As a condition of the city’s MS4 permit, the city is obliged to undertake primary responsibility for administration and enforcement of the program by adopting a COSESCO ordinance designed to achieve the following objectives:
§ 1.3.1. Any person, firm, sole proprietorship, partnership, corporation, state agency or political subdivision (“applicant”) required by law or administrative rule to apply to the IDNR for a state NPDES general permit #2 shall also be required to obtain from the city a construction site erosion and sediment control permit (“city COSESCO permit”) in addition to and not in lieu of the state NPDES general permit #2; and
§ 1.3.2. The city shall have primary responsibility for inspection, monitoring and enforcement procedures to promote applicants’ compliance with state NPDES general permits #2 and city COSESCO permits.