What EPA Coal Combustion Residuals - Legacy CCR Surface Impoundments and CCR Management Units (40 CFR Part 257, Subpart D) requires
Under 40 CFR Part 257 Subpart D, legacy CCR surface impoundments are subject to the requirements applicable to existing CCR surface impoundments (except the location and certain liner criteria), all CCR units are subject to the groundwater monitoring and corrective action requirements, and owners and operators must identify CCR management units; EPA extended certain compliance deadlines in its 2026 final rule.
Pillar: Water & Environmental Resources · Authority: US Environmental Protection Agency (EPA) · Version: 1.0.0 · Last updated:
Primary source: https://www.ecfr.gov/current/title-40/chapter-I/subchapter-I/part-257/subpart-D
SHA-256 integrity: 390c362d6cb8a7c978f4b68dc9272f813f4a618bc903cc4561eef151d866cff0
Primary Citations — 6 traced to source
- 40 CFR Part 257, Subpart D - Standards for the Disposal of Coal Combustion Residuals in Landfills and Surface Impoundments
- Section 257.52(b): Any CCR unit continues to be subject to the requirements in Sections 257.3-1, 257.3-2, and 257.3-3
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