Norwalk R at Maritime Aquarium NR S Norwalk, CT - 410606073245700
Scale
Continuous data
Norwalk R at Maritime Aquarium NR S Norwalk, CT - 410606073245700
Subscribe to WaterAlert February 26, 2025 - March 5, 2025
Temperature, water, degrees Celsius TOP
3.1 deg C (37.58 deg F) - Mar 05, 2025 09:06:00 AM EST
Important Data may be provisional
Value
Status
Time
Latest value
3.1 deg C
Provisional
Mar 05, 2025
09:06:00 AM EST
Selected
3.1 deg C
Provisional
Mar 05, 2025
09:06:00 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: Temperature, water, °C
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
18 data types available - data from 2021-06-15 to 2025-03-05
Continuous data are collected via automated sensors installed at a monitoring location.
Data type
Data date range
Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU) BOTTOM
2021-06-15 - 2025-03-05
Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU) TOP
2021-06-15 - 2025-03-05
Dissolved oxygen, water, unfiltered, milligrams per liter BOTTOM
2021-06-15 - 2025-03-05
Dissolved oxygen, water, unfiltered, milligrams per liter TOP
2021-06-15 - 2025-03-05
Dissolved oxygen, water, unfiltered, percent of saturation BOTTOM
2022-03-05 - 2025-03-05
Dissolved oxygen, water, unfiltered, percent of saturation TOP
2021-06-15 - 2025-03-05
Estuary or ocean water surface elevation above NAVD 1988, feet
2021-06-15 - 2025-03-05
pH, water, unfiltered, field, standard units BOTTOM
2023-04-11 - 2025-03-05
Photosynthetically active radiation (average flux density on a horizontal surface during measurement interval), micromoles of photons per square meter per second
2021-07-20 - 2024-02-21
Photosynthetically active radiation (PAR), water, in situ, micromoles of photons per square meter per second
2023-01-30 - 2023-07-28
Salinity, water, unfiltered, practical salinity units at 25 degrees Celsius BOTTOM
2021-06-15 - 2025-03-05
Salinity, water, unfiltered, practical salinity units at 25 degrees Celsius TOP
2021-06-15 - 2025-03-05
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius BOTTOM
2021-06-15 - 2025-03-05
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius TOP
2021-06-15 - 2025-03-05
Temperature, water, degrees Celsius BOTTOM
2021-06-15 - 2025-03-05
Temperature, water, degrees Celsius TOP
2021-06-15 - 2025-03-05
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) BOTTOM
2021-06-15 - 2025-03-05
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU) TOP
2021-06-15 - 2025-03-05
Daily data
1 data types available - data from 2021-06-16 to 2025-03-04
Field measurements
0 data types available
Discrete sample data
50 Observed properties (data types) available - with data from 2021-04-28 to 2025-02-05
83 Sampling activities
- Monitoring 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.
Interested in understanding how to access the upstream/downstream data? Learn about the Network-Linked Data Index (NLDI)
| USGS Parameter Group | Data Types | Start Date | End Date |
|---|---|---|---|
| Biological | Water-quality | 2021-04-28 | 2023-04-11 |
| Information | Water-quality | 2021-04-28 | 2024-02-20 |
| Inorganics, Major, Non-metals | Unit Values, Water-quality | 2021-04-28 | 2025-03-05 |
| Nutrient | Water-quality | 2021-04-28 | 2024-01-17 |
| Organics, other | Water-quality | 2021-06-08 | 2023-11-06 |
| Physical | Daily Values, Unit Values, Water-quality | 2021-04-28 | 2025-03-05 |
| n/a | USGS Annual Water Data Reports Site | 2021-01-01 | 2023-01-01 |
Monitoring location 410606073245700 is associated with an Estuary in Fairfield County, Connecticut. Current conditions of Chlorophyll relative fluorescence (fChl), Dissolved oxygen, Estuary or ocean water surface elevation above NAVD 1988, and more are available. Water data back to 2021 are available online.
| Metadata Element | Location Metadata | Metadata Code |
|---|---|---|
|
Agency
|
U.S. Geological Survey | USGS |
|
Site identification number
|
410606073245700 | n/a |
|
Site name
|
NORWALK R AT MARITIME AQUARIUM NR S NORWALK, CT | n/a |
|
Site type
|
Estuary
|
ES |
| DMS latitude | 410605.83 | n/a |
| DMS longitude | 0732457.41 | n/a |
| Decimal latitude | 41.10161944 | n/a |
| Decimal longitude | -73.4159472 | n/a |
|
Latitude-longitude method
|
Interpolated from Digital MAP. | N |
|
Latitude-longitude accuracy
|
Accurate to + or - .01 sec (Differentially-Corrected GPS). | H |
|
Latitude-longitude datum
|
North American Datum of 1983 | NAD83 |
| Decimal Latitude-longitude datum | North American Datum of 1983 | NAD83 |
|
District
|
Connecticut | 09 |
|
State
|
Connecticut | 09 |
|
County
|
Fairfield County | 001 |
| Country | US | n/a |
| Land net location description | n/a | |
| Name of location map | NORWALK SOUTH, CT | n/a |
| Scale of location map | 24000 | n/a |
| Altitude of Gage/land surface | 4 feet | n/a |
| Method altitude determined | Interpolated from Digital Elevation Model | N |
| Altitude accuracy | 1.6 feet | n/a |
|
Altitude datum
|
North American Vertical Datum of 1988 | NAVD88 |
|
Subbasin hydrologic unit
|
Saugatuck | 01100006 |
|
Drainage basin
|
n/a | |
|
Topographic setting
|
Stream channel
|
C |
| Flags for instruments at site | YNNNNNNNNNNNNNNNNNNNNNNNNNNNNN | 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 | 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 |