Watershed Development Permit Information

About the Permit


The Lake County Watershed Development Ordinance (WDO) Permit is required when a project is located in a floodplain or flood-prone area; may impact a wetland; will hydrologically disturb more than 5000 square feet; or will modify the site drainage.

Certified Communities


If you are developing in a Certified Community (May 8, 2015) (PDF) the municipality is the permitting agency.

If you are developing in an unincorporated area, contact Lake County Planning, Building and Development (PB&D) at 847-377-2081.

If your project is not within a Certified Community or in an unincorporated area, SMC is the permitting agency for Non-Certified Communities (May 8, 2015) (PDF).

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