Available data

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Continuous data

4 data types available - data from 1981-10-01 to 2026-08-09

Daily data

3 data types available - data from 1922-10-01 to 2026-08-08

Field measurements

2 data types available - data from 1936-03-19 to 2026-06-05

Discrete sample data

49 Observed properties (data types) available - with data from 1959-08-07 to 2005-09-22

43 Sampling activities

Peak measurements

2 data types available - with data from 1903-10-10 to 2023-12-19

Statistical tables for select daily data types

3 data types available - data from 1922-10-01 to 2026-08-08

Important information about this monitoring location

The water-quality monitor was located on the left bank of the Delaware River. Water-quality parameters at that location were influenced by the Pequest River and were not representative of the entire Delaware River channel at this location.

Location details and information

Available location images

Delaware River at Belvidere

Delaware River at Belvidere, NJ

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Operated in cooperation with:

New Jersey Department of Environmental Protection

USGS - Cooperative Matching Funds

USGS - Federal Priority Streamgages

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	01446500	n/a
Location name	Delaware River at Belvidere NJ	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	40.8263888888889	n/a
Decimal longitude (WGS84)	-75.0825	n/a
Latitude-longitude method	Interpolated from map	M
Latitude-longitude accuracy	Accurate to + or - 1 sec.	S
District	New Jersey	34
State	New Jersey	34
County	Warren County	041
Country	United States of America	n/a
Altitude of gage/land surface	226.17 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.05 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Middle Delaware-Musconetcong	02040105
Drainage basin		n/a
Date of first construction		n/a
Drainage area	4535 square miles	n/a
Contributing drainage area		n/a
Time zone abbreviation	EST	n/a
Site honors Daylight Saving Time	Y	n/a
National aquifer		n/a
Local aquifer		n/a
Local aquifer type		n/a
Well depth		n/a
Hole depth		n/a
Source of depth data		n/a

Monitoring location Delaware River at Belvidere NJ - USGS-01446500