Pipeline Safety Regulations—Organized, Explained, Connected
A structured guide to 49 CFR Parts 192 and 195, with plain-language explanations, enforcement context, and implementation guidance. Built by Matthew Brown, PE.
Search regulations, topics, or section numbers...Ctrl+KBrowse by regulation
Dive into the two primary pipeline safety regulations. Each hub organizes sections, enforcement data, and practical guidance around the topics that matter most.
49 CFR Part 195
Hazardous Liquid Pipelines
Safety standards for hazardous liquid and carbon dioxide pipelines—design, construction, operation, maintenance, and integrity management.
View Part 195 Hub49 CFR Part 192
Natural Gas Pipelines
Minimum safety standards for natural gas and other gas pipeline facilities—including transmission, distribution, and gathering lines.
View Part 192 HubCross-cutting topics
Concepts and programs that span both Parts 192 and 195. These guides connect the regulatory dots across the pipeline safety framework.
Pipeline Integrity Management Overview
What integrity management is, why it matters, and how Parts 192 and 195 approach it differently. The foundational concept for pipeline safety compliance.
Read guideHigh Consequence Areas (HCAs)
HCA determination is the threshold analysis that defines which pipeline segments require integrity management. Definitions, methods, and common issues.
Read guidePHMSA Enforcement Trends
What enforcement data reveals about where operators most commonly fail — and how to use that information to strengthen your own program.
Read guideFeatured articles
In-depth guides on specific regulation sections, compliance requirements, and implementation best practices.
49 CFR 195.452: Integrity Management for Hazardous Liquid Pipelines
The central integrity management regulation for liquid pipelines — covered segments, assessments, reassessment intervals, and the most-audited compliance obligations.
Read article49 CFR 192.917: Threat Identification for Gas Transmission Pipelines
How operators identify and evaluate threats to each covered segment — the foundational analysis step that drives the entire gas transmission integrity management program.
Read articlePipeline Integrity Assessment Methods
How operators select and apply in-line inspection, pressure testing, and direct assessment — and what drives those choices under Parts 192 and 195.
Read articleHigh Consequence Areas: What They Are and Why They Matter
HCA determination defines which pipeline segments require integrity management. Definitions, identification methods, and common implementation issues.
Read articleHow to use this resource
Choose your starting point based on what you need.
Start with your pipeline type
Hazardous liquid operators should begin with the Part 195 hub. Gas transmission operators should begin with Part 192.
Part 195 |Part 192New to integrity management?
Start with the Integrity Management Overview for foundational context before diving into specific regulation sections.
Read the overviewPreparing for an audit?
Review enforcement trends first to understand where auditors focus, then work through the regulation sections most relevant to your program.
View enforcement trendsNeed a better way to navigate regulation context?
Kondwit organizes PHMSA regulations, enforcement data, and inspection guidance in one structured platform — connecting regulatory sections to the context that matters.
Matthew Brown
PELicensed Professional Engineer
Pipeline integrity engineer with 15+ years of experience in integrity management program development, regulatory compliance, threat assessment, and audit preparation. Supporting operators across transmission, distribution, and hazardous liquid systems.
About the author →This content is for informational and educational purposes only. It does not constitute engineering services, legal advice, or a professional engineering opinion. Operators should consult qualified professionals for system-specific compliance decisions.