For properties without a connection to municipal sewage treatment systems, Minnesota Administrative Rule Chapters 7080 through 7083 and the Mille Lacs County Subsurface Sewage Treatment System Ordinance (PDF) require waste water and sewage to be treated by a Subsurface Sewage Treatment System (SSTS).
SSTS must be designed and installed by licensed SSTS installers and designers certified by the Minnesota Pollution Control Agency (MPCA).
Permits, issued by Mille Lacs County Environmental Resources, are required for the following:
Greenbush Township administers their own SSTS program. Residents in Greenbush township seeking SSTS information need to contact the Township.
Mille Lacs County requires that SSTS be inspected when one of the following occurs:
Installations, designs, and compliance inspections are completed by licensed individuals certified by the MPCA. A The Minnesota Pollution Control Agency maintains of a list of all certified individuals; a list of local SSTS contractors is also available:
For compliance inspection or existing system information please email our SSTS staff or call 320-983-8458.