Annual Water Main Flushing

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Water Main Flushing to Prepare for the Davis Woodland Water Supply Project.

The City of Davis Public Works Department is performing water main flushing to prepare the water system to receive treated surface water from the Davis Woodland Surface Water Supply Project. Click here for more details including a phase map and tentative schedule.

NO-DES truck

*Photo courtesy of Valvetek

Annual Water Main Flushing

The City has temporarily suspended our routine water main flushing program during California’s drought.  While flushing water mains on a regular schedule helps us maintain water quality standards, the City will only conduct water main flushing when absolutely necessary.

Every year, the Public Works Department performs a flushing program to clean the water mains. The purpose of the flushing program is to remove sand and sediment that settles in the water mains over time. In order to flush the line, it is necessary to open the fire hydrants to create a higher flow velocity. Flushing is necessary for maintenance purposes and will generally improve the quality of the water. Residents in the immediate vicinity of the flushing may notice a slight drop in water pressure, cloudy water from air in the lines or sediment in the water. Try to avoid using water or doing laundry if flushing is occurring nearby. If any sediment or discoloration is noticed, wait until the crew is finished, then run the faucets for a few minutes to clear the house lines. The flushing will be performed between 7:00 a.m. and 3:30 p.m. For a daily update of where the crews will be flushing, you may follow us on twitter @codwater. For any questions regarding this program, call the Public Works Department at 757-5686.