| Quick facts | Answer |
|---|---|
| Cost range | Varies by property - confirm in your quote |
| Time | Varies by number of assemblies - confirm with your pro |
| Who's qualified | SCDES-certified backflow prevention tester with current certification card |
West Ashley, SC: what's different here
West Ashley is a sprawling suburban area west of the Ashley River and part of the Charleston metro area. It sits in Charleston County, South Carolina, about 9 miles and roughly 17 minutes by car from Charleston via US-17 S. The community uses Charleston ZIP codes 29407, 29414, and 29455. Local flooding concerns have even prompted Charleston County Public Works to seek $145,000 for a greenbelt project in the area.
Who can perform commercial backflow testing in West Ashley?
South Carolina requires all backflow testing to be done by a state-certified backflow prevention tester certified by the South Carolina Department of Environmental Service. A certified tester holds an up-to-date backflow prevention assembly tester certification card issued by the Department. Ask the pro for proof of licence and insurance before work begins.
How often is commercial backflow testing required in West Ashley?
Backflow assemblies must be tested at installation, after any repair, and at least once per calendar year by a certified tester. Charleston Water System confirms annual testing is required and all reports must be filed with the applicable filing fees through its third-party reporting process. The pros we refer can handle the testing and reporting.
How does a tester become certified for commercial backflow testing?
South Carolina backflow tester certification is earned after a proctored practical exam and a written exam. Certification must be renewed every 3 years. The state recognizes 4 types of certified testers: General Tester, Limited Tester, Inspector Tester, and Manufacturer's Agent.
Who installs backflow assemblies in West Ashley?
Backflow programs in South Carolina require all installations to be completed by a licensed plumber. Annual testing must then be completed by a SCDES-certified backflow tester. If your commercial property needs a new assembly, ask the pro whether installation and testing are handled separately.
What to do next
- Call CHS Backflow at (843) 286-4721 for a free referral to a licensed, insured local backflow tester.
- Ask the pro for their SCDES backflow prevention assembly tester certification card and confirm it is up to date.
- Request a written quote covering the annual test, any repairs, and the report filing fees.
- Schedule testing at least once per calendar year, and again after any repair to an assembly.
- Call (843) 286-4721 or email [email protected] for a free quote from a licensed, insured local backflow tester.
CHS Backflow is a free referral service: an independent contractor does the work and may pay us a referral fee. You never pay us anything.




