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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 1997-07-17 1997-07-30
Inorganics, Major, Metals Water-quality 1997-07-17 1997-07-30
Inorganics, Major, Non-metals Water-quality 1997-07-17 1997-07-30
Nutrient Water-quality 1997-07-17 1997-07-17
Water Data for the Nation inventory

Monitoring location 422615071203102 is associated with a Lake, Reservoir, Impoundment in Middlesex County, Massachusetts. Water data back to 1997 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
422615071203102 n/a
Site name
WALDEN POND TRANSECT 5B AT CONCORD, MA n/a
Site type
Lake, Reservoir, Impoundment
LK
DMS latitude 422615 n/a
DMS longitude 0712031 n/a
Decimal latitude 42.43759447 n/a
Decimal longitude -71.3414481 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 0.0 feet n/a
Method altitude determined Level or other surveyed method. L
Altitude accuracy 1.0 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
n/a
Date site established or inventoried 19970721 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
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 442513500 n/a