David Hymel presented on his work with Low Impact Development and Stormwater Management at the June 2015 CAC meeting

1. Success, Challenges, Next Steps
And Low Impact Development

3. Survey of LID rebate programs in Puget Sound
Rain gardens clusters as an outreach tool
Partnerships that move LID forward
Rain Garden Handbook for Western WA

4. Success – Number of programs is increasing
Jurisdiction Rebate
Olympia, Tumwater, Lacey, Thurston
Cty
$400 rain garden; stormwater fee reduction
City of Tacoma (retooling program) $2000 rain garden; stormwater fee reduction
Puyallup $7500 pervious pavers; $1000 rain garden
Kitsap County $1000 rain garden and menu of LID practices
Shoreline $1600 rain garden; conservation landscaping
Lake Forest Park $1000 residential RG; $2000 community RG
Bellingham $6000 rain garden Lake Whatcom area
Port Angeles $750 rain garden; $150 disconnect
downspouts
Everett $2500 rain garden, North Everett areas
Kirkland Residential pilot with menu of LID practices
Seattle/King County RainWise $4500 rain garden and cisterns

5. RainWise
City of Seattle and King County
CSO reduction and GSI
17 distinct neighborhoods and CSO basins
About 55,000 eligible parcel owners
Rain gardens, cistern installations
Non profit outreach and education partners
Contractor certification training
https://rainwise.seattle.gov/city/seattle/overview

6. 55,000 gallons/year
530 gallons storage

7. 265 gallon cisterns
Rain Garden
55,000 gallons/year
530 gallons storage

10. 530 gallon cisterns
1110 gallon cisterns
108,000 gallons/year
4500 gallons of storage

11. 228 projects completed in 2014
591 projects completed since 2010
17 acres of roof area
>8 million gallons of stormwater
treated annually
54 trained contractors in place
South Park CSO Map

12. Puyallup rain gardens
Inspires community building
Uses resources efficiently
Measurable stormwater impact
Models are installed to scale
Leverages other programs
Creates partnerships
Success

13. 8th Ave NW Puyallup
7 rain garden cluster in 2009; live radio show Gardening with Ciscoe
Cover story in This Old House Magazine; King 5 News coverage
13 rain gardens added 2010-2012; PSE energy campaign
Green Street completed in 2013; 11 roadside rain gardens

14. 8th Ave NW Puyallup

15. 8th Ave NW Green Street
Before
After

16. 8th Ave NW Green Street-- By The Numbers
Porous Asphalt
Roadway
25’ wide, 630’ long
Permeable Paver
Sidewalk
5’ wide, 620’ long
Pervious Concrete
Sidewalk
4’ wide, 620’ long

17. 8th Ave NW – Before

18. 8th Ave Green Street – After

19. Eatonville – The Rain Garden Capital
10 rain garden cluster along Orchard Ave
37 rain gardens in multiple clusters 2009 - 2014
High per capita concentration: Rain Garden Capital
Partnerships between several agencies and Town
PBS documentary series “Long Live the Kings”
NY Times cover story on adapting to climate change
LID centric comprehensive stormwater plan
Ciscoe Morris and Myrna Lopas

20. PBS – Long Live the Kings
NAPA Auto Parts store rain gardens
Filming rain garden construction and planting

21. Eatonville Stormwater Plan
Partnership between Town and Nisqually Tribe
Updated draft 2003 plan with EPA $$ to Tribes
LID focused and prioritized capital projects list
Outreach and education campaign; partnership matrix
Increased stormwater rates and charges for maintenance
Capital program entirely grant funded; grant matrix
Prepared by AHBL

22. Stormwater Plan Campaign
Educates and inspires residents to change behavior
Creates opportunities for all Eatonville residents to participate
Informs and attracts outside investors and partnerships
Completes the funding and implements the capital and programmatic
elements

23. Stormwater Plan Campaign

24. Stormwater Plan Collaboration

25. Stormwater Plan Grants

26. Partnerships – Moving Green Infrastructure Forward
Demonstrate novel bio retention mix and delivery system
18 month project complete in 2015
Contractors: Splash Boxx, LLC and Gealogica, LLC
Grant Source: King Conservation District
Grant Manager: Sustainable Seattle
Site Host: Port of Seattle, Pier 91 Terminal
LID Process Documentation: NW EcoBuilding Guild
Success

27. Moving Green Infrastructure Forward
Compares conventional soil mix and one with volcanic sand
Portable bio retention planter box in industrial setting
Monitor inflow and outflow for pollutant removal
Sensors collect data to compare water storage of soils

28. Moving Green Infrastructure Forward
Shared between code officials, building industry and public
Information about successfully permitted green building
In depth case studies, videos and resources

29. Partnerships – Vision2Action NW EcoBuilding Guild
Discussion of new municipal
stormwater permits requiring LID
Local panel of experts
Multiple partners and series
Supports Phase I & II jurisdiction
outreach in permit development

30. Cities and towns: Aberdeen, Algona, Arlington, Auburn, Bainbridge Island,
Battle Ground, Bellevue, Bellingham, Black Diamond, Bonney Lake, Bothell,
Bremerton, Brier, Buckley, Burien, Burlington, Camas, Centralia, Clyde Hill,
Covington, Des Moines, DuPont, Duvall, Edgewood, Edmonds, Enumclaw,
Everett, Federal Way, Ferndale, Fife, Fircrest, Gig Harbor, Granite Falls,
Issaquah, Kelso, Kenmore, Kent, Kirkland, Lacey, Lake Forest Park, Lake
Stevens, Lakewood, Longview, Lynnwood, Maple Valley, Marysville, Medina,
Mercer Island, Mill Creek, Milton, Monroe, Mountlake Terrace, Mount
Vernon, Mukilteo, Newcastle, Normandy Park, Oak Harbor, Olympia, Orting,
Pacific, Port Orchard, Poulsbo, Puyallup, Redmond, Renton, Sammamish,
SeaTac, Sedro-Woolley, Shoreline, Snohomish, Steilacoom, Sumner, Tukwila,
Tumwater, University Place, Vancouver, Washougal, Woodinville, and Yarrow
Point
Counties: Cowlitz, Kitsap, Thurston, Skagit, and Whatcom

31. Training contractors: RainWise has 54 contractors and needs 154
Creating capital LID investment strategies for small jurisdictions
Coordinating LID rebate strategies among jurisdictions
Recognizing and creating opportunities for LID partnerships
Support to Phase II jurisdictions in the run up to 2016 permits

32. Expand health regulations allowing rain water harvesting (RWH)
and treatment to potable as incentive to manage stormwater
Continue to identify support needs of jurisdictions in municipal
permit implementation
Continue to leverage successful LID partnership models
More discussions and idea sharing

33. Thank you
And Low Impact Development