The persistence and growth of a large area of hypoxic (low oxygen) water off Louisiana’s coast is a long-standing problem that threatens the state’s coastal fisheries and the communities who depend on them. Louisiana Environmental Action Network, Louisiana Audubon Council, Gulf Restoration Network, Atchafalaya Basinkeeper, Delta Chapter of the Sierra Club, Louisiana Bayoukeeper, Lower Mississippi Riverkeeper, Ouachita Riverkeeper and RESTORE write letter to CPRA to address nutrient reduction.…