How we are working to achieve this vision
Seattle must meet state and federal regulatory requirements in order to comply with the Clean Water Act. The program is regulated via National Pollutant Discharge Elimination System (NPDES) permits.
2010-2015 NPDES Combined Sewer System Permit Fact Sheet (pdf)
2010-2015 NPDES Combined Sewer System Permit (pdf)
One requirement in the current permit is to provide realtime online reporting of overflows in Seattle.
Volume 1 - Final Flow Monitoring Summary Report Executive Summary (pdf)
Long-Term Control Plan Hydraulic Model Report
Volume 2 - Flow Monitoring Plan 2008-2009
Volume 3 - Flow Monitoring Plan 2009-2010
Volume 4 - Final Phase 1 Flow Monitoring Report
Volume 5 - Final Phases 2 and 3 Flow Monitoring Report
Seattle Public Utilities | 700 Fifth Avenue | PO Box 34018 Seattle, WA 98124-4018 | (206) 684-3000 | Contact Us