Available data

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2 data types available - data from 1990-10-01 to 2026-08-22

1 data types available - data from 1949-10-01 to 2026-08-20

2 data types available - data from 1951-02-19 to 2026-06-04

35 Observed properties (data types) available - with data from 1955-10-04 to 1995-04-24

200 Sampling activities

2 data types available - with data from 1950-03-30 to 2025-05-11

1 data types available - data from 1949-10-01 to 2026-08-20

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	01096000	n/a
Location name	SQUANNACOOK RIVER NEAR WEST GROTON, MA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	42.6342561948181	n/a
Decimal longitude (WGS84)	-71.6578478973968	n/a
Latitude-longitude method	Interpolated from MAP.	M
Latitude-longitude accuracy	Accurate to + or - 1 sec.	S
District	Massachusetts	25
State	Massachusetts	25
County	Middlesex County	017
Country	United States of America	n/a
Altitude of gage/land surface	243.5 feet	n/a
Method altitude determined	Differentially corrected Global Positioning System.	D
Altitude accuracy	0.01 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Nashua River	01070004
Drainage basin	1	n/a
Date of first construction		n/a
Drainage area	65.9 square miles	n/a
Contributing drainage area	63.7 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