During winter months, cold and ice may result in inaccurate real-time gage height and streamflow data. Adjustments or deletions of this data can only be done after detailed analysis.

 

SURFACE-WATER RECORDS
LOCATION.--Lat 40°17'42", long 74°52'05" referenced to North American Datum of 1983, Hopewell Township, Mercer County, NJ, Hydrologic Unit 02040105, at Bridge on Washington Crossing/Pennington Road, 0.3 mi west of Washington Crossing (NJ), 0.8 mi south east of Titusville, and 3 mi upstream of Interstate 95 Bridge crossing the Delaware River.
DRAINAGE AREA.--6,735 mi².
PERIOD OF RECORD.--Annual maximum stage, water years 1903, 1936-61, 2005-06, and 2011 to current year.
REVISED RECORDS.--WDR US-2012: 2011(M), WYS 2014: 2011(M), 2012(M), 2013(M)
GAGE.--Water-stage and precipitation recorder with telemetry. Datum of gage is 26.14 ft above NGVD of 1929. Prior to 2011, annual peak gage-heights are maximum of hourly readings by Delaware River Joint Toll Bridge Commission. Datum of gage between 1903 to 1961, 0.14 ft above NGVD of 1929. Online peaks have been adjusted to current datum.
COOPERATION.--Gage operated in cooperation with the Delaware River Joint Toll Bridge Commission.
REMARKS.--Annual peak data can be obtained by selecting Peak streamflow from the 'Available data for this site' drop-down menu above or by using this link.
EXTREMES FOR PERIOD OF RECORD.--Maximum gage height, 27.77 ft, Aug 20, 1955.
REVISIONS.--Revisions prior to water year 2014 available from Water Data Reports (WDR) listed above in Revised Records. Revisions subsequent to Water Year 2014 can be obtained by using this link.

Peak Flood Chart

National Weather Service flood stage for this gage is 16.0 ft.

Forecasts for this gage are issued by the National Weather Service routinely year-round.
Forecast information is available here.

Rain gage data is available from this location at this link