Dunn County staff present DNR-vetted septage fact sheet as groundwater concerns resurface

Public comment and staff discussion at the July 16 Dunn County Planning, Resource and Development Committee meeting focused on land application of human septage, the regulatory limits local governments face and the county’s groundwater monitoring work.

Committee chair and staff opened the item after a public commenter raised groundwater contamination concerns and cited a state report showing high county groundwater use. The county then presented a two‑page fact sheet about septage land application that staff said they had reviewed with the Wisconsin Department of Natural Resources (DNR) and the county’s Healthy Environment Action Team.

Why it matters: County staff said the fact sheet seeks to clarify how sites are approved and what local authorities can — and cannot — require. The topic has been raised repeatedly in public comment and connects to ongoing county efforts including nutrient management planning, private well monitoring and producer‑led watershed…