Section
Authority, Purpose and Definitions
55.001 Statutory authority
55.002 Will County Comprehensive Countywide Stormwater Management Plan
55.003 Purposes of this chapter
55.004 Reference to watershed plans
55.005 Definitions
Requirements for Stormwater Management
55.020 General information
55.021 General stormwater requirements
55.022 Site runoff requirements
55.023 Site runoff storage requirements (detention/extended detention)
55.024 Stormwater requirements for agricultural land use including croplands, pasture lands and farmsteads
Sediment and Erosion Control
55.035 Site planning
55.036 Standards and specifications
55.037 General requirement
55.038 Extended construction shutdown periods
55.039 Hydraulic and hydrologic design requirements
55.040 “As-needed” practices on the plans
55.041 Sediment and erosion control plan requirements
55.042 Conveyance of off-site flow
55.043 Stockpiles
55.044 Storm sewer inlets
55.045 Construction dewatering
55.046 Protection of public/private roadways
55.047 Temporary stream crossings
Protection of Special Management Areas
55.060 General
55.061 Floodplain, regulatory floodplain, base flood elevation (BFE) and regulatory floodway locations
55.062 General performance standards
55.063 Compensatory storage volume standards
55.064 Floodway standards
55.065 Riverine floodplain
55.066 Bridge and culvert standards
Stormwater Management Permit Submittal Requirements
55.080 General requirements
55.081 Duration and revision to permits
55.082 Required submittals
55.083 Submittals prior to permit issuance
55.084 Record drawings
55.085 Issuance or denial of permit and appeal of permit denial
Long Term Maintenance
55.100 Long-term maintenance
55.101 Transfer to permitting authority or other public entity
55.102 Transfer to homeowner’s or similar association
55.103 Conveyance to one or more persons
55.104 Incorporation of maintenance obligations in stormwater management permit
55.105 Funding of long term maintenance of stormwater facilities
General Provisions
55.120 Scope of regulation
55.121 Exemptions
55.122 Community’s list of proposed exempt developments
55.123 Interpretation
55.124 Warning and disclaimer of liability
55.125 Choice of planning jurisdiction
55.126 Violations
55.127 Amendments
55.128 Effective date
Variances
55.140 Purpose
55.141 Application for variance
55.142 Application fee
55.143 Public hearing
55.144 Granting of variances
55.145 Recommendations
55.146 Decision
55.147 Conditions
Administration
55.160 Responsibility for Administration
55.161 Duties of Director
55.162 Duties of Administrator
55.163 Representative capacity
55.164 Oversight Committee
55.165 Non-certified communities
55.166 Service
55.167 Publication
Certified Community Enforcement
55.180 Authority
55.181 Petition for certification and waiver of enforcement
55.182 Filing and contents of petition for certification
55.183 Committee consideration of petition for certification
55.184 Standards for grant of petition
55.185 Certified community records
55.186 Committee review of enforcement by a certified community
55.187 Investigations; complaints
55.188 Hearing on complaint
55.189 Committee decision
Performance Security
55.200 General security requirements
55.201 Development security
55.202 Sediment and erosion control security
55.203 Letters of credit
Fee-in-Lieu of On-Site Detention
55.215 Fee-in-lieu of on-site detention
Enforcement
55.230 Inspection and maintenance authority
55.231 Required inspections
55.232 Offenses
County Stormwater Management Technical Guidance Manual
55.245 Adoption by reference
55.999 Penalty
AUTHORITY, PURPOSE AND DEFINITIONS
(A) This chapter shall be known, and may be cited, as the Will County Stormwater Management Ordinance (the “WCSMO”).
(B) The County Board adopts this chapter pursuant to its authority to regulate stormwater management and governing the location, width, course and release rate of all stormwater runoff channels, streams and basins in the county, in accordance with the County Comprehensive Countywide Stormwater Management Plan. The statutory authority for this chapter is contained in ILCS Ch. 55, Act 5, §§ 5-1041, 5-1049, 5-1063, 5-1104, 5-12001, 5-15001 et seq. and 5-40001 and other applicable authority, all as amended from time to time.
(C) As applicable, the communities within the county adopt and enforce this chapter or in the alternative adopt and enforce a municipal ordinance that is consistent with and at least as strict as the county regulations, pursuant to ILCS Ch. 55, Act 5, §§ 5-1062, ILCS Ch. 65, Act 5, §§ 1-2-1, 11-12-12, 11-30-2, 11-30-8 and 11-31-2 and ILCS Ch. 615, Act 5, §§ 4.9 et seq., including § 18g.
