| Quick facts | Answer |
|---|---|
| Cost range | $100 to $200 |
| Time | 20 to 30 minutes |
| Who's qualified | State certified backflow prevention tester |
North Charleston, SC: what's different here
North Charleston is located in Charleston County, SC. This coastal community faces flooding risks from sea level rise and extreme weather events. Charleston County has over 40% of dedicated affordable housing highly vulnerable to flooding. North Charleston is approximately 10 minutes from Charleston via main highway.
Why is a reduced pressure zone assembly test required in North Charleston?
A reduced pressure zone assembly in South Carolina must be tested after installation and before use. Following the initial test, the assembly must be tested at least once annually thereafter. This requirement is mandated by South Carolina DHEC Cross-Connection Control/Backflow Prevention guidelines.
What are the certification requirements for backflow testing in North Charleston?
South Carolina requires all backflow testing to be done by a state certified backflow prevention tester. This certification is valid for three years and must be renewed. The certification process includes a 4-day course with written and hands-on exams.
What equipment and standards must a local pro use for this reduced pressure zone assembly test?
South Carolina requires backflow prevention assemblies to be tested using approved equipment. The field-test equipment must be calibrated and certified annually to ensure accuracy. Testers must use gauges accurate within 2% of full scale or plus/minus 0.3 psi differential.
What to do next
- Verify the local pro has a backflow prevention assembly tester certification card issued by the Department.
- Confirm the test covers the specific reduced pressure zone assembly test requirements.
- Ask for proof of license and insurance before the service begins.
- Ensure the tester's equipment is calibrated and certified annually.
- 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.
