USGS Water-Year Summary 2019
01454700 LEHIGH RIVER AT GLENDON, PA
LOCATION - Lat 40°40'09", long 75°14'12" referenced to North American Datum of 1927, Northampton County, PA, Hydrologic Unit 02040106, on right bank, on right upstream bridge wall at entrance to Hugh Moore Parkway at Glendon, 2.3 mi upstream from mouth, and 2.0 mi southwest of Easton.
DRAINAGE AREA - 1,359 mi².
- WDR PA-72-1: 1971(M).
PERIOD OF RECORD - October 1966 to September 2005 and October 2018 to current year, (continuous-record gaging station), October 2005 to September 2018 (continuous-record, annual-peak gaging station).
GAGE - Water-stage recorder, crest-stage gage, and water-quality monitor. Datum of gage is 164.30 feet 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 Pennsylvania Department of Environmental Protection and U.S. Geological Survey.
EXTREMES FOR PERIOD OF RECORD - Discharge, 60,600 ft³/s (gage height 24.86 ft), Jun 23, 1972, gage height, 27.93 ft (from floodmark; backwater from Delaware River), Jun 28, 2006.
PERIOD OF RECORD - November 1956 to current year.
PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: July 2010 to current year.
pH: July 2010 to current year.
WATER TEMPERATURE: July 2010 to current year.
DISSOLVED OXYGEN: July 2010 to current year.
COOPERATION - Water-quality samples were collected as part of the Pennsylvania Department of Environmental Protection Water-Quality Network (WQN) with cooperation from the Pennsylvania Department of Environmental Protection. Funding for the operation of the continuous water-quality monitor is provided by the Delaware River Basin Commission.
INSTRUMENTATION - Water-quality monitor interfaced with a data collection platform at 15-minute recording interval. Monitor is deployed along streamward side of right upstream bridge wall at entrance to Hugh Moore Parkway at Glendon.
EXTREMES FOR PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Maximum, 475 microsiemens/cm, Oct 26, 2015; minimum, 99 microsiemens/cm, Sep 19, 2012.
pH: Maximum, 8.8, Apr 1, 2016; minimum, 7.0, Jul 1, 2015 and July 26, 2018.
WATER TEMPERATURE: Maximum, 28.2 °C, Jul 23, 2011; minimum, 2.3°C, Nov 22, 2014.
DISSOLVED OXYGEN: Maximum, 13.8 mg/L, Mar 27, 2014; minimum, 5.4 mg/L, Apr 14, 2012.