USGS 410606073245700 NORWALK R AT MARITIME AQUARIUM NR S NORWALK, CT

PROVISIONAL DATA SUBJECT TO REVISION

This station managed by the East Hartford CT Field Office.

Available Parameters Available Period
  
2021-06-15  2026-02-27
2021-06-15  2026-02-27
2021-06-15  2026-02-27
2021-06-15  2026-02-27
2021-06-15  2026-02-27
2021-06-15  2026-02-27
2021-06-15  2026-02-27
2022-10-17  2026-02-27
2023-04-11  2026-02-27
2021-06-15  2026-02-27
2021-06-15  2026-02-27
2021-06-15  2026-02-27
2021-06-15  2026-02-27
2021-06-15  2026-02-27
2021-06-15  2026-02-27
2021-06-15  2026-02-27
2021-07-20  2024-02-21
2023-01-30  2023-06-12







 (7)
 
  -- or --

 

 
Summary of all available data for this site
Instantaneous-data availability statement

Temperature, water, degrees Celsius, BOTTOM
Most recent instantaneous value: 1.8 02-28-2026   00:06 EST
Graph of Temperature, water, degrees Celsius

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Temperature, water, degrees Celsius, TOP
Most recent instantaneous value: 2.2 02-28-2026   00:06 EST
Graph of Temperature, water, degrees Celsius

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius, BOTTOM
Most recent instantaneous value: 41500 02-28-2026   00:06 EST
Graph of Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius, TOP
Most recent instantaneous value: 41000 02-28-2026   00:06 EST
Graph of Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

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Dissolved oxygen, water, unfiltered, milligrams per liter, BOTTOM
Most recent instantaneous value: 13.0 02-28-2026   00:06 EST
Graph of Dissolved oxygen, water, unfiltered, milligrams per liter

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Dissolved oxygen, water, unfiltered, milligrams per liter, TOP
Most recent instantaneous value: 13.0 02-28-2026   00:06 EST
Graph of Dissolved oxygen, water, unfiltered, milligrams per liter

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Dissolved oxygen, water, unfiltered, percent of saturation, BOTTOM
Most recent instantaneous value: 111 02-28-2026   00:00 EST
Graph of Dissolved oxygen, water, unfiltered, percent of saturation

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Dissolved oxygen, water, unfiltered, percent of saturation, TOP
Most recent instantaneous value: 112 02-28-2026   00:00 EST
Graph of Dissolved oxygen, water, unfiltered, percent of saturation

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pH, water, unfiltered, field, standard units, BOTTOM
Most recent instantaneous value: 8.3 02-28-2026   00:06 EST
Graph of pH, water, unfiltered, field, standard units

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Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU), BOTTOM
Most recent instantaneous value: 5.12 02-28-2026   00:06 EST
Graph of Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)

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Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU), TOP
Most recent instantaneous value: 3.82 02-28-2026   00:06 EST
Graph of Chlorophyll relative fluorescence (fChl), water, in situ, relative fluorescence units (RFU)

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Estuary or ocean water surface elevation above NAVD 1988, feet
Most recent instantaneous value: -1.02 02-28-2026   00:06 EST
Graph of Estuary or ocean water surface elevation above NAVD 1988, feet

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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), BOTTOM
Most recent instantaneous value: 4.2 02-28-2026   00:06 EST
Graph of Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)

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Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU), TOP
Most recent instantaneous value: 2.7 02-28-2026   00:06 EST
Graph of Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)

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Salinity, water, unfiltered, practical salinity units at 25 degrees Celsius, BOTTOM
Most recent instantaneous value: 27 02-28-2026   00:06 EST
Graph of Salinity, water, unfiltered, practical salinity units at 25 degrees Celsius

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Salinity, water, unfiltered, practical salinity units at 25 degrees Celsius, TOP
Most recent instantaneous value: 26 02-28-2026   00:06 EST
Graph of Salinity, water, unfiltered, practical salinity units at 25 degrees Celsius

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Photosynthetically active radiation (average flux density on a horizontal surface during measurement interval), micromoles of photons per square meter per second
 
-- Data temporarily unavailable for the time period specified --

Photosynthetically active radiation (PAR), water, in situ, micromoles of photons per square meter per second
 
-- Data temporarily unavailable for the time period specified --