Contoocook R BL Hopkinton Dam at W Hopkinton, NH - 01085500

Important information about this monitoring location

The elevation of this station has been determined to be 355.15 feet above NAVD 1988. To obtain stream water-surface elevation values in NAVD 1988 add 355.15 feet to gage height values.

Location details and information

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Site identification number	01085500	_n/a
Site name	CONTOOCOOK R BL HOPKINTON DAM AT W HOPKINTON, NH	_n/a
Site type	Stream	ST
DMS latitude	431134	_n/a
DMS longitude	0714452	_n/a
Decimal latitude	43.1928569	_n/a
Decimal longitude	-71.7472995	_n/a
Latitude-longitude method	Interpolated from MAP.	M
Latitude-longitude accuracy	Accurate to + or - 1 sec.	S
Latitude-longitude datum	North American Datum of 1927	NAD27
Decimal Latitude-longitude datum	North American Datum of 1983	NAD83
District	New Hampshire	33
State	New Hampshire	33
County	Merrimack County	013
Country	US	_n/a
Land net location description		_n/a
Name of location map	HOPKINTON, NH	_n/a
Scale of location map	24000	_n/a
Altitude of Gage/land surface	355.15 feet	_n/a
Method altitude determined	Level or other surveyed method.	L
Altitude accuracy	.01 feet	_n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Contoocook	01070003
Drainage basin		_n/a
Topographic setting	Stream channel	C
Flags for instruments at site	YNNNYNNNNYNNNNNNNNNNNNNNNNNNNN	_n/a
Date of first construction		_n/a
Date site established or inventoried		_n/a
Drainage area	427 square miles	_n/a
Contributing drainage area		_n/a
Time Zone abbreviation	EST	_n/a
Site honors Daylight Saving Time	Y	_n/a
Data reliability		_n/a
Data-other GW files	NNNNNNNN	_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
Project number		_n/a

Operated in cooperation with:

US Army Corps of Engineers - New England District