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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Visit the Louisiana page for an example. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. You can update the state name in the URL to visit your State Page or read our announcement on the Water Data for the Nation blog to find links to all the state and territory pages.
Important Inventory Page

USGS Parameter Group Data Types Start Date End Date
Physical Groundwater Levels 2009-06-26 2021-07-28
n/a USGS Active Groundwater Level Network Site 2009-01-01 2021-01-01
Water Data for the Nation inventory

Monitoring location 431033071340301 is associated with a Well in Merrimack County, New Hampshire. Water data back to 2009 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
431033071340301 n/a
Site name
NH-CVW 313 (CVWB-2) n/a
Site type
Well
GW
DMS latitude 431032.64 n/a
DMS longitude 0713402.7 n/a
Decimal latitude 43.1757333 n/a
Decimal longitude -71.5674167 n/a
Latitude-longitude method
Mapping grade GPS unit (handheld accuracy range 12 to 40 ft) G
Latitude-longitude accuracy
Accurate to + or - 1 sec. S
Latitude-longitude datum
North American Datum of 1983 NAD83
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 CONCORD, NH n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 411.91 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
Merrimack River 01070006
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
20090421 n/a
Date site established or inventoried 20090421 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
Data reliability
Data have been checked by the reporting agency. C
Data-other GW files Y Y n/a
National aquifer New York and New England crystalline-rock aquifers N600NECRSN
Local aquifer Bedrock BEDROCK
Local aquifer type
Unconfined single aquifer U
Well depth 315 feet n/a
Hole depth
315 feet n/a
Source of depth data R n/a
Project number 2450-00200 n/a