USGS 07386880 Vermilion River at Surrey St. at Lafayette, LA

PROVISIONAL DATA SUBJECT TO REVISION

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Data are tidally affected--Astronomical tides cause significant cycles of approximately 24.84 hours at this site. Because a different portion of the 24.84-hour tidal cycle is averaged in successive daily (24-hour) computations, a systematic secondary oscillation, unrelated to basin hydrology and having a period of about two weeks may be apparent in daily data published from December 1967 to September 2015.
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This station managed by the Baton Rouge Field Office.

Available Parameters Available Period
  
2018-03-23  2025-11-08
1995-10-10  2025-11-08
2007-10-01  2025-11-08
2018-03-23  2025-11-08
2025-07-11  2025-11-08
2018-03-23  2025-11-08
2025-01-01  2025-11-08
2007-10-17  2025-11-08







 (7)
 
  -- or --

 

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

Temperature, water, degrees Celsius
Most recent instantaneous value: 20.0 11-08-2025   15:00 CST
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Discharge, cubic feet per second
Most recent instantaneous value: 710 11-08-2025   15:15 CST
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Daily discharge, cubic feet per second -- statistics for Nov 8 based on 23 water years of record more
Min
(1988)		 25th
percen-
tile		 Median Most Recent
Instantaneous
Value Nov 8		 Mean 75th
percen-
tile		 Max
(2003)
205 455 638 710 878 1200 3490

Gage height, feet
Most recent instantaneous value: 5.50 11-08-2025   15:15 CST
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Dissolved oxygen, water, unfiltered, milligrams per liter
Most recent instantaneous value: 6.9 11-08-2025   15:00 CST
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Stream water level elevation above NAVD 1988, in feet
Most recent instantaneous value: 2.76 11-08-2025   15:15 CST
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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)
Most recent instantaneous value: 44.1 11-08-2025   15:00 CST
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Water velocity reading from field sensor, feet per second
Most recent instantaneous value: 0.92 11-08-2025   15:15 CST
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Mean water velocity for discharge computation, feet per second
Most recent instantaneous value: 0.78 11-08-2025   15:15 CST
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