Clearer Rules: Pipeline Safety Near Sensitive Spots Explained
Published Date: 4/24/2026
Rule
Summary
This update helps pipeline operators better understand safety rules for hazardous liquid and carbon dioxide pipelines, especially near sensitive areas. It clears up confusing parts of the guidance so everyone knows what to do to keep pipelines safe. The new rules kick in on August 3, 2026, and could save time and money by preventing costly mistakes.
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Analyzed Economic Effects
4 provisions identified: 4 benefits, 0 costs, 0 mixed.
Appendix C Remains Non‑Binding Guidance
If you operate hazardous liquid or carbon dioxide pipelines, Appendix C to 49 CFR part 195 is explicitly non-binding guidance. Incorporating parts of Appendix C into your integrity management (IM) program or O&M manuals does not make other parts of Appendix C legally enforceable, and you may modify elements when adapting them so long as your program meets the minimum requirements in Part 195.
Drainage Tile Consideration Clarified
If your pipeline crosses agricultural (farm) tile fields, you should consider the possibility of spillage following a drain tile into a waterway using the information and knowledge available to you. PHMSA says this clarification may reduce costs where previous guidance prompted operators to perform additional surveys or actions; the rule takes effect August 3, 2026 (comments due by June 23, 2026).
Threat Factors Relocated for Clarity
PHMSA moved guidance about considering physical support of pipeline segments, maximum operating pressure exceedances, and natural force damage (earth movement/seismicity) from the section on identifying segments that could affect High‑Consequence Areas to the section on identifying threats. If you operate pipelines, this clarifies where to consider those factors when identifying threats and setting assessment schedules in your IM program.
PHMSA Certifies Minimal Small‑Entity Impact
PHMSA certified that this direct final rule will not have a significant economic impact on a substantial number of small entities and states it expects the total costs on the regulated community to be less than zero. PHMSA also states the rule will result in minimal cost savings by reducing regulatory uncertainty, though those savings could not be quantified.
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