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May. 9, 2013 Illicit Connection and Illicit Discharge Field Screening and Source Tracing Guidance Manual

Now available

King County, Washington Stormwater Center, and Herrera Environmental Consultants have released the Illicit Connection and Illicit Discharge Field Screening and Source Tracing Guidance Manual.This manual was developed to serve as guidance for municipalities in Washington that perform field screening and source tracing to address illicit discharge detection and elimination (IDDE) program requirements in the National Pollutant Discharge Elimination System (NPDES) Phase I and Phase II Municipal Stormwater Permit.

Development of the manual was funded by a grant from the Washington State Department of Ecology.

Download the Manual