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Water Collection FAQs

Do I need a backflow prevention device?

If the elevation of the shower drain, bathtub drain or toilet, for instance, is lower than the elevation of the next upstream manhole cover of the public sewer, then you need a sewer blackflow prevention device. A backflow prevention device can be installed on your sewer lateral to reduce the likelihood of sewage entering your home or business through low lying plumbing fixtures when there's a blockage in the lateral or public main.