Certified Communities 

Certified Communities have been delegated authority by SMC under the Lake County Watershed Development Ordinance (WDO) to administer all, or portions of, the WDO within their community limits.

Checklists & Design Guidance

The following documents and checklists help the applicant determine what information to submit to SMC to assist with a complete Watershed Development Permit submittal.

Do I Need a Watershed Development Permit?

The Lake County WDO regulates new development including government projects, residential, commercial and industrial development, public roads as well as some home additions and the redevelopment of existing sites.

Online Resources

Browse our online resources.

Watershed Development Ordinance

The amended WDO is now effective and includes the minimum county-wide standards for regulated development. 

Watershed Development Permit Application

The WDO Permit is available in two formats - fillable and PDF.

Watershed Development Permit Information

The Lake County WDO Permit is required when a project is located in a floodplain or flood-prone area.

Permits & Approvals

A Lake County Watershed Development Permit (WDP) is required for any development that proposes to impact Waters of the United States (WOUS) or Isolated Waters of Lake County (IWLC).