Most states have one agency for industrial waste. Texas has two, and which one governs your stream is one of the more commonly misread questions on a Gulf Coast jobsite.
The split is about origin, not composition
This is the part that catches people. The dividing line is not what the material is — it is what activity produced it. Waste generated by the exploration, development or production of oil and gas generally falls to the Railroad Commission of Texas. Industrial and hazardous waste generated by other activity generally falls to the TCEQ. Two drums of visually identical sludge can sit under different agencies because of where they came from.
Why the distinction has teeth
Jurisdiction determines the manifest you use, the facility authorizations that count as valid, and the records you have to keep. Route an RRC-jurisdiction stream to a facility authorized only for TCEQ waste and the paperwork does not reconcile — and generator liability does not transfer, so that is your problem, not the hauler's.
Where it gets genuinely ambiguous
Plants that run both upstream-associated and general industrial operations produce streams on both sides of the line. Tank bottoms, produced water and drilling residuals usually sit with the RRC. Process waste, spent solvents and general plant maintenance waste usually sit with the TCEQ. Mixed streams, and anything generated by a service company working on someone else's site, are worth confirming rather than assuming.
How to settle it before you load
Characterize the stream first, and characterize it on origin as well as composition. Ask which agency the generating activity falls under, confirm the receiving facility is authorized for that jurisdiction, then cut the manifest against the right generator number. This is a five-minute conversation before the truck rolls and a much longer one afterward.
The short version
If the waste came out of oil and gas exploration, development or production, start from the Railroad Commission. If it came from anything else industrial, start from the TCEQ. If you cannot say which with confidence, that is the signal to profile it properly rather than guess. We do that work as part of the job, and it is the reason our documentation reconciles at audit.
A note on what this is
This is a practical orientation, not legal or regulatory advice. Jurisdiction turns on the specifics of your stream and your operation — confirm yours with your environmental group or with us before you route anything.
Dispatch answers 24 hours · 7 days · 365. If you are working out how to scope a job, call rather than guess.