Why do I suddenly need a backflow preventer after years of not having one?
CCWD does its best to identify secondary sources of water, since most wells are not identifiable from the street; it is difficult for Inspectors to know who has a well. District regulations require backflow regardless of when the well was installed.

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1. Why do I suddenly need a backflow preventer after years of not having one?
2. I just leased this building, I am now required to install backflow prevention, why wasn't this required by the previous tenant and who should pay for this?
3. Will the installation of the backflow preventer affect the pressure and or flow of my water service?
4. Why is one backflow preventer above grade, and the other is below grade in a box?