The Saltwater Wedge Now

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Water Control

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Water Control Home
Hydraulic Stage & Discharge Data
Daily Stage & Discharge Data
Current Discharge Hydrographs
- Atchafalaya River
  Posted 10/23/2014
- Mississippi River at Tarbert Landing
  Posted 10/23/2014
- Total Flow at Latitude of Old River
  Posted 10/23/2014
Current Stage & Discharge Data
- Daily Stage and Discharge Data
  Posted 10/23/2014
- NWS Lower Ohio/Miss/ Lower Mississippi River Forecast
  Posted 10/23/2014
- NWS Louisiana/Southern Mississippi Rivers Forecast
  Posted 10/23/2014
- NWS Products,e.g WFO, RFC, NWC, Forecast Models, etc.
  Posted 10/23/2014
River Velocity Data
- Baton Rouge Discharge Range
  Posted 10/23/2014
- New Orleans Discharge Range
  Posted 10/23/2014
- Tarbert Discharge Range
  Posted 10/23/2014
- Simmesport Discharge Range
  Posted 10/23/2014

Where is the Saltwater Wedge Now?

DATE OF PREDICTION	River Miles Above Head of Passes (AHP) in the Mississippi River
Nov. 14, 2025
TOE OF WEDGE ESTIMATED LOCATION
River Mile 46.5 AHP
DATE AND LOCATION OF LAST FIELD MEASUREMENT
Nov. 1, 2025 River Mile 46.5 AHP

NOTE: Historical data indicate that surface water quality will exceed the Environmental Protection Agency public water supply standard of 250 ppm chloride approximately 15 to 25 miles downstream of the wedge toe.

Point of Contact for this page:
Lower Mississippi River & Tributaries Engineering Branch
CEMVN-ED-R
New Orleans, LA 70160
CEMVN-Water-Management@usace.army.mil