Available data

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8 data types available - data from 1981-10-01 to 2026-08-03

6 data types available - data from 1921-10-01 to 2026-08-02

2 data types available - data from 1975-11-20 to 2026-05-29

174 Observed properties (data types) available - with data from 1923-11-09 to 2025-09-24

233 Sampling activities

5 data types available - data from 1921-10-01 to 2026-08-02

Available location images

Ramapo River at Pompton Lakes

Ramapo River at Pompton Lakes, NJ - Dam Spillway

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	01388000	n/a
Location name	Ramapo River at Pompton Lakes NJ	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	40.99194444444444	n/a
Decimal longitude (WGS84)	-74.28	n/a
Latitude-longitude method	Interpolated from map	M
Latitude-longitude accuracy	Accurate to + or - .1 sec (Differentially-Corrected GPS).	1
District	New Jersey	34
State	New Jersey	34
County	Passaic County	031
Country	United States of America	n/a
Altitude of gage/land surface	170.55 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	160 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