| Quick facts | Answer |
|---|---|
| Cost range | $40 per device |
| Time | Varies by home - confirm in your quote |
| Who's qualified | State-certified backflow prevention tester |
North Charleston, SC: what's different here
North Charleston is located in Charleston County, South Carolina. The city is approximately 6 miles and about 10 minutes by car from Charleston via main highway. The area requires all backflow testing to be done by a state-certified backflow prevention tester. This ensures compliance with local water system requirements.
SC DES Certification Requirements
All backflow testing must be performed by a state-certified backflow prevention tester as mandated by the South Carolina DES. A certified tester holds an up-to-date backflow prevention assembly tester certification card issued by the Department. This certification is required for all testing in the area.
North Charleston Testing Fees
Beyond the base rate, additional fees may apply during irrigation backflow testing. A $100 red-tag fee is listed if testing is needed within 48 hours. If excavation is required to access the device, a $25 dig fee may apply.
Local Pro Certification Opportunities
The South Carolina DES lists training classes for tester certification in the area. One upcoming class is scheduled for June 9-12, 2026, at the N. Charleston Convention Center. These classes cover the proctored practical and written exams required for certification.
What to do next
- Verify the local pro holds a state-certified backflow prevention tester card issued by the SC DES.
- Ask the pro for proof of licence and insurance before scheduling irrigation backflow testing.
- Confirm the quote includes the annual reminder and result submission services.
- Ensure the tester is certified under the four recognized types: General, Limited, Inspector, or Manufacturer’s Agent.
- 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.


