Available data

Select data types to graph from categories based on the way the data were collected.

1 data types available - data from 2015-01-27 to 2026-08-06

1 data types available - data from 2015-01-27 to 2026-08-04

1 data types available - data from 2015-11-09 to 2026-06-17

42 Observed properties (data types) available - with data from 1973-04-24 to 1974-08-21

2 Sampling activities

1 data types available - data from 2015-01-27 to 2026-08-04

Zoom out to see link to My Favorites

Operated in cooperation with:

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	01100870	n/a
Location name	MERRIMACK RIVER AT NEWBURYPORT, MA	n/a
Site type	Estuary	ES
Decimal latitude (WGS84)	42.81552372591328	n/a
Decimal longitude (WGS84)	-70.87278473185422	n/a
Latitude-longitude method	Interpolated from map	M
Latitude-longitude accuracy	Unknown or unspecified.	U
District	New Hampshire	33
State	Massachusetts	25
County	Essex County	009
Country	United States of America	n/a
Altitude of gage/land surface	0	n/a
Method altitude determined	Interpolated from topographic map.	M
Altitude accuracy	5 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Merrimack River	01070006
Drainage basin		n/a
Date of first construction		n/a
Drainage area		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