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About SPU
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Drainage & Sewer System
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Natural Drainage Systems
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Natural Drainage Overview
Program Information
Natural drainage systems (NDS) are an innovative approach to street design in the United States. Learn more about:
- • Seattle’s Natural Drainage Systems (PDF)
This illustrated booklet, published thanks to an "Innovations in Government" award from the Kennedy School of Government at Harvard University, provides a comprehensive look at Seattle's nationally acclaimed Natural Drainage Systems program from concept development through the refinement of NDS strategies and their application to various urban settings.
- • The Story of the Natural Drainage Systems Program
Learn about the problems threatening our waterways and how NDS have proved an effective part of the solution.
- • Goals and Objectives
Natural drainage systems are designed to meet certain goals and objectives.
- • Benefits and Challenges
Natural drainage systems offer many benefits to homeowners, municipalities, and the environment. There are also a few risks and challenges.
- • Frequently Asked Questions
How are NDS sites selected? How are projects funded? How much do NDS cost? These and other questions are answered on the Frequently Asked Questions page.
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