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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