Pipeline Safety: Guidance for Enhancing the Effectiveness of Distribution Integrity Management Programs
PHMSA issues this advisory bulletin to remind owners and operators of gas distribution systems of the distribution integrity management program (DIMP) requirements under 49 CFR part 192, subpart P. The guidance is intended to improve implementation of DIMP risk evaluations by addressing factors such as high-risk infrastructure, interactive threats, and leak management effectiveness. In addition, the guidance urges pipeline operators to adopt the most appropriate risk models for use within their integrity management programs, with full consideration of probabilistic risk models.
What this item does
The short version, using the agency's own summary text.
PHMSA issues this advisory bulletin to remind owners and operators of gas distribution systems of the distribution integrity management program (DIMP) requirements under 49 CFR part 192, subpart P. The guidance is intended to improve implementation of DIMP risk evaluations by addressing factors such as high-risk infrastructure, interactive threats, and leak management effectiveness. In addition, the guidance urges pipeline operators to adopt the most appropriate risk models for use within their integrity management programs, with full consideration of probabilistic risk models.
Notice; issuance of advisory bulletin.
Important dates
The dates that matter most for this item.
Published
July 13, 2026
Who published it
The agencies listed in the official filing.