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Plans and Reports

Title Attachments
General Sewer Plan
  • PDF icon mercer_island_general_sewer_plan_printready_final_november2018.pdf
Water System Plan
  • PDF icon 2015 Water System Plan
  • PDF icon 2022 Limited Water System Plan Update
Transportation Improvement Program (TIP)
  • PDF icon Map of street resurfacing history through 2022
  • PDF icon Draft Current PBF Improvements along the Mercer Ways
  • PDF icon Draft Detailed Descriptions of TIP Projects 2026-2031
  • PDF icon Draft Summary of TIP Projects and Budgets 2026-2031
Pedestrian and Bicycle Facilities
  • PDF icon Pedestrian and Bicycle Facilities Plan (2010)
  • PDF icon Mercer Island in Motion Map (2016)
  • PDF icon Pedestrian and bicycle facilities around the perimeter of the Island (2024)

Supporting Documents

PDF icon General Sewer Plan (49 MB)
PDF icon Water System Plan (23 MB)
  • Printer-friendly version
Public Works
  • Public Works Department
  • Submit a Service Request
  • Projects
  • Engineering
    • Standard Details
    • Bids/RFQ
  • Right-of-Way
    • Neighborhood Block Party
    • Roadway, Trail & ROW Maintenance
    • Snow and Ice Response Plan
    • Street Resurfacing
  • Sanitary Sewer Utility
    • Fats, Oil, Grease (FOG)
  • Stormwater Utility
    • Report a Spill
    • Stormwater Source Control
  • Sustainability
    • Climate Action Plan (CAP)
      • Climate Action Plan: Focus Areas
      • CAP Project Updates
    • GHG Emissions Data
    • Key Sustainability Milestones
    • What You Can Do
      • Heat Pump Campaign
      • Solar Power
    • Recycling, Compost & Garbage
    • Water Conservation
    • Wind Power Contract
    • Regional Climate Partnerships
    • 2025 Solarize Eastside
  • Transportation
    • ADA
    • Neighborhood Traffic Calming
    • Pedestrian and Bicycle Facilities
      • Bikeshare Pilot Program
      • Ride Share Pilot Program
    • Road Safety Best Practices
    • Transportation Improvement Program (TIP)
    • E-Bike and Scooter Safety
    • Town Center Parking Plan
  • Utility Board
  • Water Utility
    • Cross Connection Control
    • Security Measures
  • Meet the Chief of Operations
  • Urban Forestry and Trees
    • Tree Giveaway

Contact Information

9601 SE 36th Street
Mercer Island, WA 98040
Phone: (206) 275-7608
Email: publicworks@mercerisland.gov

In an Emergency, call 9-1-1

For our Non-Emergency 24/7 dispatch center, call: (425) 577-5656 

Submit a Service Request here

 

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9611 SE 36th Street, Mercer Island, WA 98040 | (206) 275‑7600

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