Rule 3745-525-203 | Liner design criteria for new CCR surface impoundments and any lateral expansion of a CCR surface impoundment, 40 C.F.R. 257.72.
(A) New CCR surface impoundments and lateral expansions of existing and new CCR surface impoundments shall be designed, constructed, operated, and maintained with either a composite liner or an alternative composite liner that meets the requirements of paragraph (B) or (C) of rule 3745-525-201 of the Administrative Code.
(B) Any liner specified in this rule shall be installed to cover all surrounding earth likely to be in contact with CCR. Dikes shall not be constructed on top of the composite liner.
(C) Prior to construction of the CCR surface impoundment or any lateral expansion of a CCR surface impoundment, the owner or operator shall demonstrate and obtain certification from a qualified professional engineer that the design of the composite liner or, if applicable, the design of an alternative composite liner complies with the requirements of this rule.
(D) Upon completion, the owner or operator shall obtain certification from a qualified professional engineer that the composite liner or if applicable, the alternative composite liner has been constructed in accordance with the requirements of this rule.
(E) The owner or operator of the CCR unit shall comply with the recordkeeping requirements specified in paragraph (F) of rule 3745-525-50 of the Administrative Code, the notification requirements specified in paragraph (F) of rule 3745-525-60 of the Administrative Code, and the internet requirements specified in paragraph (F) of rule 3745-525-70 of the Administrative Code.
Last updated October 1, 2026 at 9:22 AM
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