❄️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

4 data types available - data from 1981-10-02 to 2026-08-03

Daily data

6 data types available - data from 1922-10-01 to 2026-08-02

Field measurements

2 data types available - data from 1971-08-28 to 2026-06-30

Discrete sample data

446 Observed properties (data types) available - with data from 1923-11-22 to 2023-08-08

284 Sampling activities

Statistical tables for select daily data types

5 data types available - data from 1922-10-01 to 2026-08-02

Location details and information

Available location images

Pequannock River at Macopin Intake Dam

Pequannock River at Macopin Intake Dam, NJ

View more imagery information for Pequannock River at Macopin Intake Dam

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

US Army Corps of Engineers - New York District

USGS - Cooperative Matching Funds

USGS - Federal Priority Streamgages

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	01382500	n/a
Location name	Pequannock River at Macopin Intake Dam NJ	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	41.0183333333333	n/a
Decimal longitude (WGS84)	-74.4011111111111	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	Passaic County	031
Country	United States of America	n/a
Altitude of gage/land surface	548.47 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	Hackensack-Passaic	02030103
Drainage basin		n/a
Date of first construction		n/a
Drainage area	63.7 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 Pequannock River at Macopin Intake Dam NJ - USGS-01382500