Drywells

Underground perforated pipes collect stormwater and allow it to soak into the ground

Downspout Disconnection

Redirecting roof runoff from the sewer system

Stormwater Solutions Handbook

How to manage stormwater on the roof, on the ground, and underground

• When It Falls On The Roof
• When It Gets To The Ground
• Plant Choices
• Taking It Underground
• For More Information
• Introduction
• Contents

Flow-Through Planters

Flow-through planters manage stormwater in areas not suitable for infiltration

Pervious Pavers

Pervious pavers allow stormwater to soak into the ground and reduce runoff

Infiltration Planters

Infiltration planters work well in space limited sites with good drainage

Cisterns

Storing stormwater runoff for reuse

Soakage Trenches

Shallow lined trenches treat stormwater runoff from hard surfaces

Turf Block

Turf block allows rain to infiltrate parking areas, driveways and walkways

Stormwater Facility Handbook

Stormwater facility maintenance information for private property owners

• Stormwater Facility O & M Handbook For Homeowner Associations, Multifamily, Commercial and Industrial Property Owners
• Stormwater Facility O & M Handbook For Homeowners

Vegetated Swales

Gently sloping, vegetated depressions that collect and treat stormwater runoff

Stormwater Reports

Reports on Portland stormwater projects and practices

• City of Portland Alternative Paving Report
• Report on Portland Stormwater Gardens
• Sustainable Site Development
• Water Quality Friendly Streets
• Report to Council on Stormwater Management Charges
• Sustainable Stormwater Case Studies
• Sustainable Stormwater Reports and Publications

Effectiveness Evaluation

of best management practices for stormwater management

• 1 - Effectiveness Evaluation
• Appendix A
• Appendix B
• Appendix C
• Appendix D
• Appendix E
• Appendix F
• Appendix G
• Appendix H
• Appendix I
• Appendix J
• Appendix K 1&2
• Appendix K 3
• Appendix L
• Appendix M
• Appendix N
• Appendix O - Appendix P

Contained Planters

Contained planter boxes reduce impervious area and stormwater volume

How To

Learn how to install your own stormwater management systems

• Manage Stormwater with Rain Gardens
• Manage Stormwater with Rain Barrels
• Manage Stormwater with Downspout Disconnections
• Manage Stormwater with Soakage Trenches

Why Sustainable Stormwater Management Matters

Benefits of natural stormwater management systems

Roof Gardens

Heavyweight roof systems that manage stormwater

Pervious Pavement

Pervious pavement resembles conventional paving material but allows stormwater to infiltrate

Vegetated Infiltration Basins

Rain gardens can dramatically reduce stormwater flow rates and volume

Ecoroofs

Managing stormwater with lightweight vegetated roof systems

Rain Barrels

Using rain barrels to collect roof runoff for re-use

Trees

Information about the stormwater management benefits of trees