USGS 02231291 NASSAU RIVER NEAR TISONIA, FL

PROVISIONAL DATA SUBJECT TO REVISION

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This gage is monitored in cooperation with the St. Johns River Water Management District.

Link to the St. Johns River Water Management District.

REMARKS.--Computed discharge at this station may differ from individual measurements because of changes in tidal influence, wind, or other factors.

Available Parameters Available Period
  
2014-09-03  2016-09-29
2013-09-12  2025-12-15
2013-09-12  2025-12-15
2014-09-03  2016-09-08
2014-09-03  2016-09-30
2013-09-14  2025-12-14
2025-08-17  2025-12-15







 (31)
 
  -- or --

 

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

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

Discharge, cubic feet per second
Most recent instantaneous value: -1420 12-15-2025   15:30 EST
Graph of Discharge, cubic feet per second

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Gage height, feet
Most recent instantaneous value: 11.20 12-15-2025   15:30 EST
Graph of Gage height, feet

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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 --

Discharge, tidally filtered, cubic feet per second
Most recent instantaneous value: -30.1 12-14-2025   04:00 EST
Graph of Discharge, tidally filtered, cubic feet per second

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Mean water velocity for discharge computation, feet per second
Most recent instantaneous value: -0.14 12-15-2025   15:30 EST
Graph of Mean water velocity for discharge computation, feet per second

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