Available data

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1 data types available - data from 2012-08-22 to 2026-08-06

1 data types available - data from 2012-08-22 to 2026-08-05

1 data types available - data from 2012-08-16 to 2026-06-18

74 Observed properties (data types) available - with data from 2020-08-28 to 2023-07-26

7 Sampling activities

2 data types available - with data from 1852-04-23 to 1951-04-05

1 data types available - data from 2012-08-22 to 2026-08-05

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	01100500	n/a
Location name	MERRIMACK RIVER AT LAWRENCE, MA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	42.7048333333333	n/a
Decimal longitude (WGS84)	-71.1531388888889	n/a
Latitude-longitude method	Interpolated from Digital MAP.	N
Latitude-longitude accuracy	Accurate to + or - .1 sec (Differentially-Corrected GPS).	1
District	Massachusetts	25
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	Global Positioning System.	G
Altitude accuracy	0.01 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit		n/a
Drainage basin		n/a
Date of first construction	20120813	n/a
Drainage area	4672 square miles	n/a
Contributing drainage area	4458 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