327 IAC 15-2-6 Exclusions

Sec. 6. (a) Except as provided in subsection (b), an individual NPDES permit issued under 327 IAC 5 is required for a discharge: (1) to a receiving stream identified as an: (A) outstanding state resource water, as defined in IC 13-11-2-149.6; or (B) outstanding national resource water, as defined in IC 13-11-2-149.5; or (2) that would significantly lower the water quality as defined in 327 IAC 2-1.3-2(50) of a water downstream of the discharge. (b) A discharge to an: (1) outstanding national resource water, as defined in IC 13-11-2-149.5; or (2) outstanding state resource water, as defined in IC 13-11-2-149.6; that consists only of stormwater may be permitted under a general permit if the commissioner determines the discharge will not significantly lower the water quality as defined in 327 IAC 2-1.3-2(50) of a water downstream of that discharge.