Illicit Discharge Detection and Elimination (IDDE) Program Resources

Resources and guidance on IDDE for local stormwater managers.

IDDE Program Guidance

IDDE Regulations Guidance

IDDE Materials from Permittees

The following materials were prepared by Washington state municipal stormwater permittees to support their permit implementation. The permittees have made these materials available to others to modify for their own use. Ecology has not formally reviewed and approved these materials.