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Available data

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Continuous data

3 data types available - data from 2001-10-01 to 2026-08-06

Daily data

2 data types available - data from 1937-10-01 to 2026-08-04

Field measurements

3 data types available - data from 2001-07-19 to 2026-07-08

Discrete sample data

38 Observed properties (data types) available - with data from 1956-05-04 to 2014-09-19

4 Sampling activities

Peak measurements

2 data types available - with data from 1938-09-21 to 2025-03-17

Statistical tables for select daily data types

2 data types available - data from 1937-10-01 to 2026-08-04

Important information about this monitoring location

The elevation of this gage is 53.20 ft above NAVD of 1988. To obtain stream water surface elevation values in NAVD88, add 53.20 feet to gage height values.

Location details and information

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USGS - Federal Priority Streamgages

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	01194500	n/a
Location name	EAST BRANCH EIGHTMILE RIVER NEAR NORTH LYME, CT	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	41.42751666666666	n/a
Decimal longitude (WGS84)	-72.33477777777777	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	Lower Connecticut River Valley Planning Region	130
Country	United States of America	n/a
Altitude of gage/land surface	53.2 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	Outlet Connecticut River	01080205
Drainage basin		n/a
Date of first construction		n/a
Drainage area	22.3 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 East Branch Eightmile River Near North Lyme, CT - USGS-01194500