Available data

Select data types to graph from categories based on the way the data were collected.

2 data types available - data from 1990-10-01 to 2026-07-29

2 data types available - data from 1977-10-01 to 2026-07-27

2 data types available - data from 1978-01-09 to 2026-06-15

186 Observed properties (data types) available - with data from 1971-08-23 to 2026-07-15

168 Sampling activities

2 data types available - data from 1977-10-01 to 2026-07-27

Datum of gage is 177.29 ft above NAVD88. Prior to 12/29/2022 datum was 178.20 ft above NGVD29.

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	01188090	n/a
Location name	FARMINGTON RIVER AT UNIONVILLE, CT	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	41.75554722222222	n/a
Decimal longitude (WGS84)	-72.88704166666668	n/a
Latitude-longitude method	Interpolated from digital map	N
Latitude-longitude accuracy	Accurate to + or - .01 sec (Differentially-Corrected GPS).	H
District	Connecticut	09
State	Connecticut	09
County	Capitol Planning Region	110
Country	United States of America	n/a
Altitude of gage/land surface	117.27 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.16 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Farmington River	01080207
Drainage basin		n/a
Date of first construction		n/a
Drainage area	378 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