❄️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>

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Available data

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Continuous data

3 data types available - data from 1995-08-24 to 2026-08-03

Daily data

1 data types available - data from 1995-08-24 to 2026-08-02

Field measurements

3 data types available - data from 1964-08-28 to 2026-06-30

Discrete sample data

21 Observed properties (data types) available - with data from 1964-08-28 to 1968-08-30

5 Sampling activities

Statistical tables for select daily data types

1 data types available - data from 1995-08-24 to 2026-08-02

Location details and information

Available location images

Whippany River near Morristown

Whippany River near Morristown, NJ

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New Jersey Department of Environmental Protection

USGS - Cooperative Matching Funds

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	01381400	n/a
Location name	Whippany River near Morristown NJ	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	40.8122222222222	n/a
Decimal longitude (WGS84)	-74.5119444444444	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	Morris County	027
Country	United States of America	n/a
Altitude of gage/land surface	311.76 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	14 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 Whippany River near Morristown NJ - USGS-01381400