On-Site Sewage Facilities (OSSF)

On-Site Sewage Facilities (OSSF) An On-Site Sewage Facility permit is required for all installation, modification, and replacement of On-Site Sewage Facilities. 

View commonly asked questions by homeowners regarding their on-site sewage septic systems as well as tips to use in selecting an installer on the Texas Commission on Environmental Quality website.

Online Forms Related to On-Site Sewage Facilities

  1. Affidavit to public - Multiple Lots
  2. Affidavit to the public - Aerobic
  3. On-site sewage facility Order
  4. On-site Sewage Facility Permit Application
  5. On-Site Sewage Facility Permitting Procedures
  6. Technical Sheet