE,
--Lat 40`10'26", long
74`57'26", Bucks County, Hydrologic Unit 02040201, on left
bank at bridge on State Highway 213, 0.3 mi downstream from Mill Creek,
and 1.7 mi west of Langhorne.
PERIOD OF RECORD.
--October 1934 to current year.
--Water-stage recorder. Datum of gage is 40.57 ft
above National Geodetic Vertical Datum of 1929. Satellite telemetry at
GAGE HEIGHTS OF IMPORTANCE
Supplied by USGS
: Maximum recordable gage height
(stage sensor operational limit) - 21.7 ft; Data transmitter
operational limit - 22.2 ft;
Supplied by NWS
: Action stage-8 ft; Flood stage-9 ft,
some homes flood in Langhorne Terrace; Moderate flood stage-10 ft, some
homes in the area of the Langhorne gage are evacuated; Major flood
stage-12 ft, at 11 ft, considerable damage is reported throughout the
Lower Neshaminy Creek basin;
EXTREMES OUTSIDE PERIOD OF RECORD.
--Flood of Aug. 23,
1933 reached a stage of 17.3 ft, from floodmark, discharge, 30,000
ft3/s, from rating curve extended above 4,700 ft3/s, on basis of
contracted-opening measurement at gage height 15.94 ft, and slope-area
measurement of peak flow.
--Station established and maintained by
the U.S. Geological Survey. Funding for the operation of this station
is provided by the Bucks County Commissioners, the Pennsylvania
Department of Environmental Protection, and the U.S. Geological Survey
through the Cooperative Water Program.