Contact Information
200 S. Spruce Street
Grand Junction, CO 81501

(970) 254-4141


The Mesa County On-site Wastewater Treatment System (OWTS) Department offers the following services and programs related to OWTS installation, use and abandonment:

  • OWTS Permits
  • OWTS Clearances
  • Installation Inspections (performed by Mesa County Building Department)
  • Review of land use applications when OWTS is proposed
  • Training and licensing of OWTS installers and cleaners
  • Investigation of complaints regarding sewage from OWTS