On-site Septic Systems

Inspections
Clay County Environmental Health inspects rural and urban septic systems, and issues permits and certifications.

New and Existing Septic Systems
All new septic systems require a design, a permit, and an inspection prior to backfilling.
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All existing septic systems must be certified by the county prior to a transfer of ownership. It is the responsibility of the seller to arrange for an inspection. If it is determined that updates are needed, the costs associated with those updates are negotiated between the 2 parties.

Septic Permit Application


Upon completion of the Septic Permit Application / Certification Form and any necessary attachments, please sign and date the form and return it, along with payment, in person or by mail to Clay County Environmental Health office, which is located at:
715 11th St. N.
Suite 303
Moorhead, MN 56560


Helpful Information


For further information on septic systems, check out the following websites:

Sewage Code


View the related County Code. The Sewage Treatment Ordinance is under Title 6: Sewage Treatment.

Finding the Correct Document


  • Click the + sign on the title folder to show the chapter folders
  • Click the + sign on the chapter folders to see the documents in the folder
  • Click on the document to display that document