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Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

1120 SW 5th Avenue, Room 1000, Portland, OR 97204

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N Skidmore Sewer Extension Project

Construction Begins April 2017

Environmental Services, the city’s sewer and stormwater utility, is extending the public sewer system to properties where service is only available through a neighboring property. This is most commonly referred to as a party sewer connection. Under N Skidmore Terrace, this project will install 540 feet of main line sewer pipe, three new manholes, and branch connections to ten properties allowing them to make direct connections the public sewer. This project will help protect public health, water quality, and the environment.

Construction will begin in February and is expected to be completed in June. The first activities will include survey, and moving equipment and materials into the area. There may be periods of inactivity. Typically, the mainline sewer and manholes are installed first, and then the branch connections are made to each property. For this project the main line sewer will be installed using a trenchless method requiring access pits to be dug, from these pits a horizontal directional drill method will be used. Branch connections will be installed using an open trench method. For more information on construction methods visit:

Project Map


  • Construction creates noise, vibration and dust and disrupts normal neighborhood activity.
  • Local access to all properties will be maintained, but construction activities may impact normal use of your driveway or entrance to your business.
  • You should expect traffic delays in and near the work area. Please observe traffic control signs and follow the directions of flaggers.
  • Some equipment and materials may be stored on your street or nearby streets overnight.
  • A city inspector will be on-site during work hours and may be able to assist you with an immediate need during construction.
  • Sewer, water, and other utilities will remain in service during construction.


Contact Rhetta Drennan at 503-823-6006 or  

Thank you for your cooperation during this project. Please let us know if you have questions or concerns such as effects on business operations, medical or business deliveries, or if you need help with access for people with disabilities, or other concerns. We appreciate your communication and want to hear from you.