USGS Water-Year Summary 2024
01540008 Susquehanna River at Catawissa, PA
LOCATION - Lat 40°57'14.38", long 76°28'04.78" referenced to North American Datum of 1983, Columbia County, PA, Hydrologic Unit 02050107, on downstream side of SR 42 bridge over the Susquehanna River, about 690 ft from the left end.
DRAINAGE AREA - 10,900 mi².
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD - WATER TEMPERATURE: September 2022 to current year. SPECIFIC CONDUCTANCE: September 2022 to current year. DISSOLVED OXYGEN: September 2022 to current year. PH: September 2022 to current year. The four parameters are operated seasonally.
COOPERATION - Station established by the US Geological Survey in cooperation with the Pennsylvania Department of Environmental Protection.
INSTRUMENTATION - Water-quality monitor collecting data at 15-minute interval. Iridium Satellite telemetry at the station.
EXTREMES FOR PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Maximum, 416 microsiemens/cm Jun 12, 2023; minimum, 106 microsiemens/cm, May 3, 2023. PH: Maximum, 9.1 standard units, Aug 6, 2023; minimum, 7.0 standard units, Sep 11, 2023. WATER TEMPERATURE: Maximum, 28.9°C, Jul 8, 2023; minimum, 10.0°C, Oct 20, 2022. DISSOLVED OXYGEN: Maximum, 12.7 mg/L, Apr 21, May 15, and Aug 6, 2023; minimum, 6.2 mg/L Aug 8, 2023.