WDSU Investigates: After years of complaints, Northshore residents still wait for clean water Regulators have known for some time that customers of Guste Island Utility Co. have had issues with their drinking water. But it wasn't until a buyer came forward that the Public Service Commission began an investigation into the problems Share Updated: 8:42 PM CDT Jul 27, 2021 WDSU Investigates: After years of complaints, Northshore residents still wait for clean water Regulators have known for some time that customers of Guste Island Utility Co. have had issues with their drinking water. But it wasn't until a buyer came forward that the Public Service Commission began an investigation into the problems