| Quick facts | Answer |
|---|---|
| Cost range | From $50 at a nearby tester; confirm your quote |
| Time | Varies by home - confirm in your quote |
| Who's qualified | State-certified backflow prevention tester with up-to-date certification card |
Johns Island, SC: what's different here
Johns Island is in Charleston County, South Carolina, about 12 miles and roughly 19 minutes by car from Charleston via the main highway. Housing is dominated by detached single-family homes, many on crawl spaces rather than basements due to the Lowcountry coastal setting. The humid subtropical coastal climate means year-round outdoor plumbing exposure, and low-lying, flood-prone areas make backflow prevention especially relevant.
Who can perform an rpz valve test in Johns Island?
South Carolina DES requires all backflow testing to be done by a state-certified backflow prevention tester. A certified tester holds an up-to-date certification card issued by the Department. Ask the pro for proof of this certification.
How often is backflow testing required?
Charleston Water System says annual testing is required. Reports must be filed with applicable filing fees through its third-party reporting process. Confirm filing details with your tester.
How does a tester get certified in South Carolina?
Certification requires passing a proctored practical exam and a written exam. A course at Midlands Technical College requires 4 days of training plus a written exam and a hands-on exit exam, with tuition listed at $699. Certification must be renewed every 3 years.
What types of certified testers does South Carolina recognize?
South Carolina recognizes 4 types: General Tester, Limited Tester, Inspector Tester, and Manufacturer's Agent. DES lists certified testers serving Johns Island 29455. Check the state list to verify a tester's certification.
What to do next
- Confirm your water provider requires annual testing and ask the pro how the report is filed with Charleston Water System's third-party process.
- Verify the tester's certification card on the South Carolina DES certified tester list for Johns Island 29455.
- Ask the pro for proof of certification and insurance before scheduling the rpz valve test.
- Get the $50-or-better price in writing, including any filing fees, in your quote.
- 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.
