Long-Term Control Plan
The Plan to Protect Seattle's Waterways
In 2012,154 million gallons of untreated sewage and stormwater flowed into our lakes, creeks, and Puget Sound. Seattle Public Utilities is preparing a long-range plan that will create a comprehensive strategy to protect Seattle’s waterways reduce these Combined Sewer Overflows (CSOs).The plan:
- Identifies areas of Seattle where CSO reduction projects are required
- Evaluates solutions for reducing CSOs in affected areas
- Selects a preferred alternative for each affected area
- Recommends a schedule for designing and constructing projects (2016-2025)
Environmental Impact Statement (EIS)
The EIS will identify potential impacts to people and the environment.
2013 - Scoping conducted to determine the range or “scope” of issues to study in the EIS.
Mid-2014 - Draft plan and EIS for the plan available.
The Consent Decree
The plan describes how SPU will meet the requirements of the consent decree agreed to with federal regulators. This will enable the City of Seattle to comply with the Clean Water Act and state regulations, protect our waterways, and sustain our quality of life.
Glossary of Terms (pdf)