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Engineering FAQs
How do I determine if my property is within the floodplain?
Contact Tony Doran at (503) 691-3035. Please be ready to provide your address or map and tax lot number and they will let you know if you are in the floodplain.
Does my development require a special Flood Hazard Area Development Permit?
If it is determined that your project is within the 100-year floodplain, you will need a Flood Hazard Area Development Permit. Please contact Tony Doran at (503) 691-3035 for more information.
Does my development require storm water detention or water quality treatment?
The Surface Water Management ordinance adopted by the City of Tualatin is intended to implement Oregon Department of Environmental Quality and Clean Water Services requirements for surface water management and water quality within the Tualatin River basin by reducing the amount of sediment and other pollutants entering the public storm and surface water system. Each new development is responsible for mitigating the impacts of that development upon the public storm/water quality system. This may be accomplished by on-site detention, enlargement of the downstream conveyance, or a fee. The Engineering Department must review development plans in order to determine whether detention is required and what type of water quality facility is acceptable. Please contact Tony Doran at (503) 691-3035 for further information.
How do I adjust my property line?
You need to submit a development application for a property line adjustment. Contact Tony Doran at (503) 691-3035 for an application. Engineering staff can also assist you with clarification of the submittal requirements if needed. The submitted plans are reviewed for compliance with the Tualatin Development Code, applicable ordinances, and regulations. If approved, a survey of the new property boundaries must be completed and recorded within one year. The review process may take up to 30 days after the application is deemed complete.
How do I partition my property?
You need to submit a development application for a partition. Contact Tony Doran at (503) 691-3035 for an application. Tony can also assist you with clarification of the submittal requirements if needed. The submitted plans are reviewed for compliance with the Tualatin Development Code, applicable ordinances, and regulations. No partition application shall be recommended for approval unless adequate public facilities are available to serve the proposed partition. The public is notified of the partition decision and interested parties may request the decision be reviewed by the City Council. Once a final decision is issued, a survey of the property partition must be completed and recorded within one year.
What is the process for subdividing my property?
The City of Tualatin Engineering Division has made an effort to implement the goals of the Tualatin Development Code and provide quality customer service in all aspects of development. The development of subdivisions is a very detailed process and is outlined in the Tualatin Development Code Chapter 36.
When is a Public Works Permit required?
A public works permit is required for any work on a public utility (i.e. water, sewer, storm lines or public street). These public utilities can be in the public right-of-way or in a public utility easement.
What is the deposit for a Public Works or Water Quality Permit?
The deposit covers the cost for Engineering staff to review plans and inspect the work. The original deposit equals 5% of the cost of the improvement, with a minimum of $500.00.
What is Clean Water Services?
Clean Water Services is a county services district formed under ORS Chapter 451, which granted authority and responsibility for the planning, financing, construction, operation, and maintenance of sewers and sewage treatment facilities. In 1989, Clean Water Services (CWS) obtained permitting authority for storm and surface water management through Section 319 of the Clean Water Act. They are responsible for the storm and surface water management within the Tualatin River Basin in Washington County.
What is the role of Clean Water Services in development in Tualatin?
Clean Water Services (CWS) is a governing body responsible for the quality of surface water and sewage treatment within urban Washington County and they play a large role in the development process within the City of Tualatin. For a development, you can start the Environmental Review process with CWS by submitting a Pre-Screen Form and you can find more information by visiting their Step-By-Step Process website.
