USGS Water-Year Summary 2021
01451630 Cedar Creek at Mouth near Allentown, PA
LOCATION - Lat 40°35'15", long 75°29'48.5" referenced to North American Datum of 1983, Lehigh County, PA, Hydrologic Unit 02040106, on right bank, 2,000 ft upstream of confluence with Little Lehigh Creek.
DRAINAGE AREA - 14.5 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - January 2020 to current year.
GAGE - Water-stage recorder, crest-stage gage, and water-quality monitor. Datum of gage is 258 ft above North American Vertical Datum of 1988. Satellite telemetry at station.
COOPERATION - Station established and maintained by the U.S. Geological Survey. Funding for the operation of this station is provided by the U.S. Geological Survey -- Next Generation Water Observing System (NGWOS).
WATER-QUALITY RECORDS
PERIOD OF RECORD - January 2020 to current year.
INSTRUMENTATION - In-Situ Aqua Troll 500 water quality probe collecting Specific Conductance and Water Temperature Water data at 15-minute interval.
EXTREMES FOR PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Maximum, 3440 microsiemens/cm, Jan 17, 2022; minimum, 85 microsiemens/cm, Nov 30, 2020. WATER TEMPERATURE: Maximum, 25.4 °C, Aug 2, 2020; minimum, 0.5 °C, Feb 1, 2021.