Compliance / FAQ
Plain-language answers on TCEQ cathodic protection requirements for underground storage tanks.
Why does my UST need cathodic protection testing?
Underground steel tanks and piping corrode over time from contact with soil and moisture. Cathodic protection systems counteract that corrosion electrochemically, but a CP system that isn't functioning provides no protection even though it's still physically installed. TCEQ requires testing to confirm the system is actually working, not just present.
How often is testing required? (The 3-Year Retest)
Under 30 TAC §334.49(c)(4)(C), cathodic protection systems must be tested within 6 months of installation, and at least once every 3 years after that. This mirrors the federal EPA standard at 40 CFR §280.31(b)(1), which TCEQ's state rule is built on. If you received a notice — or your last inspection report — telling you a system is due, this 3-year window is almost always what it's referring to. That recurring test is often called a "3-year cathodic protection survey" or "CP retest," and it's the most common reason facilities reach out to us.
Do impressed current systems need anything besides the 3-year test?
Yes. If your cathodic protection system uses an impressed current rectifier rather than passive (sacrificial anode) protection, federal rule 40 CFR §280.31(c) requires the rectifier itself to be checked every 60 days to confirm it's operating. That's a separate, more frequent check from the full 3-year survey — see Rectifier Inspections for details.
What happens if I don't comply?
Non-compliant UST systems are subject to TCEQ enforcement action, which can include required corrective measures and financial penalties. The specifics depend on your facility and history — staying current on testing is the straightforward way to avoid the issue altogether.
Do you handle repairs if my system fails?
No. Electron Cathodic Protection is survey-only by design — we don't install, replace, or repair CP equipment. This keeps our testing independent: no financial incentive to find (or invent) problems. If your system needs remediation, we'll help point you to a qualified repair contractor.
What's your service area?
Statewide Texas. We're based in Georgetown, and Central Texas — Williamson County, greater Austin, and counties within about 90 minutes (Travis, Bell, Hays, Burnet, Milam) — gets the fastest response and lowest travel cost. Multi-site contracts anywhere in the state are welcome. See the Service Area page for details.
How do I get started?
Send us your facility details — tank count, location, and any TCEQ RE number you have on hand — and we'll put together a quote. You can also call 512-887-4319 or email pmckinney@electroncathodic.com directly.