Part 195: Transportation of Hazardous Liquids by Pipeline

Current as of Oct 29, 2026PHMSA151 sections and appendicesPart 195 on eCFR ↗

Subpart A: General

  • §195.0 Scope
  • §195.1 Which pipelines are covered by this Part?
  • §195.2 Definitions
  • §195.3 What documents are incorporated by reference partly or wholly in this part?
  • §195.4 Compatibility necessary for transportation of hazardous liquids or carbon dioxide
  • §195.5 Conversion to service subject to this part
  • §195.6 Unusually Sensitive Areas (USAs)
  • §195.8 Transportation of hazardous liquid or carbon dioxide in pipelines constructed with other than steel pipe
  • §195.9 Outer continental shelf pipelines
  • §195.10 Responsibility of operator for compliance with this part
  • §195.11 What is a regulated rural gathering line and what requirements apply?
  • §195.12 What requirements apply to low-stress pipelines in rural areas?
  • §195.13 What requirements apply to pipelines transporting hazardous liquids by gravity?
  • §195.15 What requirements apply to reporting-regulated-only gathering lines?
  • §195.18 How to notify PHMSA

Subpart B: Annual, Accident, and Safety-Related Condition Reporting

Subpart C: Design Requirements

Subpart D: Construction

Subpart E: Pressure Testing

Subpart F: Operation and Maintenance

Subpart G: Qualification of Pipeline Personnel

Subpart H: Corrosion Control

  • §195.551 What do the regulations in this subpart cover?
  • §195.553 What special definitions apply to this subpart?
  • §195.555 What are the qualifications for supervisors?
  • §195.557 Which pipelines must have coating for external corrosion control?
  • §195.559 What coating material may I use for external corrosion control?
  • §195.561 When must I inspect pipe coating used for external corrosion control?
  • §195.563 Which pipelines must have cathodic protection?
  • §195.565 How do I install cathodic protection on breakout tanks?
  • §195.567 Which pipelines must have test leads and what must I do to install and maintain the leads?
  • §195.569 Do I have to examine exposed portions of buried pipelines?
  • §195.571 What criteria must I use to determine the adequacy of cathodic protection?
  • §195.573 What must I do to monitor external corrosion control?
  • §195.575 Which facilities must I electrically isolate and what inspections, tests, and safeguards are required?
  • §195.577 What must I do to alleviate interference currents?
  • §195.579 What must I do to mitigate internal corrosion?
  • §195.581 Which pipelines must I protect against atmospheric corrosion and what coating material may I use?
  • §195.583 What must I do to monitor atmospheric corrosion control?
  • §195.585 What must I do to correct corroded pipe?
  • §195.587 What methods are available to determine the strength of corroded pipe?
  • §195.588 What standards apply to direct assessment?
  • §195.589 What corrosion control information do I have to maintain?
  • §195.591 In-Line inspection of pipelines

Appendices and other sections

Compiled from the Electronic Code of Federal Regulations (eCFR), an editorial compilation and not an official legal edition of the CFR. The official text is the Federal Register and the annual CFR edition.