❄️Streamflow data may be affected by ice during winter months. For more details, see <a href="https://tinyurl.com/ysth3tn8">How Does Ice in Rivers and Streams Affect USGS Streamflow Data?</a>

Important Legacy real-time page

Available data

Select data types to graph from categories based on the way the data were collected.

Learn about the data collection categories

Continuous data

2 data types available - data from 1981-10-01 to 2026-08-04

Daily data

2 data types available - data from 1903-10-01 to 2026-08-04

Field measurements

2 data types available - data from 1928-02-23 to 2026-05-13

Discrete sample data

556 Observed properties (data types) available - with data from 1923-08-29 to 2026-06-09

532 Sampling activities

Statistical tables for select daily data types

2 data types available - data from 1903-10-01 to 2026-08-04

Location details and information

Zoom out to see link to My Favorites

Use Explore USGS Water Data to discover additional data near this location

Operated in cooperation with:

New Jersey Department of Environmental Protection

New Jersey Water Supply Authority

USGS - Cooperative Matching Funds

USGS - Federal Priority Streamgages

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	01397000	n/a
Location name	South Branch Raritan River at Stanton NJ	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	40.5722222222222	n/a
Decimal longitude (WGS84)	-74.8680555555555	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	Hunterdon County	019
Country	United States of America	n/a
Altitude of gage/land surface	124.28 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	Raritan	02030105
Drainage basin		n/a
Date of first construction		n/a
Drainage area	147 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 South Branch Raritan River at Stanton NJ - USGS-01397000