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Available data

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Continuous data

7 data types available - data from 1990-10-01 to 2026-07-30

Daily data

7 data types available - data from 1928-10-01 to 2026-07-29

Field measurements

2 data types available - data from 1929-03-15 to 2026-07-16

Discrete sample data

382 Observed properties (data types) available - with data from 1952-05-02 to 2026-07-08

707 Sampling activities

Statistical tables for select daily data types

6 data types available - data from 1928-10-01 to 2026-07-29

Important information about this monitoring location

The elevation of this gage is 23.66 ft above NAVD of 1988. To obtain stream water surface elevation values in NAVD88, add 23.66 feet to gage height values.

Location details and information

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Operated in cooperation with:

Connecticut Department of Energy and Environmental Protection

First Light Power Resources

US Army Corps of Engineers - New England District

USGS - Cooperative Matching Funds

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	01205500	n/a
Location name	HOUSATONIC RIVER AT STEVENSON, CT	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	41.383802777777774	n/a
Decimal longitude (WGS84)	-73.1666388888889	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	Naugatuck Valley Planning Region	140
Country	United States of America	n/a
Altitude of gage/land surface	23.66 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	Housatonic	01100005
Drainage basin		n/a
Date of first construction		n/a
Drainage area	1544 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 Housatonic River at Stevenson, CT - USGS-01205500