Funding for this site is provided by:
--01473900 Wissahickon Creek at Fort
--Lat 40 07'26", long 75
13'13", Montgomery County, Hydrologic unit 02040203, on left
bank of downstream side of bridge on State Highway 73, 0.5 mi
downstream from Sandy Run, and 1 mi south of Fort Washington.
--40.8 square miles.
PERIOD OF RECORD.
--June 2000 to current year.
September 1961 to March 1969; Annual maximum October 1969 to September
1979, at site and datum then in use.
--Water-stage recorder and water-quality monitor.
Datum of gage is 139.98 ft above National Geodetic Vertical Datum of
1929. From September 1961 to March 1969, gage at present site, at datum
140.70 ft above National Geodetic Vertical Datum of 1929. Satellite
telemetry at station.
--Funding for the operation of this
station is provided by the Delaware River Basin Commission and the City
of Philadelphia, Water Department.
of water-quality instrumentation is conducted exclusively by
Philadelphia Water Department personnel with USGS oversight. Erroneous
or missing data, resulting from instrument malfunction, are not the
responsibility of USGS.
Regulation is unknown; possible
minor pumping and withdrawals upstream, probably from treatment
facilities or water intakes. The continuous water-quality monitor
operated by the Philadelphia Water Department is located at Lat
40`07'26.1", Long 75`13`07.1", approximately 350 feet
upstream of gage.
GAGE HEIGHTS OF IMPORTANCE
Supplied by USGS
: Data transmitter operational limit -
17.9 ft, at 12.9 ft, road overflow begins.
Supplied by NWS
: No flood stage has been determined
for this station.