(A) It shall be required that a stormwater pollution prevention plan (SWPPP) that addresses post-construction stormwater quality control measures be submitted and approved by the DSM for any project located within the Hammond Stormwater Management District that includes clearing, grading, excavation, filling and other land disturbing activities resulting in the following:
(1) The disturbance of 1 acre or more of total land area as determined per § 53.018.
(2) Disturbances of less than 1 acre of land that are part of a larger common plan of development or sale if the larger common plan will ultimately disturb 1 or more acres of land.
(B) The SWPPP must be approved by the DSM prior to the beginning of any land disturbing activities on the site for which the plan is submitted. The SWPPP shall include stormwater quality features that shall become permanent features of the site plan and shall remain in place following completion of construction activities. The SWPPP shall comply with the design criteria and technical standards and specifications approved by the BSM.
(C) This subchapter does not apply to the following types of activities:
(1) Agricultural land disturbance activities;
(2) Forest harvesting activities;
(3) Construction activities associated with a single-family residential dwelling disturbing less than 5 acres, when the dwelling is not part of a larger common plan of development or sale;
(4) Single-family residential developments consisting of 4 or less lots;
(5) A single-family residential strip development that the developer offers for sale or lease without land improvements and which project is not part of a larger common plan of development or sale; and/or
(6) Individual building lots within a larger permitted project.
(D) This section does not apply to the following activities, provided other applicable permits contain provisions requiring immediate implementation of soil erosion control measures:
(1) Landfills that have been issued a certification of closure under 329 I.A.C. 10;
(2) Coal mining activities permitted under I.C.14-34;
(3) Municipal solid waste landfills that are accepting waste pursuant to a permit issued by IDEM under 329 I.A.C. § 10 that contains equivalent stormwater requirements, including the expansion of landfill boundaries and construction of new cells either within or outside the original solid waste permit boundary; and
(4) Roadway projects initiated by the Indiana Department of Transportation.
(Ord. 8970, passed 12-8-2008)