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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 1998-06-15 1999-09-15
Inorganics, Major, Metals Water-quality 1998-10-02 1998-10-02
Inorganics, Major, Non-metals Water-quality 1998-10-02 1998-10-02
Nutrient Water-quality 1998-07-24 1999-09-15
Physical Water-quality 1998-10-02 1998-10-02
Stable Isotopes Water-quality 1998-07-01 1999-09-01
Water Data for the Nation inventory

Monitoring location 422630071201301 is associated with an Atmosphere in Middlesex County, Massachusetts. Water data back to 1998 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
422630071201301 n/a
Site name
WALDEN POND PRECIP SITE n/a
Site type
Atmosphere
AT
DMS latitude 422630 n/a
DMS longitude 0712013 n/a
Decimal latitude 42.4417611 n/a
Decimal longitude -71.33644799 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 24000 n/a
Altitude of Gage/land surface n/a
Method altitude determined n/a
Altitude accuracy n/a
Altitude datum
n/a
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 19980626 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