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 2020-10-26 to 2026-08-08

Daily data

5 data types available - data from 1975-10-01 to 2026-08-06

Field measurements

2 data types available - data from 2020-10-26 to 2026-06-15

Discrete sample data

246 Observed properties (data types) available - with data from 1973-07-19 to 2013-11-07

246 Sampling activities

Peak measurements

2 data types available - with data from 1976-04-02 to 2025-05-11

Statistical tables for select daily data types

5 data types available - data from 1975-10-01 to 2026-08-06

Important information about this monitoring location

The elevation of this gage is 10.54 ft above NAVD of 1988. To obtain stream water surface elevation values in NAVD88, add 10.54 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:

Maine Emergency Management Agency

USGS - Cooperative Matching Funds

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	01064140	n/a
Location name	Presumpscot River near West Falmouth, Maine	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	43.7245972222222	n/a
Decimal longitude (WGS84)	-70.3029333333333	n/a
Latitude-longitude method	Interpolated from digital map	N
Latitude-longitude accuracy	Accurate to + or - .5 sec (PLGR/PPS GPS).	5
District	Maine	23
State	Maine	23
County	Cumberland County	005
Country	United States of America	n/a
Altitude of gage/land surface	10.54 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.18 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Presumpscot	01060001
Drainage basin		n/a
Date of first construction		n/a
Drainage area	598 square miles	n/a
Contributing drainage area	598 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 Presumpscot River near West Falmouth, Maine - USGS-01064140