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Treated water: NID’s annual flushing program underway

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The flushing crew works on Cement Hill Road in Nevada City

(Dec. 1NID has begun to flush out hydrants to ensure the water pipelines function properly and customers continue to receive high-quality drinking water.

This annual program to clean the District’s treated water distribution system will extend through March 2023. The work will start in Cascade Shores and end in North Auburn.

During the process, the District’s crew will tap fire hydrants, allowing water to flow through main lines at a higher velocity to wash away any residue that may have collected throughout the year.

Water will be dechlorinated and flushed from the hydrants up to 400 gallons a minute.

Flushing does not usually affect water service in the area. Customers may experience momentary pressure changes when nearby hydrants are tapped. They also may experience some turbid or discolored water, which can be cleared quickly by opening a faucet and letting the water run.

If you have any questions about the flushing program, please call the NID operations desk at (530) 271-6885.


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