(Res. 02-441, passed 10-17-2002; Res. 02-495, passed 11-21-2002; Res. 04-87, passed 3-17-2004)
The County Comprehensive Countywide Stormwater Management Plan was recommended by the County Stormwater Management Committee and adopted by the County Board, after review by the appropriate agencies and a public hearing, by Resolution 98-20 on October 15, 1998. The Plan is available for public inspection in the office of the County Clerk.
(Res. 02-441, passed 10-17-2002; Res. 02-495, passed 11-21-2002; Res. 04-87, passed 3-17-2004)
(A) The principal purpose of this chapter is to promote effective, equitable, acceptable and legal stormwater management measures by establishing reasonable rules and regulations for development.
(B) Other purposes of this chapter include:
(1) Managing and mitigating the effects of urbanization on stormwater drainage throughout the county through planning, appropriate engineering practices and proper maintenance;
(2) Protecting from, and reducing the existing potential for, loss of human life, health, safety and property from the hazards of flooding damages on a watershed basis;
(3) Preserving and enhancing the natural hydrologic and hydraulic functions and natural characteristics of watercourses and floodplains to protect water quality, protect aquatic habitats, reduce flood damages, reduce soil erosion, provide recreational and aesthetic benefits and enhance community and economic development;
(4) Controlling sediment and erosion in and from stormwater facilities, developments, agricultural fields and construction sites and reducing and repairing stream bank erosion;
(5) Requiring that planning for development provide for water resource management, taking into account natural features such as vegetation, wildlife, waterways, wetlands and topography in order to reduce the probability that new development will create unstable conditions susceptible to erosion;
(6) Protecting environmentally sensitive areas from deterioration or destruction by private or public actions;
(7) Requiring appropriate and adequate provision for site runoff control, especially when the land is developed with a large amount of impervious surface;
(8) Requiring the design and evaluation of each site stormwater management plan consistent with watershed capacities;
(9) Encouraging the use of stormwater storage and infiltration of stormwater in preference to stormwater conveyance;
(10) Lessening the taxpayers’ burden for flood-related disasters, repairs to flood-damaged public facilities and utilities and flood rescue and relief operations;
(11) Meeting the State Department of Natural Resources-Office of Water Resources floodway permitting requirements delineated in ILCS Ch. 615, Act 5, § 18g (“An Act in Relation to the Regulation of the Rivers, Lakes and Streams of the state”), as amended from time to time;
(12) Making federally subsidized flood insurance available to individual communities and for property throughout the county by fulfilling the requirements of the National Flood Insurance Program;
(13) Complying with the rules and regulations of the National Flood Insurance Program codified in C.F.R. Title 44;
(14) Minimizing conflicts and incompatibilities between agricultural and urban drainage systems and maintaining agriculture as a viable and productive land use;
(15) Encouraging cooperation and consistency in stormwater management activities within and between the units of government having floodplain and stormwater management jurisdiction;
(16) Restricting future development in the floodplain to facilities that will not adversely affect the potential for flood damage;
(17) Requiring regular, planned maintenance of stormwater management facilities;
(18) 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;
(19) Providing a procedure by which communities throughout the county may petition the Committee for authority to implement and enforce the provisions of this chapter; and
(20) Requiring strict compliance with and enforcement of this chapter.
(C) The purposes of this chapter are consistent with and supercede the Plan.
(Res. 02-441, passed 10-17-2002; Res. 02-495, passed 11-21-2002; Res. 04-87, passed 3-17-2004)
(A) This chapter recognizes the integrated nature of the watershed system and the need to study certain flood control alternatives and other stormwater management functions on a watershed-wide basis. A generalized process for development of watershed plans was recommended in the adopted “County Comprehensive Stormwater Management Plan”. This process includes a public hearing review and approval by the Committee, and adoption by the county.
(B) (1) Individual watershed plans or interim watershed plans which recognize the unique attributes of each watershed may be prepared and periodically updated for the major watersheds, to identify management projects and establish criteria for development. These plans may also recommend changes to this chapter effective within the study boundary.
(2) Watershed plans or interim watershed plans may be adopted which recommend more or less stringent criteria than the criteria in this chapter. When adopted by the County Board, these watershed-specific criteria established in watershed plans or interim watershed plans shall be set forth as §§ 55.035 through 55.047 of this chapter.
(Res. 02-441, passed 10-17-2002; Res. 02-495, passed 11-21-2002; Res. 04-87, passed 3-17-2004)
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