<a href="https://waterdata.usgs.gov/monitoring-location/403430074365701">Rain gage data are available from this location at this link.</a>

Available data

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

1 data types available - data from 2009-10-15 to 2026-08-03

1 data types available - data from 2013-10-01 to 2026-08-02

2 data types available - data from 1989-12-27 to 2026-07-20

50 Observed properties (data types) available - with data from 2023-08-14 to 2026-07-20

37 Sampling activities

0 data types available

Zoom out to see link to My Favorites

Operated in cooperation with:

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	01400360	n/a
Location name	Peters Brook at Mercer St at Somerville NJ	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	40.575	n/a
Decimal longitude (WGS84)	-74.61583333333333	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	Somerset County	035
Country	United States of America	n/a
Altitude of gage/land surface	42.5 feet	n/a
Method altitude determined	Level or other surveyed method.	L
Altitude accuracy	0.01 feet	n/a
Altitude datum	National Geodetic Vertical Datum of 1929	NGVD29
Subbasin hydrologic unit	Raritan	02030105
Drainage basin		n/a
Date of first construction		n/a
Drainage area	7.37 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