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9601 SE 36th Street
Mercer Island, WA 98040
Phone: 206.275.7608
Fax: 206.275.7814
Email: publicworks@mercer. . .
Hours: 7:30 AM - 4:00 PM (Mon-Fri)
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City of Mercer Island / Public Works

Public Works

The Public Works Department is responsible for planning and maintaining the Island’s infrastructure. Our department provides an array of services including the delivery of quality water and sewer services, maintaining public storm drains, managing the Island’s right-of-ways (roadways, sidewalks, traffic signals), and other City related City infrastructure. 

For a map of major 2018 transportation and utility projects, click here

Our department is responsible for the following functions:

Utilities: The Utilities Team provides quality service for the water and sanitary sewer customers on Mercer Island. The team is responsible for providing safe, effective and efficient water and sewer services to the City’s customers. The Team also assists with snow removal and storm response.
 
Right-of-Way Maintenance: The Right-of-Way Team maintains Mercer Island rights-of-way, storm drains, walkways and trails to insure a clean, safe and navigable system. The Team also provides snow removal and storm response.
 
Engineering and Capital Projects: The Engineering Team works to complete utility and street improvements projects on time and on budget and coordinates planning processes that balance the needs of the Island's infrastructure with the best interests of our customers.
 
Support Services: The Customer Response Team provides essential operational and informational needs that support the Utilities, Right-of-Way and Capital Project Teams, as well as all other City Departments.

General Sewer Plan: In accordance with Washington Administrative Code (WAC 173-240), governmental agencies (cities) providing sewer service are required to have a general sewer plan that demonstrates the agency’s ability to provide service consistent with the requirements of the State. Updates to these plans are necessary when conditions within the City have changed. This new Plan, dated November 2018, is an update of the General Sewer Plan (February 2003).

Click here for a PDF copy of the General Sewer Plan (November 2018).
 

Public Works Operations

Public Works Staff Directory

Submit a Service Request

Email Public Works

9601 SE 36th Street
Mercer Island, WA 98040

Ph: 206-275-7608
Fx: 206-275-7814

After-Hours Non-Emergency Issues:
425-577-5656

Billing Inquiries:
206-275-7783 

Power Outage Information:
1-888-225-5773
(Puget Sound Energy)

Emergencies:
Dial 9-1-1

Hours:
Monday - Friday
7:30 am – 3:30 pm 



News
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Annual Backflow Assembly Tests Are Overdue
Sept 9, 2019 - By State law, any high-risk plumbing connection that could potentially allow dirty water to enter the clean side of the City's drinking water system must be protected by a backflow prevention device, which must be tested annually. Test results are due to the City by June 30 each year;...  Read more... 
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Preparations Fully Underway for Recology October 1 Transition
Sept 5, 2019 - With September here, preparations are intensifying for the switch from current hauler (Republic Services) to Recology on October 1. Here's what residents can expect in the coming month... For more information, call the Recology service center directly at 206-381-6980, or click on t...  Read more... 
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Calendar Events
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Recology Open House
Wednesday, September 25, 2019
Do you have questions about your future recycling, compost, or garbage service with Recology?   Would you like to talk in person with Recology representatives, or see the trucks and equipment it will use on Mercer Island?   All residents are invited to a community open house ...  Read more... 
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RFPs & Bids
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Pump Station No. 11 Generator Replacement (1904-001-PS11)
Tuesday, August 27, 2019 - 4:00 PM
ADVERTISEMENT FOR BIDS CITY OF MERCER ISLAND, WASHINGTON Pump Station No. 11 Generator Replacement (1904-001-PS11) Bid# 19-08 DUE: September 25, 2019 at 2:00 PM (PST)   Notice is hereby given that the City of Mercer Island is soliciting sealed bids for the Pump Station No. 11 Gene...  Read more... 
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