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Home
Contact
Residents
Community
Community Home
Community Meeting Spaces
Demographics
Diversity, Equity & Inclusion
Email Subscriptions and Notifications
History
Need Help?
Neighborhoods
Projects
Things to Do
Weather
Get Involved
Boards and Commissions
Volunteer Opportunities
Youth
Getting Around
Accessibility
Adult Community Center Transportation
Maps
Trails & Pathways
TriMet Trip Planner
Willamette Shore Trolley
Have Fun
Adult Community Center
Arts & Culture
Events
Farmers' Market
Golf Course
Indoor Tennis
Just for Kids
Library
Luscher Farm
Park Sites
Parks & Rec Class Catalog
Walking Trails
Safety
Emergency Preparedness
Fire Prevention
Police
Schools
Lake Oswego School District
Nearby Schools
Your Home
Building Permits
City Code
Code Compliance
Mediation Services
New to Lake Oswego
Recycling and Waste
Tree Code
Business
Building Development
CAD Overview
CAD Standard Details
City Code
Signs
Zoning & Permits
Doing Business
Bids and RFPs
Business Districts
Business Licenses
Business in Lake Oswego
Getting Started
Recycle at Work
Economic Development
Business Oregon
Clackamas County
Why Lake Oswego?
Resources
Business Organizations
Chamber of Commerce
Small Business Loans
Visitors
Things to Do
Events
Farmers' Market
Golf
Indoor Tennis
Library
Parks & Recreation
Summer Outdoor Concerts
Willamette Shore Trolley
Visitor Information
Getting Around
Maps
Weather
Accessibility
City Services
Adult Community
Adult Community Center
Meals
Senior Services
Very Important Partners
Community Development
Building
Code Enforcement
Planning
Tree Protection & Removal
Emergency Preparedness
Are You Ready?
Electric Service
Emergency Info
Emergency or Hazard Tree Removal
Natural Gas Service
Pets
Public Alerts
Weather
General Services
Accessibility
Business Licenses
Dog License
Notary Services
Passports
Public Records Requests
Special Events Permits
Utility Bills and Services
Library
Library Home
Children
Events for All Ages
Lake Oswego Reads
Teens
Parks & Recreation
Golf Course & Practice Range
Indoor Tennis Center
Lake Grove Swim Park
Lake Oswego Swim Park
Luscher Farm
More Parks & Recreation
Water Sports Center
Public Safety
Fire Department
Mediation
Municipal Court
Police
Public Works
Drinking Water
Engineering
Street Lights
Street Sweeping
Streets
Surface Water & Storm Drains
Traffic Signals & Signs
Wastewater Collection
Water Conservation
Recycling & Sustainability
Garbage, Recycling and Yard Debris
Sustainability
Transportation
Bikes & Pathways
Downtown Parking
Maps
Public Transit
Safe Streets
Traffic Engineering
Government
Accessibility
Request an Accommodation
Boards and Commissions
Boards and Commissions Home
City Council
Agendas and Minutes
City Council Home
Mayor and Council
Watch a Meeting
Youth Leadership Council
City Manager
About the City Manager's Office
City Manager Home
Organizational Chart
Departments
Building
City Attorney
Engineering
Finance
Fire
Human Resources
Lake Oswego Tigard Water Partnership
Library
Municipal Court
Parks & Recreation
Planning
Police
Public Affairs
Public Works
Redevelopment Agency
How Do I ...
Apply For ...
Building Permit
Business License
City Jobs
Dog License
Passport
Contact ...
City Manager
Council Members
Departments
Find ...
Bids & Contracts
City Code
City Offices
Election Info
Emergency Info
Library
Parks
Public Records
Trails
Get Involved ...
Boards & Commissions
Neighborhood Associations
Volunteer
Youth
Pay ...
Business License
Parking Ticket
Property Tax
Utility Bill
Register ...
Bid on Projects
Classes and Camps
Email Updates
Online Bill Pay
Vote
Report ...
Barking Dog
Code Violation
Crime
Graffiti
Speeding
Spill or Water Quality Issue
Street Light
Street Maintenance
Tree Code Violation
Request ...
An Accommodation
Building Inspection
Code Enforcement
Emergency Medical Report
Public Records
View ...
Art
Bids & Contracts
Business License
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Local News
Search
Search form
How can we help?
Translate
Select a language...
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Japanese
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Engineering Home
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City of Lake Oswego
SD9-06
Infiltration Trench
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