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.
As added by P.L.78-2009, SEC.16. Amended by P.L.112-2016, SEC.18; P.L.85-2017, SEC.67.