The Blackwater Alert allows a plumber or homeowner to gently remove the pressure in the waste line using the patented port drain, which reduces the potential for messy, expensive cleanup and disinfection. Blackwater Alert is a patented, affordable, wireless device that alerts property owners to impending wastewater (blackwater) backups and enables them to react before incurring damages and expenses. It allows plumbers or homeowners to gently remove the pressure in the waste line using the patented port drain, which reduces the potential for messy, expensive cleanup and disinfection. This protects your property and your wallet with our sewer backup alarm in Bridgewater Corners, VT services.