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  • Water Treatment Plant staff have responded to many water customer requests for lead samples over the past year. Of the 25 homes, churches and day care facilities tested in Lake Oswego in 2016 at the owners request, all samples have been below the US Environmental Protection Agency action level of 15 parts per billion and the majority...

  • On February 7, 2017, City Council adopted a new methodology and rate table for assessing Transportation System Development Charges. The new methodology rates go into effect on July 1, 2017, and will be adjusted annually as part of hte Master Fees and Charges updates that occur January 1 of each year.

  • LAKE OSWEGO, Ore. – This summer, the City of Lake Oswego collected water samples from taps in each City-owned building, to test for the presence of lead in the water from faucets or building plumbing.

  • City of Lake Oswego Oregon Official Website

    Project Summary: Maintenance Center:

  • Lake Oswego Tigard Water Partnership

    Let’s celebrate National Drinking Water Week and our unsung heroes!

    Tap water provides public health protection, fire suppression, drives our economy and supports the quality of life we enjoy.

  • Clackamas River

    In light of the unfortunate water quality issues in Flint, Michigan, the Lake Oswego Tigard Water Partnership would like to share some information about the quality of Lake Oswego’s drinking water, which Tigard water customers will also share this summer.

  • Showing the need for stormwater management

    The City's new stormwater code and the Lake Oswego Stormwater Management Manual are now in effect. Manual files are available using the links below.

  • City of Lake Oswego Oregon Official Website

    The City of Lake Oswego Engineering Division has rolled out a "new updated" CAD Standards and Guidelines Manual.  For use by engineering professionals designing public infrastructure, these standards represent a significant revision of previous Lake Oswego CAD Standards.  The manual covers integration of...