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USGS 05474500 Mississippi River at Keokuk, IA

PROVISIONAL DATA SUBJECT TO REVISION

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> Site Information

Funding For This Site Provided By:

Link to Upstream Gage

Iowa WSC Gage Network

Link to Downstream Gage


This station managed by the Iowa City Field Office.

Available Parameters Available Period
  
2021-05-06  2025-10-14
2021-05-06  2025-10-14
2021-05-06  2025-10-14
2021-05-20  2025-10-14
2021-05-06  2025-10-14
2021-05-06  2025-10-14
2023-04-13  2025-10-14







 (7)
 
  -- or --

 

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

Temperature, water, degrees Celsius
Most recent instantaneous value: 20.4 10-14-2025   04:45 CDT
Graph of Temperature, water, degrees Celsius

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Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
Most recent instantaneous value: 540 10-14-2025   04:45 CDT
Graph of Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius

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Dissolved oxygen, water, unfiltered, milligrams per liter
Most recent instantaneous value: 4.2 10-14-2025   04:45 CDT
Graph of Dissolved oxygen, water, unfiltered, milligrams per liter

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pH, water, unfiltered, field, standard units
Most recent instantaneous value: 8.3 10-14-2025   04:45 CDT
Graph of pH, water, unfiltered, field, standard units

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Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll
Most recent instantaneous value: 34.64 10-14-2025   04:45 CDT
Graph of Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll

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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)
 
-- Data temporarily unavailable for the time period specified --

Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen
Most recent instantaneous value: 1.26 10-14-2025   04:45 CDT
Graph of Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen

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