Authority: IC 13-14-8; IC 13-14-9; IC 13-15-1-2; IC 13-15-2-1; IC 13-18- 3

Affected: IC 13-11-2; IC 13-18-3-15; IC 13-18-4

Sec. 3. (a) A general permit may regulate all designated categories of discharges for which a general permit exists except:

1. (1) as provided under section 6 or 9 of this rule or the applicable general permit; and
2. (2) discharges meeting the applicability requirements of a general permit that are already subject to individual NPDES permits prior to the effective date of a general permit.

(b) Except under subsection (d), a person excluded from general permit regulation solely because the person has an existing individual NPDES permit may request:

1. (1) to be regulated under a general permit; and
2. (2) that the individual NPDES permit be revoked or modified to remove the discharge from the existing permit.

(c) Upon revocation or expiration of an individual NPDES permit described in subsection (b)(2), the general permit applies to the discharges regulated under this article.

(d) The allowance to change from an individual NPDES permit to a general permit does not apply to municipal separate storm sewer system permittees who were issued an individual NPDES permit before January 1, 2000.

(e) A person that holds an individual NPDES permit may have discharges regulated under an applicable general permit if the discharges are not addressed in the individual permit.

(Water Pollution Control Division; 327 IAC 15-2-3; filed Aug 31, 1992, 5:00 p.m.: 16 IR 17; filed Oct 27, 2003, 10:15 a.m.: 27 IR 830; filed Oct 9, 2015, 4:07 p.m.: 20151104-IR-327100659FRA; errata filed Dec 30, 2015, 12:37 p.m.: 20160113-IR-327150453ACA; filed Nov 18, 2021, 11:08 a.m.: 20211215-IR-327180238FRA; readopted filed Oct 18, 2024, 1:57 p.m.: 20241113-IR-327230810RFA)