On-site Sewage Facilities: Information for Licensees
If you hold or would like to acquire an on-site sewage facility (OSSF) license, find out how to get training, pay fees, or renew your license. Information about rules, and permitting, choosing, or maintaining a system. Contact information for local programs, TCEQ, or to file a complaint.
Obtaining an on-site sewage facility (OSSF) license
TCEQ occupational license and registration online renewal
How delinquent fees and penalties affect your application
A list of OSSF approved education providers
List of Court Judgements against OSSF Professionals 
Local OSSF program contacts and orders
Find TCEQ-approved products for OSSFs
General information and answers about OSSFs
Filing a complaint related to an OSSF
Deciding which OSSF is best for you
OnSite Activity Reporting System
TCEQ Rules
Title 30, Texas Administrative Code, (30 TAC) Chapter 285 (OSSF)