Permit Guidance

Guidance | Tools

This page contains links to guidance documents and tools used by Ecology permit writers and permittees for the Wastewater Discharge Permit program. Read a short history and overview of wastewater discharge permits with a focus on the individual permit process in Washington State.

General Guidance

Surface Water Discharges

Reclaimed Water Guidance

Ground Water / Land application Guidance

Tools

This page contains links to tools used by Ecology permit writers and permittees for the Wastewater Discharge Permit program. Refer to the Permit Information webpage for general information on wastewater permits. Refer to the Permit Application Forms webpage for permit applications.

Permit Tools

Pretreatment Tools


For more information