Available data

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5 data types available - data from 2007-10-01 to 2026-08-10

3 data types available - data from 1997-10-01 to 2026-08-08

4 data types available - data from 1997-03-07 to 2026-06-12

142 Observed properties (data types) available - with data from 1997-03-07 to 2026-08-05

123 Sampling activities

2 data types available - with data from 1998-06-14 to 2025-05-23

3 data types available - data from 1997-10-01 to 2026-08-08

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	01104460	n/a
Location name	STONY BROOK AT RT 20 AT WALTHAM, MA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	42.3689850011781	n/a
Decimal longitude (WGS84)	-71.2706122514405	n/a
Latitude-longitude method	Interpolated from MAP.	M
Latitude-longitude accuracy	Accurate to + or - 1 sec.	S
District	Massachusetts	25
State	Massachusetts	25
County	Middlesex County	017
Country	United States of America	n/a
Altitude of gage/land surface	89.2 feet	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	Charles	01090001
Drainage basin		n/a
Date of first construction		n/a
Drainage area	22 square miles	n/a
Contributing drainage area	22 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