Index for Chapter 4: Environmental Protection

The Chapter 4 Rules were adopted and took effect on July 1, 2025. All dockets received after the adoption of the rules can be found here.

This index is in numerical order by docket number. The PFDs and Orders within this site are for information only. For official copies of these documents, please contact the Railroad Commission's Records Department, (512) 463-6882.

All files are in PDF format.