Public Works Engineering

Issaquah's Public Works Engineering Department (PWE) provides the highest level of transportation, utility management and environmental/resource conservation services to our community.

Our Systems

PWE oversees the planning, designing and construction of the following city infrastructure systems:

  • Sanitary sewer collection
  • Stormwater collection
  • Transportation, including roads
  • Water supply and distribution

Our Programs

  • Compliance with state and federal stormwater and floodplain regulations, including the NPDES Phase II Municipal Stormwater Permit and the FEMA Community Rating System
  • Local regulatory programs aimed at protecting surface and ground water
  • Water quality and habitat improvement projects on local streams in coordination with regional stakeholders.
  1. I-90 Auxiliary Lane Project Resumes March 9

    Beginning March 9, the Washington State Department of Transportation (WSDOT) has announced it will be resuming the I-90 project. Read on...
  2. Issaquah School Pool

    SchoolPool helps families save money, cut carbon emissions, reduce traffic, improve health and create community. Read on...
  3. Issaquah Hobart Rd. Proposed Speed Limit Reduction

    If approved, the speed reduction is expected to take place by the end of April 2020. Read on...