PolicyBrief
H.R. 5537
119th CongressSep 19th 2025
Pipeline Accountability Act of 2025
IN COMMITTEE

The Pipeline Accountability Act of 2025 strengthens pipeline safety and environmental standards, mandates public transparency, and empowers citizens to enforce compliance.

Lori Trahan
D

Lori Trahan

Representative

MA-3

LEGISLATION

Pipeline Accountability Act Mandates 30-Minute Rupture Isolation, Bans Hydrogen Blending Pending New Law

The new Pipeline Accountability Act of 2025 is aiming to completely overhaul how pipelines are regulated, focusing hard on safety, environmental concerns, and transparency. The bill’s main goal is to force faster responses to pipeline failures and integrate climate goals into infrastructure planning, but it comes with some serious regulatory shake-ups, including an effective, indefinite freeze on blending hydrogen into existing natural gas lines.

The 30-Minute Clock: Why Speed Matters

If you live near a pipeline, this is the most critical section. Under Section 105, operators of gas, hazardous liquid, and CO2 pipelines running through sensitive zones—called “covered locations” like high consequence areas—will have a hard deadline. Starting five years after this law is enacted, they must be able to isolate a ruptured segment within 30 minutes of identifying the break. This is a huge shift, designed to drastically limit the amount of product that spills out in a disaster. Think about a major oil spill or gas leak: cutting off the flow in 30 minutes instead of hours could mean the difference between a local cleanup and an ecological catastrophe. Operators who can’t hit that 30-minute mark can ask for a five-year waiver, but they’ll have to prove why it’s impossible and consult with local emergency services and environmental groups about the worst-case scenario.

Conflict-Free Safety Standards

Ever wonder who sets the safety rules? It’s technical committees, and Section 103 is making sure those people have no skin in the game. It strictly prohibits anyone serving on these technical safety standards committees from having any financial ties—no ownership, consulting fees, wages, or research funding—from the pipeline, petroleum, ethanol, or gas industries. If you want to serve, you have to hand over your financial records annually. The idea here is simple: safety standards should be set purely on the basis of protecting the public and the environment, not on protecting industry profits. This is a big win for impartial regulation.

Your Right to Know: Transparency Goes Public

For years, getting basic information about the pipeline running near your home or business has been like pulling teeth. Section 203 changes that. Within a year, operators must post a huge amount of safety data online, free, and in an easy-to-read format. This includes what the pipeline is carrying (including contaminants), emergency response plans for the public, setback distances for buildings, and, for CO2 pipelines, dispersion modeling showing the zone where a rupture could be fatal. Operators also have to send an annual notification to nearby property owners and tenants detailing their rights and the operator's duties. If you ask for more, they have 90 days to provide detailed safety data, like incident history and maximum operating pressure. This is a massive step toward empowering communities with the information they need to prepare and hold operators accountable.

The Office That Pays Attention

To back up that transparency, Section 201 creates a new Office of Public Engagement within the Pipeline and Hazardous Materials Safety Administration (PHMSA). This office is specifically tasked with helping the public, especially those in environmental justice communities, understand PHMSA’s work. The office must actively engage with communities, even covering costs for things like childcare and transportation to meetings to ensure participation. Crucially, it must set up a confidential system for people to report concerns and leaks, and if an incident happens, the Director must step in to help affected people find the right agency for testing, cleanup, and compensation.

Regulatory Headaches and the Hydrogen Ban

While the bill is strong on safety, it introduces two major regulatory concerns. First, Section 102 eliminates several detailed procedural requirements for cost-benefit analyses when setting new safety standards. While the intent might be to speed up safety rule implementation, removing these checks could reduce the procedural rigor and transparency around how new rules are justified.

Second, and more significantly for the energy transition, Section 107 imposes a near-total ban on blending hydrogen into existing natural gas distribution pipelines. Unless Congress passes a new law specifically regulating how to do this safely, operators cannot move hydrogen (beyond trace contamination amounts) through these systems. This effectively puts a stop sign on hydrogen blending projects—a key strategy for some utilities looking to decarbonize—until an entirely new regulatory framework is established. For the natural gas industry, this creates immediate regulatory uncertainty and halts investment in blending projects. For consumers, it means one potential path for reducing emissions through existing infrastructure is closed for the foreseeable future.