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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  2025-11-19
2021-05-06  2025-11-19
2021-05-06  2025-11-19
2021-05-20  2025-11-19
2021-05-06  2025-11-19
2021-05-06  2025-11-19
2023-04-13  2025-12-17







 (7)
 
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Summary of all available data for this site
Instantaneous-data availability statement

Temperature, water, degrees Celsius
 
-- Data temporarily unavailable for the time period specified --

Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius
 
-- Data temporarily unavailable for the time period specified --

Dissolved oxygen, water, unfiltered, milligrams per liter
 
-- Data temporarily unavailable for the time period specified --

pH, water, unfiltered, field, standard units
 
-- Data temporarily unavailable for the time period specified --

Chlorophyll fluorescence (fChl), water, in situ, concentration estimated from reference material, micrograms per liter as chlorophyll
 
-- Data temporarily unavailable for the time period specified --

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: 2.16 12-17-2025   15:45 CST
Graph of Nitrate plus nitrite, water, in situ, milligrams per liter as nitrogen

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