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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.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
01451400 Spring Creek at Trexlertown, PA
LOCATION - Lat 40°32'02.7", long 75°36'05.3" referenced to North American Datum of 1983, Lehigh County, PA, Hydrologic Unit 02040106, on right bank, downstream side of SR3001 bridge, 530 ft upstream of mouth.
REVISIONS HISTORY - Prior to October 31, 2022, the datum of gage was reported as 359 ft above North American Vertical Datum of 1988. Datum revised based on GNSS Level II RS survey.
SURFACE-WATER RECORDS
PERIOD OF RECORD - March 2020 to current year.
GAGE - Water-stage recorder, crest-stage gage, and water-quality monitor. Datum of gage is 365.9 ft above North American Vertical Datum of 1988 (NAVD88). Prior to October 31, 2022, the datum of gage was erroneously reported as 359 ft above NAVD88. 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 year 2020 is fair, except for estimated discharge, which is poor. Records for water year 2021 is fair.
WATER-QUALITY RECORDS
PERIOD OF RECORD - March 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, 2710 microsiemens/cm, Feb 25, 2022 (snowmelt); minimum, 80 microsiemens/cm, Aug 4, 2020. WATER TEMPERATURE: Maximum, 26.4 °C, Aug 2, 2020; minimum, 1.7 °C, February 3, 2022.
