The St. Louis County Sheriff’s Office has activated the Ready, Set, Go evacuation process for a small area in the northern part of the county due to wildfire conditions. Find the map and more information here: St Louis County MN Emergency Services Hub

An air quality warning has been issued. Learn more here: Air quality alert issued due to wildfire smoke for Tuesday, July 14, through Thursday, July 16, for northeast Minnesota | Minnesota Pollution Control Agency

 

Onsite Wastewater (Septic Systems)

 
 

moundsystem


 

The Onsite Wastewater Division is responsible for the administration and coordination of onsite wastewater treatment systems throughout St. Louis County. The division regulates the St. Louis County Subsurface Sewage Treatment System Ordinance 61, along with incorporating by reference minimum standards established by Minnesota statutes and administrative rules of the Minnesota Pollution Control Agency (MPCA). These regulations are intended to serve the best interests of the County's citizens by protecting their health, safety, general welfare and natural resources.

Forms and Applications
Buying-Selling Property
Financial Assistance-Septic
Training and Education


Apply Online Portal - Septic Permits

Apply Now

 

News

 

  1. June 2nd - Read our latest updates for the 2026 season.
  2. SSTS Ordinance 61 amendments adopted by the County Board on March 28, 2023. Click here to view the amended ordinance and technical standards.
  3. Online Permitting is here! Click here to apply for a septic permit online.
  4. Septic Records Online: Click Here
  5. Free Subscription service about septic news: Click Here
For further information, email us at: oswinfo@stlouiscountymn.gov