NEW ORLEANS - Widespread loss of water pressure has been reported in New Orleans, and the city is advising residents in a large swath of the city boil their water.

The city said in a statement Sunday morning that Sewerage & Water Board officials were still working to determine the cause of the loss of water pressure at the S&WB Power Plant.  

The statement said the boil water advisory is in effect for all of the East Bank of Orleans Parish until further notice from the city.

Mayor Mitch Landrieu tweeted Sunday morning: "Widespread loss of water pressure reported. We are looking into it the matter."