Texas Septic & Well Water Rules
The Texas Commission on Environmental Quality (TCEQ) regulates on-site sewage facilities (OSSFs) and licenses installers and maintenance providers. Local permitting authorities issue permits.
This is a short state page. It covers only the facts we've verified from official sources so far.
Official lookups
Aerobic system maintenance
- Owners of aerobic treatment systems must keep a maintenance contract with a TCEQ-licensed maintenance provider.
- The provider must inspect the system and report to the permitting authority and the owner at least every four months, or every six months with electronic monitoring.
- Check that the provider is certified for your system's brand.
Frequently asked questions
Do I need a maintenance contract for my aerobic septic in Texas?
Yes. TCEQ requires aerobic OSSF owners to have a contract with a licensed maintenance provider.
Sources
Last checked: October 21, 2026
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