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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. 
Latest News - View All
Share Your Ideas for Future Transit Service
Now is your chance to shape future transit options in our community, including light rail to Issaquah. Read on...
Flashing Yellow Arrows Coming to More Intersections
We’re adding flashing yellow left-turn arrow traffic signals at seven intersections throughout Issaquah. Read on...

Issaquah Contacts
Aerial Roundabout View
Public Works
Engineering

Staff Directory
Email

City Hall Northwest
1775 12th Ave. N.W.
P.O. Box 1307
Issaquah, WA 98027

Ph: 425-837-3400
Fx: 425-837-3409

Hours
Monday - Friday
8 a.m. - 5 p.m.