Backflow Testing Services
While the Clean Water Act has been administered by the U.S. Environmental Protection Agency (EPA) since 1972, the fight to ensure that all Americans have access to clean water lingers on. At All Clear Plumbing, we’re happy to be able to help be a part of that fight.
One way we do that is through backflow testing, repair or replacement. Backflow tests are required by water municipalities and are done to prevent contamination between greywater systems and the water supply. All Clear Plumbing can perform the test and submit the paperwork on your behalf!
Backflow takes places when clean water reverses direction from its intended flow path. This can cause a suction that pulls dirty water into the supply system. That water may be “dirty” because of things such as chemicals, fertilizers or human waste. Obviously, these can all be hazardous to the water supply.
When the public water system loses pressure, backflow may occur. Backflow is often caused either by back pressure or back siphonage.
Backpressure takes place when the water pressure within a plumbing system exceeds that being supplied by the water distribution system. Differences in elevation can cause backpressure.
Backsiphonage is basically the opposite of backpressure, occurring when the water pressure within the distribution system falls below that of the plumbing system it’s supplying. An example would be when a fire department truck pumps water out of the distribution system faster than the water treatment plant equipment can replace it.
In South Carolina, the Department of Health and Environmental Control (DHEC) monitors backflow through programs such as the Cross Connection Control/Backflow Prevention. It’s specifically designed to protect the public’s drinking water from contamination by identifying and eliminating cross connections.
The DHEC program mandates that every public water system must initiate and maintain a viable cross connection control program. This is accomplished by surveying distribution systems for unprotected cross connections and eliminating those with the use of backflow prevention assemblies. The public water system must maintain accurate records pertaining to the location of existing backflow prevention assemblies, type and size of each assembly and annual testing results. All testing must be done by a state certified backflow prevention tester.
These backflow prevention devices – which are typically required by state and municipality plumbing codes, are most often for commercial properties. Locally, Greenville Water’s regulations state that a single-check valve, a dual-check valve, a double-check valve assembly or a reduced pressure principle backflow prevention device is required on all service lines, depending on the degree of health hazard at each location.
Residential Backflow Testing
For residential customers, backflow devices are typically found when there is an irrigation system in the yard.
Commercial Backflow Testing
The main function of Greenville Water’s Cross Connection Control Program is to eliminate the possibility of contamination. The program states that appropriate backflow prevention devices need to be in place for the following types of facilities:
- Car washes
- Funeral homes
- Health clinics
- Lawn sprinklers
- Dry cleaners
- Hair salons or barbers
- Photo processing labs
- Chemical facilities
- Public swimming pools
- Chemical plating facilities
Backflow testing is required because prevention devices have internal seals, springs, and moving parts that wear out over time. All Clear Plumbing has the well-qualified, cross connection control licensed, experts to provide this testing.
For backflow tests or any of your other commercial plumbing needs, call All Clear Plumbing at 864-979-7059 to set up an appointment today!
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