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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Visit the Louisiana page for an example. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. You can update the state name in the URL to visit your State Page or read our announcement on the Water Data for the Nation blog to find links to all the state and territory pages.
Important Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Information Water-quality 1952-10-21 2006-07-12
Inorganics, Major, Metals Water-quality 1952-10-21 1982-08-24
Inorganics, Major, Non-metals Water-quality 1952-10-21 2006-04-19
Inorganics, Minor, Non-metals Water-quality 1970-09-22 1970-09-22
Inorganics, Minor, metals Water-quality 1952-10-21 1982-08-24
Nutrient Water-quality 1952-10-21 1982-08-24
Organics, other Water-quality 1982-08-24 1982-08-24
Physical Daily Values, Unit Values, Water-quality 1931-08-04 2024-12-03
Sediment Water-quality 1968-03-22 1968-03-22
n/a Peak Measurements 1932-04-01 2023-03-14
n/a Site Visits 1931-06-18 2024-10-02
n/a USGS Annual Water Data Reports Site 2005-01-01 2024-01-01
Water Data for the Nation inventory

Monitoring location 01104500 is associated with a Stream in Middlesex County, Massachusetts. Current conditions of Discharge and Gage height are available. Water data back to 1931 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
01104500 n/a
Site name
CHARLES RIVER AT WALTHAM, MA n/a
Site type
Stream
ST
DMS latitude 422220 n/a
DMS longitude 0711403 n/a
Decimal latitude 42.37231857 n/a
Decimal longitude -71.2336668 n/a
Latitude-longitude method
Interpolated from MAP. M
Latitude-longitude accuracy
Unknown or unspecified. U
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 19.21 feet n/a
Method altitude determined U n/a
Altitude accuracy .01 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
Charles 01090001
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site YNYNYNNNNNYNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried 20061130 n/a
Drainage area
251 square miles n/a
Contributing drainage area 227 square miles 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 244100100 n/a