The principal purpose of this chapter is to promote effective, equitable, acceptable, and legal stormwater management measures. Other purposes of this chapter include:
(A) Managing and mitigating the effects of urbanization on stormwater drainage;
(B) Reducing the existing potential for stormwater damage to public health, safety, life, and property;
(C) Protecting human life and health from the hazards of flooding and degradation of water quality;
(D) Protecting and enhancing the quality, quantity, and availability of surface and ground water resources;
(E) Preserving and enhancing existing wetlands, buffers, and aquatic environments, and encouraging restoration of degraded areas;
(F) Controlling sediment and erosion in and from stormwater facilities, developments, and construction sites;
(G) Preventing the further degradation of the quality of ground and surface waters;
(H) Requiring appropriate and adequate provision for site runoff control, especially when the land is developed for human activity;
(I) Requiring the design and evaluation of each site runoff control plan consistent with watershed capacities;
(J) Encouraging the use of stormwater storage in preference to stormwater conveyance;
(K) Lessening the taxpayers’ burden for flood related disasters, repairs to flood damaged public facilities and utilities, and flood rescue and relief operations;
(L) Meeting the Illinois Department of Transportation, Division of Water Resources’ floodway permitting requirements delineated in 615 Illinois Compiled Statutes 5/18g (“an Act in relation to the regulation of the rivers, lakes and streams of the State of Illinois”), as amended from time to time;
(M) Making Federally subsidized flood insurance available to the Village of Lisle and Village of Lisle property owners by fulfilling the requirements of the national flood insurance program, and participating in the community rating system so that flood damages are further mitigated by improved regulation and property owners benefit by discounted insurance premiums for floodplain properties;
(N) Complying with the rules and regulations of the national flood insurance program codified in title 44 of the Code of Federal Regulations;
(O) Encouraging cooperation between the Village of Lisle, DuPage County, and other governmental entities with respect to floodplain and stormwater management;
(P) Requiring cooperation and consistency in stormwater management activities within and between the units of government having stormwater management jurisdiction;
(Q) Restricting future development in the floodplain to facilities that will not adversely affect the floodplain environments or adversely affect the potential for flood damage;
(R) Incorporating water quality and habitat protection measures in all stormwater management activities within the Village of Lisle;
(S) Requiring regular, planned maintenance of stormwater management facilities;
(T) Encouraging control of stormwater quantity and quality at the most site specific or local level;
(U) Allowing the use of simple technologies whenever appropriate and realistic, but requiring the use of more sophisticated techniques when necessary to ensure the adequacy of stormwater controls;
(V) Participating in a procedure by which communities throughout DuPage County may petition the DuPage County Stormwater Committee to implement and enforce the provisions of their DuPage County Countywide Stormwater and Floodplain Ordinance; and
(W) Requiring strict compliance with and enforcement of this Code. (Ord. 2021-4935, 11-15-2021)
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