| Quick facts | Answer |
|---|---|
| Cost range | Varies by home - confirm in your quote |
| Time | Required annually, and immediately after any repair |
| Who's qualified | State-certified backflow prevention tester only |
James Island, SC: what's different here
James Island sits in Charleston County, about 6 miles from downtown Charleston, roughly 10 minutes by car via SC 30 (the James Island Connector). Most homes are mid-20th-century and later suburban housing, with many built after 1950. The town's low-lying coastal location means groundwater and tidal conditions can affect plumbing and irrigation, which makes backflow prevention especially important here. Charleston Water System is the main utility serving the town.
Who is allowed to test backflow devices in James Island?
South Carolina requires all backflow testing to be performed by a state-certified backflow prevention tester. Ask the pro for proof of licence and insurance before work begins. Certified testers hold one of four categories: General Tester, Limited Tester, Inspector Tester, or Manufacturer's Agent.
How often does a backflow assembly need testing?
Each backflow prevention assembly must be tested after installation and before use. After that, it must be tested at least once annually by a certified tester. Assemblies must also be tested immediately after any repairs are made to them.
What should I check on the approved device list?
Backflow prevention assemblies in South Carolina must appear on the SC DES approved list of backflow prevention assemblies. Confirm the device is on that list before a pro installs or tests it. The state list is the reference to check, not a company recommendation.
What if the assembly fails and needs repair?
If repairs are needed, South Carolina law requires the repair to be made by a DHEC-certified backflow prevention assembly tester. The tester is required to retest the assembly after repairs. A certified tester assumes full responsibility and liability when testing an assembly.
What to do next
- Ask the pro for proof of a current South Carolina tester certification and insurance before any work starts.
- Confirm that your backflow assembly appears on the SC DES approved list of backflow prevention assemblies.
- Request a quote that itemizes the annual test and any repair or retest work separately.
- If your irrigation or fire sprinkler system requires a permit, ask whether test results must be submitted before a certificate of occupancy is issued.
- 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.
