Skip to main content

Important for you to know:

  • New to WDFN: explore current and historic water data available in your area of interest and filter to find monitoring locations that collect the water data you need through Explore USGS Water Data. To learn more, read our announcement on the Water Data for the Nation blog.

French River at North Grosvenordale, CT - 01125100

Scale

Continuous data

French River at North Grosvenordale, CT - 01125100
Subscribe to WaterAlert
February 17, 2025 - February 24, 2025
Gage height, feet
6.97 ft - Feb 24, 2025 08:15:00 AM EST
USGS - science for a changing world
Gage height, feetGage height, feet from February 17, 2025 - February 24, 2025Feb 18Feb 19Feb 20Feb 21Feb 22Feb 23Feb 246.957.007.057.107.157.207.25ft
Important Data may be provisional
Value
Status
Time
Latest value
6.97 ft
Provisional
Feb 24, 2025
08:15:00 AM EST
Selected
6.97 ft
Provisional
Feb 24, 2025
08:15:00 AM EST
Compare
Add last year's data to graph
Median
No median data for this data type
Statistics are not available at this monitoring location for the data type: Gage height, ft

Available data

Select data types to graph from categories based on the way the data were collected.
Learn about the data collection categories

Continuous data

10 data types available - data from 2000-10-01 to 2025-02-24
Continuous data are collected via automated sensors installed at a monitoring location.
Data type
Data date range
Gage height, feet
2007-10-01 - 2025-02-24
Discharge, cubic feet per second
2000-10-01 - 2025-02-24
Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)
2020-04-29 - 2023-05-08
Dissolved oxygen, water, unfiltered, milligrams per liter
2015-06-09 - 2023-05-08
Dissolved oxygen, water, unfiltered, percent of saturation
2017-06-22 - 2023-05-08
pH, water, unfiltered, field, standard units
2017-06-22 - 2023-05-08
Photosynthetically active radiation (average flux density on a horizontal surface during measurement interval), micromoles of photons per square meter per second [(2)]
2016-07-01 - 2018-01-31
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
2015-06-09 - 2023-05-08
Temperature, water, degrees Celsius
2015-06-09 - 2023-05-08
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)
2020-02-22 - 2023-05-08

Daily data

1 data types available - data from 2000-09-30 to 2025-02-23

Field measurements - Coming soon

0 data types available

Discrete sample data

326 Observed properties (data types) available - with data from 1962-05-15 to 2025-01-07
304 Sampling activities
Site Location
Legend
  • Map markerMonitoring Location
  • Active Monitoring Locations
5 km
3 mi
Leaflet USGS The National Map: National Boundaries Dataset, 3DEP Elevation Program, Geographic Names Information System, National Hydrography Dataset, National Land Cover Database, National Structures Dataset, and National Transportation Dataset; USGS Global Ecosystems; U.S. Census Bureau TIGER/Line data; USFS Road data; Natural Earth Data; U.S. Department of State HIU; NOAA National Centers for Environmental Information. Data refreshed February, 2025.

Operated in cooperation with: