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In Progress: Jennings Lodge Sewer Improvement Project - Phase 2
In May 2025, we finished the first phase of a major sewer upgrade in Jennings Lodge. The second phase is scheduled to begin in August 2025 and is expected to conclude in spring 2026.
Project Overview
In the second phase of the project, we'll continue to repair or replace sections of approximately 60-year-old wastewater main pipes. This project is part of our larger Inflow & Infiltration (I&I) Reduction Program.
I&I is a problem where old, damaged pipes become inundated with excess water during heavy rain. Cracks or other deficiencies allow groundwater to seep into wastewater main pipes, resulting in significantly higher-than-normal flows. The sudden influx can overwhelm the treatment plant systems, potentially resulting in raw sewage overflowing into the river.
The result: Replacing or repairing faulty pipes reduces the need for frequent, costly “Band-Aid fixes” and protects our precious rivers by keeping raw sewage out.
| Project Contact | Phone | |
|---|---|---|
| Tessie Prentice | (503) 353-4226 | tessie.prentice@olws.org |
Potential Project Impacts
We have carefully planned to minimize disruptions; however, affected areas may experience delays and temporary road or lane closures. During construction, heavy equipment and materials will be in the work area, which will be marked with cones and/or caution tape. There may also be some noise and dust during construction hours.
On-site crews will communicate directly with homeowners about any direct impacts.
If you're experiencing impacts beyond what's typical for construction, please contact us directly.
Project Schedule
Schedule Lookahead
2/20/26 UPDATE: The second phase of work, repairing sewer mains through a process called pipe lining (see details below) is expected to begin the week of March 9. Please see schedule details below.
| Week | Work Scheduled | Impacts |
|---|---|---|
| 3/9 - 3/13 | Pipe lining and some lateral work on Roethe Place, River Dr, and and Hillside Dr.<br><br> Pipe lining will continue on parts of River Drive Ct, Willamette Dr, and Jennings Ave. | Roethe Pl. will be closed to all traffic 3/9-3/11: 7:30am - 5pm.<br><br> Construction on River Dr. will limit access due to the width of the street. If you do need to travel by car, please expect up to 20-minute delays. |
| 3/16-3/20 | Pipe lining on or near parts of Willamette Dr, La Cour Ct. | Heavy equipment in the area, and possibly some noise. Please work with on-site crews for local access. |
| 3/16-3/20 | Pipe lining on or near parts of Willamette Dr, La Cour Ct, River Dr Ct, and Manewal Ln. | Heavy equipment in the area, and possibly some noise. Please work with on-site crews for local access. |
| 3/23-3/24 | Pipe lining on parts of River Drive Ct and Hull Ave. | Heavy equipment in the area, and possibly some noise. Please work with on-site crews for local access. |
Private Improvements in Public Right-of-Way
In some locations, crews must work outside the public right-of-way in areas called easements or within undeveloped public right-of-way. Work crews will coordinate with homeowners with easements in or near their property.
Using New Technology to Drive Efficiency
For this project, we will use pipe bursting and pipe lining methods to replace faulty portions of existing mains. These are less costly and invasive alternatives to traditional methods, where a trench must be dug to remove the damaged section of the pipe.
In pipe bursting, a special machine pulls a new pipe through the damaged section, breaking it open.
Pipe lining is a method that uses a special lining to coat the inside of damaged pipes, protecting against cracks and other damage without requiring a full replacement.