Why do we flush?

Carmichael Water District flushes to maintain a high level of water quality in the distribution system. Over a period of time particularly at the dead-end locations, stagnant water containing biofilm will build up in our distribution system. The only way to alleviate this build-up is by opening the hydrants to achieve high-velocity cleaning of the lines. The District's seasonal flushing program maintains system water quality.

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1. Why do we flush?
2. When do we flush?
3. What do I do if I get sediment in my house?