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 1994-05-07 to 2026-08-04

Daily data

3 data types available - data from 1994-03-25 to 2026-08-02

Field measurements

2 data types available - data from 1992-03-30 to 2026-06-25

Discrete sample data

178 Observed properties (data types) available - with data from 1991-10-23 to 2026-07-06

689 Sampling activities

Statistical tables for select daily data types

3 data types available - data from 1994-03-25 to 2026-08-02

Important information about this monitoring location

The elevation of this gage is 635.65 ft above NAVD of 1988. To obtain stream water surface elevation values in NAVD88, add 635.65 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

USGS - Cooperative Matching Funds

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	01198125	n/a
Location name	HOUSATONIC RIVER NEAR ASHLEY FALLS, MA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	42.07470688754377	n/a
Decimal longitude (WGS84)	-73.33342699700532	n/a
Latitude-longitude method	Interpolated from map	M
Latitude-longitude accuracy	Accurate to + or - 1 sec.	S
District	Connecticut	09
State	Massachusetts	25
County	Berkshire County	003
Country	United States of America	n/a
Altitude of gage/land surface	635.65 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	465 square miles	n/a
Contributing drainage area	465 square miles	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 Near Ashley Falls, MA - USGS-01198125