Construction to Start on Petaluma Boulevard for Corrosion Protection Project for Water Supply Aqueduct


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    Petaluma, CA – A construction project on Petaluma Boulevard to protect the one of the main drinking water pipelines that serves Petaluma will get underway the week of August 27, and will cause some traffic delays, lane closures, and restricted pedestrian access in some areas along the city’s main thoroughfare.

    Work at five sites along Petaluma Boulevard will take place Monday through Friday beginning the week of August 27, 2018 starting near East Washington Street and proceeding south to Petaluma Boulevard South at Mountain View Avenue. This phase of construction is expected to last approximately three weeks.

    The Sonoma County Water Agency (Sonoma Water) is performing maintenance on one of its main water delivery pipelines, the Petaluma Aqueduct, which travels through downtown Petaluma along Petaluma Boulevard. Work will take place from Monday through Friday, between 8 a.m. and 5 p.m. at various locations along Petaluma Boulevard.

    Construction on the pipeline may interfere with normal traffic and pedestrian patterns in the roadway near homes and businesses. At each site there may be lane closures, but traffic will remain open in both directions. Construction will only take place Monday through Friday during normal working hours.

    The Petaluma Aqueduct is one of the pipelines that helps deliver drinking water to more than 600,000 residents in Sonoma and Marin counties, including the City of Petaluma. The current project will update the corrosion prevention system currently installed on the aqueduct and helps prevent the metal portion of the pipeline from corroding. To help prevent corrosion, sacrificial metal anodes are buried next to the existing pipeline. These anodes are designed to corrode instead of the pipeline. Installing new anodes will extend the life of the existing pipelines by up to 50 years.  To learn more, visit:


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