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Starting today, July 25, the Portland Water Bureau will begin blending a small portion of water from its Columbia South Shore Well Field with water from the Bull Run Watershed as an annual maintenance operation.
Public notification is not required but the Portland Water Bureau informs the media and sensitive water users, as a practice, when it activates groundwater and when it has significant operational changes. The media and sensitive water users will again be notified when the Portland Water Bureau returns to 100 percent Bull Run water.
As a result of careful planning, Portland is fortunate to have access to two excellent water sources that allow us to be prepared to meet the range of supply and demand conditions that occur in the Portland water system.
The Columbia South Shore Well Field is a high-quality water supply that meets or surpasses all federal and state drinking water regulations.
The city's groundwater supply is a complex system composed of electric pumps, chemical feed systems, electronic controls and other equipment that must be operated regularly to identify maintenance needs. By doing this operation routinely, the bureau will ensure the reliability of the system when needed, either in an emergency or to meet seasonal supply demands.
The average contribution of groundwater to the system will be approximately 15 percent of the total daily water demand. The groundwater maintenance run is scheduled to end in mid-August but may be extended as necessary. Due to the low percentage of groundwater being blended with the Bull Run Source, the bureau does not expect there to be a large change in water chemistry. It takes up to 10 days depending on location and overall water demand for the blended water to make its way through the distribution system to homes and businesses.
Customers with questions are encouraged to call the Water Line at 503-823-7525.
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Construction crews will be restoring SW Macadam Avenue near the intersection of SW Nevada Street Monday through Thursday nights July 18-21st. Zupan's Markets and all area businesses will remain open normal hours during construction. To minimize traffic disruptions, work will begin each night at 8 p.m. and be completed by 5 a.m. the next morning.
During construction, SW Macadam Avenue will remain open in both directions but traffic will be reduced to one lane in each direction and some turning movements could be restricted. Travelers are urged to use alternate routes and are reminded to drive slowly, exercise caution, and follow the direction of flaggers when traveling in and around the construction area. As with any construction project, safety is our first priority. Please obey flaggers and all construction signs.
Crews will do their best to position equipment to reduce noise in the neighborhood. For more information about nighttime work and noise, visit the City of Portland Office of Neighborhood Involvement Noise Control Program webpage, call the hotline at 503-823-7350, or e-mail firstname.lastname@example.org.
The Hannah Mason Pump Station is being built to replace the aging Fulton Pump Station on SW Nevada Street. Work began in March 2015 and will continue into fall of 2016. The Water Bureau is working closely with Portland Parks & Recreation and other local agencies to coordinate this project with ongoing operations and other projects in the area. We will keep neighbors, local businesses and other stakeholders updated as work progresses.
For more information, call Sam Beresky at 503-235-5881 or visit the project website: https://www.portlandoregon.gov/water/hannahmason