Continuous water-quality measurements are collected seasonally (May 1 through November 30).
| USGS Parameter Group | Data Types | Start Date | End Date |
|---|---|---|---|
| Biological | Water-quality | 2000-05-24 | 2023-09-29 |
| Information | Water-quality | 1978-07-18 | 2024-02-21 |
| Inorganics, Major, Metals | Water-quality | 1923-08-12 | 2023-08-29 |
| Inorganics, Major, Non-metals | Daily Values, Unit Values, Water-quality | 1923-08-12 | 2024-11-23 |
| Inorganics, Minor, Non-metals | Water-quality | 1963-04-09 | 2023-08-29 |
| Inorganics, Minor, metals | Water-quality | 1923-08-12 | 2023-08-29 |
| Microbiological | Water-quality | 1976-03-24 | 2024-01-11 |
| Nutrient | Water-quality | 1923-08-12 | 2023-08-29 |
| Organics, PCBs | Water-quality | 1976-05-11 | 2023-08-29 |
| Organics, PFAS | Water-quality | 2020-03-10 | 2022-02-09 |
| Organics, other | Water-quality | 1962-08-24 | 2023-08-29 |
| Organics, pesticide | Water-quality | 1968-10-25 | 2023-05-16 |
| Physical | Daily Values, Unit Values, Water-quality | 1921-08-04 | 2024-11-23 |
| Radiochemistry | Water-quality | 2010-06-14 | 2010-06-14 |
| Sediment | Water-quality | 1968-03-13 | 2022-09-27 |
| Stable Isotopes | Water-quality | 2002-08-15 | 2002-08-15 |
| n/a | Peak Measurements | 1921-08-08 | 2020-04-14 |
| n/a | Site Visits | 1966-10-20 | 2024-11-14 |
| n/a | USGS Annual Water Data Reports Site | 2006-01-01 | 2023-01-01 |
Monitoring location 01402000 is associated with a Stream in Somerset County, New Jersey. Current conditions of Chlorophyll relative fluorescence (fChl), Discharge, Dissolved oxygen, and more are available. Water data back to 1921 are available online.
| Metadata Element | Location Metadata | Metadata Code |
|---|---|---|
|
Agency
|
U.S. Geological Survey | USGS |
|
Site identification number
|
01402000 | n/a |
|
Site name
|
Millstone River at Blackwells Mills NJ | n/a |
|
Site type
|
Stream
|
ST |
| DMS latitude | 402830 | n/a |
| DMS longitude | 0743433 | n/a |
| Decimal latitude | 40.475 | n/a |
| Decimal longitude | -74.5758333 | 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 1983 | NAD83 |
| Decimal Latitude-longitude datum | North American Datum of 1983 | NAD83 |
|
District
|
New Jersey | 34 |
|
State
|
New Jersey | 34 |
|
County
|
Somerset County | 035 |
| Country | US | n/a |
| Land net location description | Hillsborough Township | n/a |
| Name of location map | Monmouth Junction | n/a |
| Scale of location map | 24000 | n/a |
| Altitude of Gage/land surface | 26.97 feet | n/a |
| Method altitude determined | Level or other surveyed method. | L |
| Altitude accuracy | .01 feet | n/a |
|
Altitude datum
|
National Geodetic Vertical Datum of 1929 | NGVD29 |
|
Subbasin hydrologic unit
|
Raritan | 02030105 |
|
Drainage basin
|
n/a | |
|
Topographic setting
|
n/a | |
| Flags for instruments at site | YNYYYNNNNNYNNNNNNNNNNNNNNNNNNN | n/a |
|
Date of first construction
|
n/a | |
| Date site established or inventoried | 20010824 | n/a |
|
Drainage area
|
258 square miles | 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 |
