GRAND ISLE, La. (WGNO) — Parts of Grand Isle are under a boil water advisory on Wednesday, Jan. 22. Jefferson Parish officials said the advisory comes after "multiple broken water lines" created a loss of pressure. Historic snowstorm blankets Gulf Coast, record snowfall reported across New Orleans metro Parish officials said the advisory will impact the Cheniere side of Grand Isle to Rosethorn Lane and remain in effect until further notice. Residents are advised to boil their water for one minute before making ice, brushing their teeth, washing dishes and preparing food until the advisory has been lifted. Stay up to date with the latest news, weather and sports by downloading the WGNO app on the Apple or Google Play stores and by subscribing to the WGNO newsletter. Latest Posts Deportations will not stop illegal crossings, advocate says Communities walk tightrope as Trump ramps up immigration enforcement, threatens tariffs Laura Loomer pleads for Trump help amid Musk dispute: 'A slap in my face' Judge Chutkan: Trump pardons won't change 'tragic truth' of Jan. 6 Capitol riot 5 key moments in Northwest Louisiana's civil rights history