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Gulfport public commenters say Bonnet Carré openings have damaged Mississippi Sound and oyster industry
Summary
At Gulfport City Council public comment residents and scientists said 2019 openings of the Bonnet Carré Spillway and ongoing Mississippi River discharges have caused algae blooms, dead dolphins and a collapse in oyster harvests, and they called for a seat at Corps of Engineers decision‑making and local restoration plans.
Public commenters at the Gulfport City Council meeting said openings of the Bonnet Carré Spillway have caused wide‑ranging ecological harm to the Mississippi Sound and demanded stronger local protections.
"When the dolphins die, human beings are next," one speaker said, tying marine mammal deaths to broader ecosystem risk. A representative for the Mississippi Sound Coalition described the spillway as "located 12 miles west of New Orleans" and said it was built by the U.S. Army Corps of Engineers in 1931. The speaker said the structure leaks polluted river water into Lake Pontchartrain and, when opened in 2019, poured trillions of cubic feet of freshwater toward the sound, producing unprecedented algal blooms.
Speakers blamed the freshwater and associated cyanotoxins for dramatic declines in oyster and fish harvests. One local harvester said seasonal catches fell from the hundreds of thousands of sacks historically to a few hundred in a single year; another said a 2019 business downturn reduced revenue by about 36%.
Advocates urged a combination of short‑ and long‑term responses: improved water‑chemistry monitoring, restoration of oyster reefs and standing up a local seat at planning and operations discussions with the Corps. "If we get the water chemistry right, the water quality right, things are gonna start going our way," one commenter said.
The comments framed the issue as both environmental and economic: speakers repeatedly noted that seafood resources are public trust assets and urged council engagement and regional cooperation with Louisiana to press the Corps for solutions.
Council members did not take formal action on the spillway during the meeting; the remarks were filed as public comment and callers asked city staff and elected officials to pursue local advocacy and scientific monitoring as next steps.
