Important Legacy real-time page

Available data

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

Learn about the data collection categories

Continuous data

2 data types available - data from 1990-10-01 to 2026-08-06

Daily data

2 data types available - data from 1971-10-01 to 2026-08-04

Field measurements

2 data types available - data from 1977-03-31 to 2026-06-17

Discrete sample data

462 Observed properties (data types) available - with data from 1967-09-07 to 2026-07-14

609 Sampling activities

Peak measurements

2 data types available - with data from 1913-03-28 to 2025-05-07

Statistical tables for select daily data types

2 data types available - data from 1971-10-01 to 2026-08-04

Important information about this monitoring location

The elevation of this gage is 129.63 ft above NAVD of 1988. To obtain stream water surface elevation values in NAVD88, add 129.63 feet to gage height values.

Location details and information

Zoom out to see link to My Favorites

Use Explore USGS Water Data to discover additional data near this location

Operated in cooperation with:

Connecticut Department of Energy and Environmental Protection

Connecticut Water Company

USGS - Cooperative Matching Funds

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	01189995	n/a
Location name	FARMINGTON RIVER AT TARIFFVILLE, CT	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	41.90828333333333	n/a
Decimal longitude (WGS84)	-72.75935277777778	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	129.63 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	577 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 Farmington River at Tariffville, CT - USGS-01189995