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Drayton Harbor Projects

Stormwater

Sample Stormwater DrainStormwater is one of the biggest potential sources of pollution to our waterways across the country. Stormwater collects pollutants- bacteria, nutrients, chemicals, pesticides, heavy metals, etc.- and transports this contamination to water bodies with very little time for settling, filtration, etc. Because the contaminant sources for stormwater are diverse and numerous, it is a difficult problem to hone in on and correct. Stormwater systems historically have been designed to focus on the control of stormwater volumes. Traditional ponds have been designed to capture stormwater and hold it temporarily to reduce peak flows. High flows can cause erosion in ditches and streams and cause flooding in many areas. Most stormwater systems were not designed to allow for filtration, settling, biological degradation or biological uptake- all of which are mechanisms for improving water quality. Newer stormwater designs are more ecologically beneficial, but retrofitting older systems can be very costly.

  • Sample Stormwater DrainIllicit Stormwater Connections - When storm drains are illicitly hooked into the sewage collection system, the excess flow during storm events can overburden the system. In 1999, the City of Blaine did an extensive study to locate illicit connections to their sewage collection system (see the Municipal Sewer Systems section for more details on this project).
  • Volunteer Shoreline Monitoring Project - This 6-month, community-based project involved volunteers from the Community Oyster Farm Project. These volunteers monitored 10 stormwater outfalls around Drayton Harbor on a monthly basis from June through December 2001. They took rough flow estimates, where possible, and collected samples for fecal coliform bacteria testing. The City of Blaine partnered in this effort by analyzing the bacteria samples. The sample program was designed to help prioritize which drainages should be targeted for additional follow-up study to help identify pollution sources.

    Volunteer Stormwater Monitoring Project Report - Drayton Harbor 2002

  • Peace Portal Dye Study- As a follow up to the 6-month shoreline monitoring project, a dye study was devised to determine whether there were any possible cross-connections between the sewer system along Peace Portal Drive and several storm drains that showed high fecal bacteria levels. Both the Department of Health (DOH) and the City of Blaine approved the dye study. The testing occurred in March and April of 2003. Results from the study indicate that there is no cross-connection between the sewer system and the stormwater conveyance system along that section of Peace Portal Drive. This is just the type of work that needs to happen to document to DOH the efforts that are occurring to track down potential sources. This project allowed us to remove one potential pollution source from the list. A complete description of the project and the results were written up into a final report that was supplied to the various interested parties.

    Peace Portal Dye Study 2003 - Final Report

All Photos courtesy of Geoff Menzies

On-site Septic Systems
Municipal Sewer Systems
Agricultural Practices
Boats/Marinas
Stormwater Runoff
Wildlife/Non-human Contributions
Other Sources
Education and Community Involvement
Data Management/Water Quality Monitoring
Reports