Water tower meant to prevent boil water advisories was offline when water pressure dropped In the process of making emergency repairs, Entergy cut power to the water plant, sending pressure plummeting, leading to the latest boil-water advisory. Author: Danny Monteverde / Eyewitness News Published: 5:58 PM CDT May 13, 2021 Updated: 6:27 PM CDT May 13, 2021 NEW ORLEANS — Water pressure across much of the city dipped a bit Wednesday as the Sewerage & Water Board worked on a water line at its Carrollton plant. That left one of the two water towers designed specifically to prevent boil-water advisories offline. At the same time the Sewerage & Water Board was doing that, Entergy New Orleans was repairing power lines damaged when a tornado touched down nearby in the early-morning hours.