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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
Information Water-quality 1965-09-26 1995-04-18
Inorganics, Major, Metals Water-quality 1973-05-29 1977-09-16
Inorganics, Major, Non-metals Water-quality 1973-05-29 1977-09-16
Inorganics, Minor, Non-metals Water-quality 1976-08-31 1977-05-06
Inorganics, Minor, metals Water-quality 1973-05-29 1977-09-16
Nutrient Water-quality 1973-05-29 1977-05-06
Physical Daily Values, Unit Values, Water-quality 1963-07-26 2024-11-16
n/a Peak Measurements 1964-03-06 2023-07-22
n/a Site Visits 1967-05-26 2024-10-01
n/a USGS Annual Water Data Reports Site 2005-01-01 2024-01-01
Water Data for the Nation inventory

Monitoring location 01097300 is associated with a Stream in Middlesex County, Massachusetts. Current conditions of Discharge and Gage height are available. Water data back to 1963 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
01097300 n/a
Site name
NASHOBA BROOK NEAR ACTON, MA n/a
Site type
Stream
ST
DMS latitude 423045 n/a
DMS longitude 0712417 n/a
Decimal latitude 42.51259289 n/a
Decimal longitude -71.40422829 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 MAYNARD, MA n/a
Scale of location map 25000 n/a
Altitude of Gage/land surface 154.19 feet n/a
Method altitude determined Interpolated from topographic map. M
Altitude accuracy 5 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
Concord 01070005
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site YNNNYNNNNYNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried 19630726 n/a
Drainage area
12.8 square miles n/a
Contributing drainage area 12.8 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 442500100 n/a