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2 data types available - data from 1959-06-25 to 2023-09-20

364 Observed properties (data types) available - with data from 1959-09-24 to 2025-03-11

150 Sampling activities

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	01400640	n/a
Location name	Millstone River near Grovers Mill NJ	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	40.3133333333333	n/a
Decimal longitude (WGS84)	-74.5891666666667	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	Mercer County	021
Country	United States of America	n/a
Altitude of gage/land surface		n/a
Method altitude determined		n/a
Altitude accuracy		n/a
Altitude datum		n/a
Subbasin hydrologic unit	Raritan	02030105
Drainage basin		n/a
Date of first construction		n/a
Drainage area	42.6 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 Millstone River near Grovers Mill NJ - USGS-01400640