Johns Island, SC

Backflow Test Report Filing in Johns Island, SC

Short answer

Backflow test report filing in Johns Island costs about $75 to $250 per device, or $65 to $175 with report filing included. Call or text (843) 286-4721: CHS Backflow is a free referral service that connects you with a vetted local pro in Johns Island. South Carolina requires the state-certified tester, not the homeowner, to submit the written test report to the public water system.

Updated November 7, 2026 2 min read

Quick answer

CHS Backflow is a free referral service for backflow testing in Charleston, SC: call or text (843) 286-4721 (our assistant answers 24/7 in English or Spanish; callbacks Mon–Fri, 8am–5pm ET) and a vetted local pro calls back within the hour during business hours; backflow repair or rebuild kit: typically $150–$400; serving Charleston, Mount Pleasant, North Charleston, Summerville, James Island, Johns Island.

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Quick facts Answer
Cost range About $75–$250 per device; $65–$175 with report filing included
Time Single-visit test plus report submission
Who's qualified A South Carolina state-certified backflow prevention tester

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. Homes here tie into the public water system, which must keep records of backflow assemblies and annual test results. Charleston-area tester lists include Johns Island and nearby ZIP codes, showing local availability of certified testers.

Who is responsible for backflow test report filing on Johns Island?

South Carolina rules put the duty on the certified tester. The public water system must receive a written report of inspection and testing results for all tested assemblies, and the tester submits it. The water system keeps records of all backflow assemblies and annual test results.

How often is backflow testing required in Johns Island, SC?

State rules require each backflow assembly to be tested after installation and before use, then at least once a year by a certified tester. Every tester must pass a written exam and a wet lab exam to be certified, and certification expires every 3 years.

How much does backflow testing cost near Johns Island?

Typical residential testing runs about $75 to $250 per device, averaging about $143. A compliance test with report filing included is often priced around $65 to $175. Most homes need just a single-visit test plus report submission.

Are certified backflow testers available around Johns Island?

Charleston-area tester lists include Johns Island and nearby ZIP codes, so certified testers are locally available. Johns Island sits about 12 miles, or roughly 19 minutes by car, from Charleston via the main highway.

What to do next

  1. Call CHS Backflow at (843) 286-4721 for a free referral to a licensed, insured local backflow tester.
  2. Ask the pro for proof of South Carolina backflow prevention tester certification and insurance before the visit.
  3. Request a written quote covering the test plus report filing, typically $65 to $175.
  4. Confirm the tester will submit the Backflow Assembly Test Report Form to the public water system after the annual test.
  5. 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.

Related answers

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Quick answers

Does the homeowner file the backflow test report in Johns Island?

No. South Carolina requires the certified tester to submit the written report of inspection and testing results to the public water system.

How often must a backflow assembly be tested?

It must be tested after installation and before use, then at least once annually by a certified tester.

How long is a South Carolina backflow tester certification valid?

It expires every 3 years. Recertification requires a 25-question written exam plus wet-lab testing of three assembly types.

How much does a typical residential backflow test cost?

About $75 to $250 per device, with an average of about $143. Compliance tests with report filing included often run $65 to $175.

Backflow testing help in Tulsa

CHS Backflow is a free referral service connecting you with licensed, insured local backflow testers in Charleston and nearby areas. The pros we refer perform all work and may pay us a referral fee. We do not perform work or hold licenses. You pay no fee to us and may get other quotes.

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