How to Choose the Right Backflow Preventer Valve

For residential properties, backflow prevention assemblies are most frequently required in conjunction with a lawn irrigation system. Many New Jersey homeowners use extensive sprinkler systems to water their lawns and gardens. In many cases, there’s no inbuilt separation between the irrigation system and the potable water supply– creating the potential for backflow, a situation in which water moves backwards back into your sprinklers. When this occurs, that water can carry fertilizers, pesticides, herbicides, and other contaminants into clean water, a serious health hazard. To prevent this backflow from occurring, you may be required to install a backflow prevention valve (RPZ […]

Common Problems Found During Backflow Testing

Many homes and commercial buildings in New Jersey have a backflow preventer valve installed. These devices are designed to prevent mixing between contaminated water sources and the municipal clean water supply, and are usually installed in areas where those pipes might cross-connect. Backflow preventer valves are commonly used on properties that have large boilers, fire suppression systems, or irrigation systems, which tend to create an elevated risk of backflow. Backflow itself results from pressure differences, causing water to move in the wrong direction and contaminate the potable supply. If you have a backflow valve installed, you’re required to have professional […]

When is a Backflow Preventer Required?

Backflow prevention assemblies are designed to prevent contaminated water from mixing into clean municipal water supplies, which are usually used as drinking water. Contaminants like sediments, bacteria, and fertilizer are a major public health hazard, so in New Jersey, there are regulations in place that require certain buildings to have backflow preventers installed. What is “Backflow”? Simply put, “backflow” means that water flows in the plumbing system have become reversed, causing potable water– clean water you can drink– to mix into the used water, which contains bacteria, chemicals, and other harmful contaminants. Usually, water backflow results from one of two […]

Understanding Backflow Testing in NJ

Are you due for your annual backflow testing? If you have a backflow prevention device installed in your home or business, you’re probably required by various state and local legislation, such as the New Jersey Clean Water Act, to have professional backflow testing done at least once a year. At Backflow Testing NJ, we provide local homes and businesses with thorough backflow prevention device testing, ensuring that everything’s working correctly to keep bacteria, pesticides, and other contaminants out of the clean public water supply. What is Backflow Prevention? Backflow prevention valves are built into the plumbing systems of many New […]

Backflow Preventer Failure Can Lead To a Shutdown of Your Business

Backflow Preventer Failure Can Lead To a Shutdown of Your Business Working with some business owners on backflow preventer testing and repairs we have seen the lack of knowledge of business owners, management companies and facility managers about the importance of holding an up to date backflow testing certificate.  The backflow preventer requirements have been refreshed in the last two years and just recently local town building and plumbing departments have started to enforce the law’s requirements.  As a result, many business owners have received the backflow preventer letter requiring them to do backflow testing and submit the backflow testing […]


The following list are owners of properties that pose an actual or potential risk of contamination to the City’s water supply. This includes property with any of, but not limited to, the following facilities: ™Medical, dental offices and laboratories ™ Swimming Pools Funeral homes  Wells Sewage treatment or handling Booster Pumps Dry-Cleaning establishments ™ Water Storage Tanks Chemicals used in processing, e.g., photo finishing, dye plants, etc. Metal Manufacturing, Cleaning, Processing or Fabricating Plants ™ Multiple water services ™ Poultry Processing ™ Commercial or public kitchens ™ Water Cooled Equipment or Chillers ™ Beauty Salons or Barber Shops ™ Heat Exchangers with Water […]