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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
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USGS Water-Year Summary 2024
01451380 Little Lehigh Creek near Trexlertown, PA
LOCATION - Lat 40°31'52", long 75°36'03" referenced to North American Datum of 1927, Lehigh County, PA, Hydrologic Unit 02040106, on left bank, upstream side of Rt 100 bridge, 800 ft upstream of confluence with Spring Creek.
REVISIONS HISTORY - Revisions: The datum of gage was erroneously reported as 370 ft above National Geodetic Vertical Datum of 1929 prior to July 19, 2024.
SURFACE-WATER RECORDS
PERIOD OF RECORD - November 2019 to current year.
GAGE - Water-stage recorder, crest-stage gage, and water quality monitor. Datum of gage is 366.9 ft. above North American Vertical Datum of 1988, from single-base GNSS static survey. Prior to July 19, 2024, the datum of gage was erroneously reported as 370 ft above National Geodetic Vertical Datum of 1929. 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).
REMARKS - Records for water years 2020 and 2021 are fair except for estimated discharge, which is poor.
WATER-QUALITY RECORDS
PERIOD OF RECORD - November 2019 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, 989 microsiemens/cm, Feb 24, 2021; minimum, 49 microsiemens/cm, multiple days. WATER TEMPERATURE: Maximum, 26.1 °C, July 21, 2022; minimum, 0°C, multiple days.
