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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. To learn more, read our announcement on the Water Data for the Nation blog.
Important Inventory Page

USGS Parameter Group Data Types Start Date End Date
Information Water-quality 1999-08-12 1999-08-12
Physical Groundwater Levels, Water-quality 1999-01-06 1999-08-25
Stable Isotopes Water-quality 1999-08-12 1999-08-12
Water Data for the Nation inventory

Monitoring location 422621071204601 is associated with a Well in Middlesex County, Massachusetts. Water data back to 1999 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
422621071204601 n/a
Site name
MA-CTW 223 n/a
Site type
Well
GW
DMS latitude 422621 n/a
DMS longitude 0712046 n/a
Decimal latitude 42.43926107 n/a
Decimal longitude -71.3456149 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
Massachusetts 25
State
Massachusetts 25
County
Middlesex County 017
Country US n/a
Land net location description n/a
Name of location map CONCORD, MA n/a
Scale of location map 25000 n/a
Altitude of Gage/land surface 177.14 feet n/a
Method altitude determined Level or other surveyed method. L
Altitude accuracy .01 feet n/a
Altitude datum
National Geodetic Vertical Datum of 1929 NGVD29
Subbasin hydrologic unit
Concord 01070005
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
19990105 n/a
Date site established or inventoried 19990108 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 YNNNNYNN n/a
National aquifer n/a
Local aquifer n/a
Local aquifer type
n/a
Well depth 28.0 feet n/a
Hole depth
n/a
Source of depth data S n/a
Project number 442513500 n/a