Fidel: Where did you go to university? abra Parish President David Peralta said, “After notification from our state and federal partners regarding this matter, we conducted immediate and exhaustive testing of the entire water supply of St. Bernard Parish.  The CDC’s testing detected no evidence of the parasite, however out of abundance of caution; steps were taken immediately to continue to ensure a safe water supply in St. Bernard Parish.  We will continue enhanced monitoring and testing of the water supply.”