USGS Water-Year Summary 2021
01451650 LITTLE LEHIGH CREEK AT TENTH STREET BRIDGE AT ALLENTOWN, PA
LOCATION - Lat 40°35'47", long 75°28'28" referenced to North American Datum of 1927, Lehigh County, PA, Hydrologic Unit 02040106, on left bank at bridge on Tenth Street, and 0.9 mi upstream from confluence with Jordan Creek in Allentown.
DRAINAGE AREA - 98.2 mi².
- WRD PA-98-1: 1997(M).
PERIOD OF RECORD - October 1986 to current year.
GAGE - Water-stage recorder, crest-stage gage, water-quality monitor, and concrete control. Datum of gage is 245.63 ft above National Geodetic Vertical Datum of 1929. Satellite telemetry at station.
COOPERATION - Records of diversion provided by City of Allentown through Water Year 2016. Station established and maintained by the U.S. Geological Survey in cooperation with the Lehigh County Authority.
PERIOD OF DAILY RECORD - October 2019 to current.
COOPERATION - Funding for the operation of this station is provided by the U.S. Geological Survey.
INSTRUMENTATION - Specific conductance and water temperature sonde interfaced with a data collection platform, logging at 15-minute interval.