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Cities and municipalities typically require a water backflow prevention device at each plumbing cross-connection of multi units structures, commercial buildings, and industrial sites, to protect drinking water and city supplies from contaminants.

While the type will vary depending on degree hazard-, it’s important you have an annual test done by South Jersey Backflow’s certified and insured professionals who can also perform repairs or installations as needed and remind you before the next is due to keep you compliant.