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 Texas Commission on Environmental Quality website.

Online forms related to On-Site Sewage Facilities:

• Permitting Procedures
• OSSF Permit Application
• Affidavit to Public - Aerobic
• Affidavit to Public -Multiple Lots
• Technical Sheet
• On-site Sewage Facility Order