EPA Eases Coal Ash Waste Management Regulations
Published Date: 4/13/2026
Proposed Rule
Summary
The EPA is updating rules on how electric utilities handle coal waste, making it easier to manage and reuse safely. These changes affect power plants and waste managers by allowing more flexible cleanup and reuse options, with a public comment deadline on June 12, 2026. The updates could save money and speed up cleanup while protecting the environment.
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Analyzed Economic Effects
6 provisions identified: 6 benefits, 0 costs, 0 mixed.
EPA's Estimated Annualized Cost Savings
EPA's Regulatory Impact Analysis estimates annualized cost savings from this action of $174–$194 million per year when discounting at 3% and $232–$262 million per year when discounting at 7%. EPA estimates net annualized cost savings and benefits, net of disbenefits, of $169–$189 million per year at 3% and $229–$260 million per year at 7%.
Exempt CCR Dewatering Structures
EPA proposes to exempt coal combustion residual (CCR) dewatering structures from the federal CCR regulations in 40 CFR part 257. If finalized, owners or operators of these dewatering structures would no longer be regulated under those part 257 provisions.
New Site‑Specific Permitting Pathway
EPA proposes a new compliance pathway that lets permitting authorities consider site-specific data when setting permit conditions for CCR units. This pathway can change groundwater monitoring points of compliance, corrective action cleanup levels, closure requirements and timeframes, and allow CCR extraction for beneficial use during post-closure care.
Remove 12,400‑Ton Environmental Demo
EPA proposes to remove the fourth beneficial‑use criterion that currently requires an environmental demonstration for non‑roadway uses of more than 12,400 tons of unencapsulated CCR placed on land. After this change, those non‑roadway large uses would not be subject to that demonstration requirement under the federal definition of beneficial use.
Exclude Specific CCR Uses From Federal Rules
EPA proposes to exclude the following beneficial uses from the federal CCR regulations: (1) CCR used in cement manufacturing at cement kilns, (2) flue gas desulfurization (FGD) gypsum used in agriculture, and (3) FGD gypsum used in wallboard. These specific uses would not be regulated under federal part 257 if the exclusion is finalized.
Broaden Legacy Closure and Deferrals
EPA proposes to broaden the criteria for closure‑by‑removal certification for legacy CCR surface impoundments and to broaden deferral criteria for legacy impoundments that completed closure under a regulatory authority prior to November 8, 2024. EPA also proposes to amend the scope of CCR management unit (CCRMU) regulations.
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