Pipeline Safety Rulemaking

The table below summarizes the status and timeline for all pipeline safety rulemaking. The full set of records for each rulemaking can be accessed by searching under the referenced Proceeding Number on the PUC’s E-Filings page.

Current Pipeline Safety Rulemakings

Advanced Leak Detection and Leak Repair

Temporary Rules (Proceeding No. 25R-0280GPS) were issued October 29, 2025. These rules remain in effect for 210 days or until permanent rules become effective (whichever period is less).

Milestone	Scheduled Completion Date	Notes
Pre-Rulemaking Meetings	March 19, 2025
Notice of Proposed Rulemaking (NOPR)	June 30, 2025
Initial Public Comments	July 22, 2025
Response Comments	July 29, 2025
Public Hearing	August 5, 2025
Recommended Decision	October 15, 2025
Exceptions Due	November 4, 2025
Final Adoption of Rules by PUC	November 2025
Publication and Effective Date	TBD	In most cases, adopted rules become effective within two months of their adoption (generally, 20 days following public in the Colorado Register).