TCEQ RG-639 SWPPP template explained (2026)
RG-639 is TCEQ's free 72-page SWP3 template. You fill in every section for your site.
Free. No account, no email.
Key takeaways
- RG-639 is TCEQ's SWP3 template for this permit: May 2023, 72 pages, in English and Spanish, Word or PDF.
- It comes blank. You supply your site, soil, maps, controls and dates.
- It prints the 30 TAC 305.128 certification for the signer.
- A Word version exists, so you can type into it.
What is in RG-639?
| Section | What it holds |
|---|---|
| Shared signature page | Each operator in a shared plan signs |
| General site information | Who and where |
| Sequence of grading | The order of soil-disturbing work |
| Acreage and soil | Acres of the property and of construction; soil data |
| Site maps | The general location map and detailed site maps |
| Support activities | Staging, borrow, batch plants |
| Authorization documents | The notice or NOI |
| BMP list and sediment basin sheet | Your controls and basin sizing |
| Allowable non-stormwater list | The discharges the permit allows |
| Inspection personnel | Who inspects |
| Dewatering worksheets | Daily observation records |
| Inspection plans and adverse conditions log | Schedule and suspensions |
What do I still have to do myself?
You pick the controls and the schedule, draw or attach the site maps, and look up your receiving water and your storm sewer operator.
You fill in and sign the plan. The permit requires a SWP3 that is developed and implemented before work starts.
How does RG-639 relate to the permit?
The permit lists what a SWP3 must contain in Part III.F: site description, site map items, controls and timing, maintenance, dewatering, inspections. RG-639 is TCEQ's template for it.
We read RG-639's headings and its inspection and certification pages, not all 72 pages.
What does ReadySWPPP add?
ReadySWPPP builds the plan from the permit and your site's facts, and checks it against every requirement. See how we check every plan and the sample plan.
FAQ
Is RG-639 free?
Yes. TCEQ publishes it as a download.
Is RG-639 required?
The permit requires a SWP3 with the Part III.F elements. RG-639 is TCEQ's template for writing one.
Where do I get it?
From TCEQ: RG-639 (PDF).
Facts and sources
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