The town may use any combination of storage, infiltration, filtering or vegetative practices to reduce the impact of pollutants in storm water run-off on receiving waters, where appropriate, and, additionally, shall utilize the following:
(A) Infiltration practices will not be allowed in wellhead protection areas;
(B) Discharges from an MS4 area will not be allowed directly into sinkholes or fractured bedrock, without treatment that results in the discharge meeting state ground water quality standards as referenced in 327 I.A.C. 2-11;
(C) Any storm water practice that is a Class V injection well must ensure that the discharge from such practices meets state ground water quality standards as referenced in 327 I.A.C. 2-11;
(D) As site conditions allow, the rate at which water flows through the MS4 conveyances shall be regulated to reduce outfall scouring and stream bank erosion;
(E) As site conditions allow, a vegetated filter strip of appropriate width shall be maintained along unvegetated swales and ditches; and
(F) New retail gasoline outlets, new municipal, state, federal or institutional refueling areas, or outlets and refueling areas that replace their existing tank systems, shall be required by MS4 ordinance or other regulatory means to design and install appropriate practices to reduce lead, copper, zinc and polyaromatic hydrocarbons in storm water run-off.
(Ord. 2043, passed 11-21-2006)