Stormwater Management Ordinance

The Libertyville Municipal Code (LMC) Section 20.5 comprises the Village’s Stormwater Management Ordinance and includes three Articles.

Article 1. - Adoption of the Lake County Watershed Development Ordinance. The Lake County Watershed Development Ordinance can be found in its entirety on the website of the Lake County Stormwater Management Commission. Click Here

Article 2. - Adoption of Stormwater Management Program Plan. Click Here

Article 3. - Illicit Discharge Ordinance Click Here



Amendment to the Lake County Watershed Development Ordinance (WDO)


The purpose of this Amendment to the Lake County Watershed Development Ordinance (WDO) is to include new development and redevelopment (teardown) stormwater management regulations and guidance in the Village to provide storage volume to offset the increase in stormwater runoff volume that may result from a developed or re-developed property. These new regulations and guidance are defined in the Stormwater Management Regulations - Appendix P and will apply to developments and re-developments on properties in the designated areas as delineated on the attached Exhibit 1 that result in a net increase in impervious surface area of 200 or more square feet. Additional regulations will apply to developments and re-developments in the special drainage areas as shown on the attached Exhibit 2.

Watershed Development Ordinance - Appendix P
Watershed Development Ordinance - Appendix P Exhibit 1
Watershed Development Ordinance - Appendix P Exhibit 2



Modified Sections of the WDO Referencing Appendix P


Lake County WDO (Sections 300.07 to 300.09)

300.07
Any public road development meeting both of the following criteria:
A. One and one-half (1.5) acres or more of new impervious surface; and
B. One and one-half (1.5) acres or more of new impervious surface per mile, for linear or nonlinear projects; or

300.08
Any development that hydrologically disturbs 5,000 square feet or more. This development activity shall at a minimum meet the soil erosion and sediment control performance standards of §600 Performance Standards, with associated application requirements. Public road developments are required to meet the soil erosion and sediment control standards only for those projects which require permits according to 300.01, 300.02, 300.03, 300.04, 300.05, and 300.07; or

300.09
Any activity to a building in a Special Flood Hazard Area (SFHA) as described in
FEMA Publication 480 National Flood Insurance Program Flood Management
Requirements.

Village Revisions to WDO (Sections 300.07 to 300.10)

300.07
Stormwater Management Regulations for New Impervious Surface Area:
A. All new development/redevelopment and teardown Stormwater Management Regulations/Guidance is to provide storage volume to offset the increase in stormwater runoff volume that may result from a redeveloped property within the designated area that result in a net increase in impervious surface area by 200 or more square feet would require to provide stormwater management according to Appendix P.


300.08
Any public road development meeting both of the following criteria:
A. One and one-half (1.5) acres or more of new impervious surface; and
B. One and one-half (1.5) acres or more of new impervious surface per mile, for linear or nonlinear projects; or

300.09
Any development that hydrologically disturbs 5,000 square feet or more. This development activity shall at a minimum meet the soil erosion and sediment control performance standards of §600 Performance Standards, with associated application requirements. Public road developments are required to meet the soil erosion and sediment control standards only for those projects which require permits according to 300.01, 300.02, 300.03, 300.04, 300.05, and 300.08; or

300.10
Any activity to a building in a Special Flood Hazard Area (SFHA) as described in FEMA Publication 480 National Flood Insurance Program Flood Management Requirements.

Additional Note: All other references to Section 300.07, 300.08, and 300.09 in the Lake County WDO are revised to reference Section 300.08, 300.09, and 300.10, respectively, in the Village of Libertyville revision.

Projects submitted before July 28, 2015 are not subject to the Stormwater Regulations in Appendix P of the WDO. 8/11/15 Village Board Minutes