Public Works

The Lake Oswego Public Works Department is responsible for maintaining infrastructure systems throughout the City to ensure they are working correctly, efficiently, and that the life of our assets is maximized. Streets, Water, Sewer, Stormwater, Motor Pool and City Beautification maintenance programs make up the department with each responsible for their own infrastructure system.

Here at Public Works, we take pride in providing utility maintenance to help make Lake Oswego a great place to live.

News & Announcements

Connecting the World Through Public Works

Public Works professionals operate at the heart of our community to connect us all through infrastructure and service. Join us May 21-27 for National Public Works Week, as we go behind-the-scenes in a video series and showcase some of our unsung heroes working in Public Works in Lake Oswego! 

Covering everything from Geographic Information Systems and Engineering, to City Beautification and Surface, Wastewater and Water Systems, these seven public works professionals will be sharing their stories about their favorite and least favorite aspects of public works, unique elements of working in Lake Oswego, and things they would love the public to know more about!  Follow along on the City's Social Media accounts or YouTube throughout the week! 

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Celebrate Drinking Water Week May 7-13!

May 7 – 13 is Drinking Water Week, a celebration recognizing the vital role water plays in everyday life for both water professionals and the communities they serve. This week, meet some of our dedicated water professionals, who work behind-the-scenes around the clock, to ensure the Lake Oswego community enjoys nature's most precious resource. No matter the weather or the emergency, these hardworking professionals brave the elements to maintain all the infrastructure needed to ensure high-quality drinking water is there when you need it! 

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Smart Water Meter Project

The City is updating outdated, manually-read water meters to a new, wireless-read technology. These smart meters support efficiencies in our water system. We are replacing nearly 12,000 residential meters city-wide. More than 3,000 meters have already been installed in the northwest corner of the city. 

In early 2023, contractors are installing meters in the Forest Highlands, North Shore Country Club, Evergreen and First Addition neighborhoods, working clockwise towards the remaining neighborhoods on the south side of the lake. 

Read More about Smart Water Meter Project
Proposed New Wastewater Treatment Facility

Lake Oswego, with Portland's support, is proposing to build a new, state-of-the-art wastewater treatment facility to replace the aging Tryon Creek Wastewater Treatment Plant.

For more details on the project, or to sign-up for e-news, visit the project website. 

Read More about Proposed New Wastewater Treatment Facility
Read your Water Quality Report

Your drinking water is clean and safe. Get to know your drinking water by reviewing the latest 2023 Water Quality Report! 



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Lead and Drinking Water - Free test kits available

The main source of lead in drinking water is typically from household plumbing or components associated with service lines. We offer free lead testing to our water customers. If you are concerned about the levels of lead in your home, you can pick up a test kit and instructions at the 2nd floor reception desk at City Hall.  For questions about lead testing or your drinking water, call the Water Treatment Plant at 503-635-0394.

Read More about Lead and Drinking Water - Free test kits available
Contact Information

Maintenance and Motor Pool
Maintenance Center
17601 Pilkington Rd
Lake Oswego OR 97035

Water Treatment Plant
Water Conservation

Upcoming Events

Wastewater Treatment Facility Project - Neighborhood Meeting

Jun 22 2023 - 6:00pm

Wastewater Treatment Facility Project - Neighborhood Meeting

Jun 22 2023 - 6:00pm

Transportation Advisory Board Meeting

Jul 20 2023 - 7:00pm

Resource Center

Key Documents and Reports

Forms, Permits, and Applications