| Quick facts | Answer |
|---|---|
| Cost range | State tester certification fee is $150.00; customer test cost varies by quote |
| Time | Test takes about 30 minutes with water off; filing within 24 hours |
| Who's qualified | A tester holding an up-to-date South Carolina DES backflow tester certification card |
Summerville, SC: what's different here
Summerville is in Dorchester County, about 25 miles and roughly 32 minutes by car from Charleston via the main highway. The town has a humid subtropical climate, with an average summer high of 91°F and an average winter low of 33°F, and essentially no snowfall. Annual precipitation runs about 50 inches, and Lowcountry flood risk and hurricane rainfall are regional concerns for plumbing and backflow devices.
How fast must backflow test report filing happen after the test?
A Summerville-area provider says paperwork is filed with the water purveyor within 24 hours of the test. Nearby Goose Creek requires completed test paperwork back within 7 days of testing. Deadlines are measured in days, so ask your tester to confirm the exact local due date.
Who is allowed to perform backflow testing and file the report?
South Carolina requires all backflow testing to be performed by a state certified backflow prevention tester. DES defines a certified tester as someone holding an up-to-date certification card issued by the Department. Public water systems must keep records of assembly location, type, size, and annual test results.
How do Summerville testers stay certified?
South Carolina tester certification lasts 3 years, with a $150.00 application fee per certification. Recertification includes a 25-question written exam plus practical testing of a double check valve assembly, pressure vacuum breaker, and reduced pressure principle assembly. DES also lists certification classes, including one in North Charleston June 9-12, 2026.
Are certified backflow testers available in Summerville?
Yes. The South Carolina DES maintains a current list of certified backflow testers that includes multiple Summerville addresses. You can check that state list to confirm a tester's certification before hiring.
What to do next
- Ask the tester to verify their up-to-date South Carolina DES backflow tester certification card before the test.
- Request a quote that states the test time (about 30 minutes with water off) and filing within 24 hours.
- Confirm the filing deadline with your water purveyor; nearby Goose Creek allows 7 days.
- Check the tester against the DES certified testers list, which includes multiple Summerville addresses.
- 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.
