Presentation Abstract
In the 1960's shell fishing was abandoned in Dyes Inlet due to ongoing fecal pollution problems. In 1994 a stable and ongoing water quality monitoring program was established and identified polluted streams and near shore areas whereby a cooperative watershed effort resulted in numerous pollution correction projects. These efforts resulted in reclassification and upgrade of 1,500 acres of shellfish beds in 2003. However, polluted stormwater from the urban area of Silverdale has the potential to threaten the shellfish beds. Polluted stormwater was reduced by removing non-stormwater discharges from dumpster areas, enhancing road right of way storm system maintenance and working cooperatively with the commercial property owners for maintenance compliance. Although water quality was improved, the marine stations in northern Dyes Inlet continue to fail Part 2 of the fecal coliform standard. Retrofitting the stormwater system was the next logical step and focusing on treating runoff with infiltrative practices. In 2011 Kitsap County performed a stormwater retrofit planning project. The soils and existing stormwater treatment level was mapped, opportunity areas identified and prioritized, and pre-design reports of the top projects were produced. The presentation will focus on the retrofit plan and progress implementing projects as well as the relationship to water quality in the major streams and the marine waters of Dyes Inlet. Projects in development for retrofit include green infrastructure techniques such as installing Filterras® in an area with a high amount of utility conflicts, a stormwater treatment wetland whereby a partnership with the commercial properties is essential, and a boulevard area with highly infiltrative soils and the opportunity to enhance the area for non-motorized travel.
Session Title
Session S-10B: Cleaning Our Waters: Moving Forward on Green Infrastructure
Conference Track
Stormwater
Conference Name
Salish Sea Ecosystem Conference (2014 : Seattle, Wash.)
Document Type
Event
Start Date
2-5-2014 1:30 PM
End Date
2-5-2014 3:00 PM
Location
Room 608-609
Genre/Form
conference proceedings; presentations (communicative events)
Contributing Repository
Digital content made available by University Archives, Heritage Resources, Western Libraries, Western Washington University.
Subjects – Topical (LCSH)
Urban runoff--Washington (State)--Dyes Inlet Watershed--Management; Shellfish--Effect of water pollution on--Washington (State)--Dyes Inlet Watershed; Restoration ecology--Washington (State)--Dyes Inlet Watershed
Geographic Coverage
Salish Sea (B.C. and Wash.); Dyes Inlet Watershed (Wash.)
Rights
This resource is displayed for educational purposes only and may be subject to U.S. and international copyright laws. For more information about rights or obtaining copies of this resource, please contact University Archives, Heritage Resources, Western Libraries, Western Washington University, Bellingham, WA 98225-9103, USA (360-650-7534; heritage.resources@wwu.edu) and refer to the collection name and identifier. Any materials cited must be attributed to the Salish Sea Ecosystem Conference Records, University Archives, Heritage Resources, Western Libraries, Western Washington University.
Type
Text
Language
English
Format
application/pdf
Retrofitting an Urban Watershed to Protect Shellfish Beds
Room 608-609
In the 1960's shell fishing was abandoned in Dyes Inlet due to ongoing fecal pollution problems. In 1994 a stable and ongoing water quality monitoring program was established and identified polluted streams and near shore areas whereby a cooperative watershed effort resulted in numerous pollution correction projects. These efforts resulted in reclassification and upgrade of 1,500 acres of shellfish beds in 2003. However, polluted stormwater from the urban area of Silverdale has the potential to threaten the shellfish beds. Polluted stormwater was reduced by removing non-stormwater discharges from dumpster areas, enhancing road right of way storm system maintenance and working cooperatively with the commercial property owners for maintenance compliance. Although water quality was improved, the marine stations in northern Dyes Inlet continue to fail Part 2 of the fecal coliform standard. Retrofitting the stormwater system was the next logical step and focusing on treating runoff with infiltrative practices. In 2011 Kitsap County performed a stormwater retrofit planning project. The soils and existing stormwater treatment level was mapped, opportunity areas identified and prioritized, and pre-design reports of the top projects were produced. The presentation will focus on the retrofit plan and progress implementing projects as well as the relationship to water quality in the major streams and the marine waters of Dyes Inlet. Projects in development for retrofit include green infrastructure techniques such as installing Filterras® in an area with a high amount of utility conflicts, a stormwater treatment wetland whereby a partnership with the commercial properties is essential, and a boulevard area with highly infiltrative soils and the opportunity to enhance the area for non-motorized travel.
