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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 Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Physical Daily Values, Groundwater Levels, Unit Values 1964-11-10 2024-11-21
n/a USGS Active Groundwater Level Network Site 1964-01-01 2021-01-01
n/a USGS Annual Water Data Reports Site 2005-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 422812071244401 is associated with a Well in Middlesex County, Massachusetts. Current conditions of Depth to water level are available. Water data back to 1964 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
422812071244401 n/a
Site name
MA-ACW 158 ACTON, MA n/a
Site type
Well
GW
DMS latitude 422812.41 n/a
DMS longitude 0712442.77 n/a
Decimal latitude 42.47011389 n/a
Decimal longitude -71.4118806 n/a
Latitude-longitude method
Differentially corrected Global Positioning System. D
Latitude-longitude accuracy
Accurate to + or - .01 sec (Differentially-Corrected GPS). H
Latitude-longitude datum
North American Datum of 1983 NAD83
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 MAYNARD, MA n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 150.61 feet n/a
Method altitude determined Differentially corrected Global Positioning System. D
Altitude accuracy .02 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
Nashua 01070004
Drainage basin
n/a
Topographic setting
Alluvial terrace
T
Flags for instruments at site YNNNYNNNNNNNNNNNYNNNNNNNNNNNNN n/a
Date of first construction
19641110 n/a
Date site established or inventoried 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 YYNYNYNN n/a
National aquifer Sand and gravel aquifers (glaciated regions) N100GLCIAL
Local aquifer Ice-Contact Deposits, Including Eskers and Kames 112ICCCE
Local aquifer type
Unconfined single aquifer U
Well depth 33.8 feet n/a
Hole depth
37.5 feet n/a
Source of depth data Z n/a
Project number 5442504200 n/a

Operated in cooperation with:

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Commonwealth of Massachusetts
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USGS - Cooperative Matching Funds