Ohio § 6111.561 Development and establishment of total maximum daily load

Ohio Statutes

§ 6111.561 — Development and establishment of total maximum daily load

Ohio § 6111.561

Title 61Water Supply-Sanitation-Ditches

Ch. 6111Water Pollution Control

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Bluebook

Ohio Rev. Code Ann. § 6111.561 (2026).

Text

(A)As used in sections6111.561to6111.654of the Revised Code:

(1)"NPDES" means national pollutant discharge elimination system.

(2)"TMDL" means total maximum daily load.

(B)The director of environmental protection shall develop and establish a TMDL for waters of the state where required under section 1313(d) of the Federal Water Pollution Control Act. The director shall establish a TMDL only for pollutants that the administrator of the United States environmental protection agency has identified under section 1314(a)(2) of that act as suitable for such calculation. The director may modify a TMDL subsequent to the establishment of the TMDL in accordance with division (G) of section6111.563of the Revised Code. The development, establishment, or modification of a TMDL is not subject to

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(A) As used in sections6111.561to6111.654of the Revised Code:

(1) "NPDES" means national pollutant discharge elimination system.

(2) "TMDL" means total maximum daily load.

(B) The director of environmental protection shall develop and establish a TMDL for waters of the state where required under section 1313(d) of the Federal Water Pollution Control Act. The director shall establish a TMDL only for pollutants that the administrator of the United States environmental protection agency has identified under section 1314(a)(2) of that act as suitable for such calculation. The director may modify a TMDL subsequent to the establishment of the TMDL in accordance with division (G) of section6111.563of the Revised Code. The development, establishment, or modification of a TMDL is not subject to the rule adoption, amendment, and rescission procedures under Chapters 106., 111., 119., and 121. of the Revised Code. The director shall develop any plans or actions necessary for implementing a TMDL in accordance with this chapter.

The director shall establish each TMDL at a level necessary to achieve the applicable water quality standards for which the water of the state is impaired that accounts for seasonal variations, a margin of safety, and lack of knowledge concerning the relationship between effluent limitations and water quality.

The establishment of a final TMDL by the director is not a final action of the director and does not have the force and effect of law, but may be challenged in accordance with section6111.564of the Revised Code.

(C) A TMDL submitted to and approved by the United States environmental protection agency prior to March 24, 2015, is valid and remains in full force and effect as approved. The director may modify such a TMDL, but a modification of the TMDL shall be developed in accordance with sections6111.562and6111.563of the Revised Code. The TMDL, as established, and any modification of the TMDL, is not subject to the rule adoption, amendment, and rescission procedures of Chapters 106., 111., 119., and 121. of the Revised Code.