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STATION.--01472198 PERKIOMEN CREEK AT EAST GREENVILLE, PA
LOCATION.--Lat 40`23'38", long 75`30'57", Montgomery County, Hydrologic Unit 02040203, on right bank 100 ft upstream from bridge on Church Road, 0.9 mi upstream from Molasses Creek, and 1.0 mi southwest of East Greenville.
DRAINAGE AREA.--38.0 square miles.
PERIOD OF RECORD.--October 1981 to current year.
GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 287.5 ft above North American Vertical Datum of 1988 (from GNSS survey). Prior to February 7, 2022, gage included broad-crested concrete control at datum 2.0 ft higher. Prior to September 23, 2024, the datum of gage was reported as 288.5 ft above National Geodetic Vertical Datum (NGVD29) or erroneously reported as 286.5 ft above NGVD29 depending on source. Satellite telemetry at station.
COOPERATION.--Funding for the operation of this station is provided by the Delaware River Basin Commission.
GAGE HEIGHTS OF IMPORTANCE.-
Supplied by USGS: Data transmitter operational limit - 22.1 ft;
Supplied by NWS: Action stage-3 ft; Flood stage-4 ft, at 4.25 ft, Water Street is closed between Rte 29 and State Street; Moderate flood stage-7 ft; Major flood stage-9 ft.