But on September 1 , 2008 , the gates were closed as Hurricane Gustav approached the Louisiana coast .
A whistleblower claimed the temporary pumps have inadequate capacity to prevent the canal from overflowing and predicted failure of both the pumps and gates .
On September 1 , 2008 , the gates were closed as Hurricane Gustav approached the Louisiana coast .
A whistleblower claimed the temporary pumps have inadequate capacity to prevent the canal from overflowing and predicted failure of both the pumps and gates .