20250409 14341500 1.0 TRUE Drinking Water Supply Management Areas (DWSMA) New generation of Drinking Water Supply Management Areas for surface water intakes. This is the endorsed surface and subsurface area surrounding a public water supply intake that contains the scientifically calculated surface water protection area and is managed by the entity identified in a surface water protection plan. The boundaries of a DWSMA-SW are delineated by watershed and DNR-delineated catchment boundaries. Minnesota Department of Health