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Caernarvon and Davis Pond Diversions

2019 Davis Pond Structure

2024 Operations Plans:

Caernarvon Operational Plan

Davis Pond Operational Plan

Caernarvon Operations Status Update:

Caernarvon Discharge

Caernarvon 15ppt Gage:  Black Bay near Stone Island (USGS site 073745275)

Caernarvon 5ppt Gage:  Crooked Bayou (USGS site 073745257)

2024 Caernarvon Freshwater Diversion discharge and 14-day salinity moving average at the Black Bay near Stone Island gage (073745275) through 05/12/2024. These data are provisional. The Stone Island gage is the primary gage used to guide diversion operations from December through May.


Davis Pond Operations Status Update:

Davis Pond Discharge

Davis Pond 15ppt Gage:  Barataria Bay nr Grand Terre (USGS site 291929089562600)

Davis Pond 5ppt Gage:  Little Lake Bay Dos Gris (USGS site 292800090060000)

2024 Davis Pond Freshwater Diversion discharge and 14-day salinity moving average at the Barataria Bay Near Grand Terre Island gage (291929089562600) through 05/12/2024. These data are provisional. Due to gage malfunction, the mean salinity data between 01/31/2024 and 03/05/2024 are based on the available data, which is calculated on less than the standard 14 days. The Grand Terre Island gage is the primary gage used to guide diversion operations from December through May.


Caernarvon Overview Information

The project was authorized on October 27, 1965, by Public Law 89-298, of the 89th Congress, 1st Session. It is near Braithwaite, Louisiana, on the left descending bank of the Mississippi River in Plaquemines Parish at mile 81.5.

2022 CIAC Presentation

Davis Pond Overview Information

The project was authorized by the Flood Control Act of 1965, the Water Resources Development Act of 1974, and the Water Resources Development Act of 1986.  It is near Luling, Louisiana, on the west bank of the Mississippi River in St. Charles Parish at mile 118.4.

2022 DPAC Presentation