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Available data

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Continuous data

2 data types available - data from 1990-10-01 to 2026-07-31

Daily data

4 data types available - data from 1940-10-01 to 2026-07-29

Field measurements

2 data types available - data from 1943-03-23 to 2026-07-15

Discrete sample data

47 Observed properties (data types) available - with data from 1959-10-01 to 1980-04-10

268 Sampling activities

Statistical tables for select daily data types

4 data types available - data from 1940-10-01 to 2026-07-29

Important information about this monitoring location

The elevation of this gage is 235.82 ft above NAVD of 1988. To obtain stream water surface elevation values in NAVD88, add 235.82 feet to gage height values.

Location details and information

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	01200500	n/a
Location name	HOUSATONIC RIVER AT GAYLORDSVILLE, CT	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	41.65304449485315	n/a
Decimal longitude (WGS84)	-73.48982401018203	n/a
Latitude-longitude method	Interpolated from MAP.	M
Latitude-longitude accuracy	Unknown or unspecified.	U
District	Connecticut	09
State	Connecticut	09
County	Western Connecticut Planning Region	190
Country	United States of America	n/a
Altitude of gage/land surface	235.82 feet	n/a
Method altitude determined	Level or other surveyed method.	L
Altitude accuracy	0.01 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	996 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 Gaylordsville, CT - USGS-01200500