--01451650 LITTLE LEHIGH CREEK AT TENTH
STREET BRIDGE AT ALLENTOWN, PA
--Lat 40`35"47', long
75`28'28", Lehigh County, Hydrologic Unit 02040106, on left
bank at bridge on Tenth Street, and 0.9 mi upstream from confluence
with Jordan Creek in Allentown, Pa.
--98.2 square miles.
PERIOD OF RECORD.
--October 1986 to current year.
--Water-stage recorder, crest-stage gage and
concrete control. Datum of gage is 245.63 ft above National Geodetic
Vertical Datum of 1929. Satellite telemetry at station.
--Records of diversion provided by the
City of Allentown. Funding for the operation of the station is provided
by the Lehigh County Authority.
GAGE HEIGHTS OF IMPORTANCE
Supplied by USGS
: Maximum recordable gage height
(stage sensor operational limit) - 17.9 ft; Data transmitter
operational limit - 18.8 ft;
Supplied by NWS
: Action stage-6 ft; Flood stage-8 ft;
Moderate flood stage-10 ft; Major flood stage-12 ft.