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 2009-07-02 to 2026-08-17

Daily data

1 data types available - data from 1932-10-01 to 2026-08-15

Field measurements

2 data types available - data from 1955-08-19 to 2026-06-26

Discrete sample data

83 Observed properties (data types) available - with data from 1953-09-17 to 2026-07-22

75 Sampling activities

Peak measurements

2 data types available - with data from 1933-03-21 to 2025-03-06

Statistical tables for select daily data types

1 data types available - data from 1932-10-01 to 2026-08-15

Important information about this monitoring location

The elevation of this gage is 17.10 ft above NAVD of 1988. To obtain stream water surface elevation values in NAVD88, add 17.10 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

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	01209500	n/a
Location name	SAUGATUCK RIVER NEAR WESTPORT, CT	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	41.17073055555555	n/a
Decimal longitude (WGS84)	-73.36481666666666	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	Western Connecticut Planning Region	190
Country	United States of America	n/a
Altitude of gage/land surface	17.1 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	Saugatuck	01100006
Drainage basin		n/a
Date of first construction		n/a
Drainage area	79.8 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 Saugatuck River Near Westport, CT - USGS-01209500