Available data

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2 data types available - data from 1981-10-01 to 2026-07-31

3 data types available - data from 1902-10-01 to 2026-07-29

2 data types available - data from 1936-03-12 to 2026-07-01

612 Observed properties (data types) available - with data from 1923-11-08 to 2025-01-08

470 Sampling activities

3 data types available - data from 1902-10-01 to 2026-07-29

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	01387500	n/a
Location name	Ramapo River near Mahwah NJ	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	41.0980555555556	n/a
Decimal longitude (WGS84)	-74.1627777777778	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	Bergen County	003
Country	United States of America	n/a
Altitude of gage/land surface	253.1 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	Hackensack-Passaic	02030103
Drainage basin		n/a
Date of first construction		n/a
Drainage area	120 square miles	n/a
Contributing drainage area	120 square miles	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