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Indiana Code Title 13. Environment § 13-18-3-2.1

Current as of January 01, 2026 | Updated by Findlaw Staff

Sec. 2.1. (a) If:

(1) a discharge results from an activity for which:

(A) an NPDES permit subject to IC 13-15-4-1(a)(2)(B), IC 13-15-4-1(a)(3)(B), or IC 13-15-4-1(a)(4);  or

(B) a modification or renewal of a permit referred to in one (1) of the sections referred to in clause (A);

is sought;  and

(2) the permit application or application to modify or renew the permit proposes a new or increased discharge that would result in a significant lowering of water quality as defined in IC 13-18-3-2(l)(1);

the deadline for the department to complete the antidegradation review under 40 CFR 131.12 and 40 CFR Part 132, Appendix E with respect to the discharge is the deadline for the commissioner to approve or deny the NPDES permit application under IC 13-15-4-1.

(b) The commissioner may extend for cause for not more than ninety (90) days the deadline under subsection (a) for the department to complete the antidegradation review.

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Cite this article: FindLaw.com - Indiana Code Title 13. Environment § 13-18-3-2.1 - last updated January 01, 2026 | https://codes.findlaw.com/in/title-13-environment/in-code-sect-13-18-3-2-1/

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