A cross connection is any actual/potential (direct or indirect) connection between good water and water from a questionable source. Movement of the water is caused by backflow back-siphonage or backflow back-pressure.

It is the responsibility of the property owner to insure all devices are working properly by having them tested or replaced as needed by a certified backflow technician. Failure to comply could cause property damage, personal injury, or death.

In Maryland, the department of environment has established rules and regulations to ensure the quality of potable water. As the risks of large-scale contamination increases, it becomes increasingly important for highly trained and skilled plumbers to familiarize themselves with all areas of backflows. at shepherd we take cross-connections very seriously, cross-connections have resulted in serious injuries and illnesses including typhoid fever, salmonella, hepatitis, and dysentery.