As part of the on-going investigation of per- and polyfluoroalkyl substances (PFAS) in the Town of Peshtigo and the City of Marinette, Tyco has posted advisory signs at various public ditches and surface water locations in the area to inform the community of the potential presence of PFAS. This advisory may also be relevant to some owners of private ponds.
A copy of the of the advisory sign language is available here and maps showing the location of the signs and sampling results are provided here.
A copy of the letter from the DNR related to this effort is included here.