Construction requirements
Construction work on septic systems must be completed by a licensed septic professional. The Minnesota Pollution Control Agency maintains a list of septic professionals that are licensed to install, inspect, design and pump/maintain septic systems.
For construction of a septic system, a licensed designer must design the system and create a site plan before a permit is made. Your septic designer will work with a separate septic professional to verify the site conditions. A licensed installer must install the system after issuance of the permit. Your designer and installer can be the same person. Septic professionals may work anywhere in Minnesota and are not restricted to the city or county in which their company is located.
For properties located within Dakota County's jurisdiction (shoreland areas, cities of Randolph, New Trier and Hastings and townships of Randolph and Waterford) permits can be obtained through Dakota County after a design is completed.
For properties located in Dakota County's septic jurisdiction, complete the 
Septic System Permit Application.
Septic permit application and construction procedures
- Hire a state licensed designer to design the septic system.
- Submit the completed subsurface treatment system (SSTS) permit application, septic design with two separate soils verifications, detailed site plan and permit fee to the Dakota County Environmental Resources Department.
- The Environmental Resources Department may schedule a pre-inspection of your site. Details will be discussed upon receipt of the completed application materials.
- When the permit is issued, make arrangements with a licensed installer to install your system. Permits are valid for up to one year from their date of issue.
- A final inspection is required and must be scheduled before the system is covered with earth. The Environmental Resources Department schedules inspections by appointment at 952-891-7024 or 952-891-7008.
- Dakota County must receive the as-built record signed by the installer prior to issuing a certificate of compliance.
Repair requirements
According to Dakota County Ordinance 113, non-compliant systems must be upgraded to meet the standards of Ordinance 113 and Minnesota Rule Chapter 7080. After being notified of non-compliance by the local municipality, a homeowner has 30 days to resolve an imminent threat to public health or safety, and 10 months to permanently upgrade a non-compliant system.