| Quick facts | Answer |
|---|---|
| Cost range | Varies by home - confirm in your quote |
| Time | Annual testing required; certification renew every 3 years |
| Who's qualified | State certified backflow prevention tester |
North Charleston, SC: what's different here
North Charleston is located in Charleston County, South Carolina, within the Charleston metro area. The region is characterized by hot, humid summers and frequent rainfall typical of coastal South Carolina. North Charleston is approximately 6 miles and about 10 minutes from Charleston via main highway.
Why is annual backflow device recertification important in North Charleston?
South Carolina requires that backflow prevention assemblies be tested at least once annually by a certified tester. North Charleston experiences hot, humid summers and frequent rainfall. These coastal conditions can increase corrosion and wear on plumbing and water equipment.
What are the requirements for a certified backflow prevention tester?
To recertify, a tester must pass a 25-question written exam with a minimum score of 70%. They must also pass a proctored practical exam testing specific assemblies in a wet lab.
How is backflow testing regulated in North Charleston, SC?
All backflow testing in South Carolina must be performed by a state-certified backflow prevention tester. The South Carolina DES maintains the list of approved backflow prevention assemblies for the state.
What to do next
- Verify that the local pro uses a differential pressure gauge accurate within 2% of full scale or plus/minus 0.3 psi differential.
- Confirm the 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 scheduling the backflow device recertification.
- Ensure the testing covers a double check valve assembly, a pressure vacuum breaker, and a reduced pressure principle 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.
