EPA Wants Easier Rules for Not Spilling Toxins in Water
Published Date: 2/18/2026
Proposed Rule
Summary
The EPA is asking for your thoughts on updating rules for hazardous substance spill plans to make them clearer and easier to follow. These changes affect facilities that handle dangerous chemicals near water and aim to protect people and the environment without adding extra hassle. You’ve got until March 20, 2026, to share your ideas before any new rules are proposed.
Analyzed Economic Effects
4 provisions identified: 2 benefits, 2 costs, 0 mixed.
Lower thresholds expand coverage
If your non-transportation onshore facility stores Clean Water Act hazardous substances in onsite quantities at or above 1,000 times the Reportable Quantity (RQs) and is within one-half mile of navigable waters or a conveyance, you must submit a Substantial Harm determination to EPA. RQs are 1, 10, 100, 1,000, and 5,000 lbs, so the corresponding 1,000x threshold quantities are 1,000; 10,000; 100,000; 1,000,000; and 5,000,000 lbs, and EPA says the 1,000x multiplier directly affected the size of the regulated universe compared to the previously proposed 10,000x multiplier.
Detailed FRP plan and response duties
Facilities required to submit a Facility Response Plan (FRP) must include detailed emergency response information and general plan elements such as identifying a Qualified Individual (QI) with full authority, evidence of contracts for response personnel and equipment (including firefighting capabilities), training, testing and drills, an emergency response action plan addressing the first two hours of response, facility diagrams and evacuation plans, and self-inspection records retained for five years. Plans must be updated periodically and resubmitted for each significant change.
Flexible planning-distance calculations
Owners or operators may use any methodology, model, or technique to calculate planning distances for substantial-harm endpoints and worst-case discharge response resources, provided the approach accounts for applicable requirements and facility-specific conditions (for example, water flow rate). The rule describes the planning-distance calculations as performance-based rather than prescribing a single model.
Opportunity to seek rule changes
EPA is soliciting feedback through an advance notice of proposed rulemaking on potential amendments to the March 28, 2024 CWA hazardous substance FRP rule to address implementation challenges and reduce regulatory burden while maintaining planning requirements. Stakeholders can submit comments to Docket ID EPA-HQ-OLEM-2025-1707 at regulations.gov by March 20, 2026 on topics including RQ multipliers, alternate threshold approaches, de minimis container sizes and concentrations, proximity definitions (facility boundary vs nearest opportunity), planning distance methods, exemptions (for example wastewater treated by publicly owned treatment works), and how to treat CWA hazardous substances in oils already subject to 40 CFR part 112.
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Key Dates
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