| USGS Parameter Group | Data Types | Start Date | End Date |
|---|---|---|---|
| Biological | Water-quality | 2021-05-06 | 2023-10-10 |
| Information | Water-quality | 2020-08-18 | 2024-03-05 |
| Inorganics, Major, Metals | Water-quality | 2021-04-13 | 2023-11-06 |
| Inorganics, Major, Non-metals | Water-quality | 2020-08-18 | 2024-03-05 |
| Inorganics, Minor, Non-metals | Water-quality | 2021-06-09 | 2023-09-14 |
| Inorganics, Minor, metals | Water-quality | 2021-06-09 | 2023-09-14 |
| Microbiological | Water-quality | 2021-04-13 | 2024-03-05 |
| Nutrient | Water-quality | 2021-04-13 | 2023-12-05 |
| Organics, PFAS | Water-quality | 2020-08-18 | 2020-10-27 |
| Organics, other | Water-quality | 2021-04-13 | 2023-12-05 |
| Physical | Water-quality | 2020-08-18 | 2024-03-05 |
| Radiochemistry | Water-quality | 2022-08-10 | 2022-09-09 |
| n/a | Site Visits | 1968-12-11 | 2002-05-31 |
Monitoring location 01097050 is associated with a Stream in Middlesex County, Massachusetts. Water data back to 1968 are available online.
| Metadata Element | Location Metadata | Metadata Code |
|---|---|---|
|
Agency
|
U.S. Geological Survey | USGS |
|
Site identification number
|
01097050 | n/a |
|
Site name
|
ASSABET RIVER AT MAIN ST NEAR CONCORD, MA | n/a |
|
Site type
|
Stream
|
ST |
| DMS latitude | 422723 | n/a |
| DMS longitude | 0712326 | n/a |
| Decimal latitude | 42.45648267 | n/a |
| Decimal longitude | -71.3900608 | 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 | MAYNARD, MA | n/a |
| Scale of location map | 24000 | n/a |
| Altitude of Gage/land surface | 117 feet | n/a |
| Method altitude determined | Interpolated from Digital Elevation Model | N |
| Altitude accuracy | 4.3 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 | NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN | n/a |
|
Date of first construction
|
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
|
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 | n/a |