Mount Pleasant, SC

Backflow Device Recertification in Mount Pleasant, SC

Short answer

Backflow device recertification in Mount Pleasant requires a 25-question written exam plus a wet lab, and tester certification renews every 3 years. Call CHS Backflow at (843) 286-4721 for a free referral to a licensed, insured local tester.

Updated October 28, 2026 2 min readLeer en español

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 Recert training runs about $140 to $699; testing runs $50 to $250
Time Certification is valid for 3 years before renewal is required
Who's qualified A tester holding an up-to-date state-issued backflow prevention assembly tester certification card

Mount Pleasant, SC: what's different here

Mount Pleasant sits in coastal South Carolina, about 9 miles and roughly 15 minutes by car from Charleston via the main highway. Seasonal storms and flooding in the coastal lowcountry can raise backflow concerns, because reduced pressure and contaminant intrusion risks rise during pressure disruptions. That makes keeping assemblies tested on schedule especially important for local property owners.

What does backflow device recertification involve in Mount Pleasant?

South Carolina recertification requires passing a 25-question written exam and testing a double check valve assembly, a pressure vacuum breaker, and a reduced pressure principle assembly in a wet lab. The state does not offer reciprocity recertifications, so testers must use one of the state-approved recertification options. Tester gauges must be accurate to within 2% of full gauge scale or plus/minus 0.3 psi differential.

How much does backflow recertification training cost near Mount Pleasant?

A Charleston-area training program lists a backflow tester course at $140. Another South Carolina training program lists estimated tuition of $699, not including fees and equipment. Costs vary by program, so compare options before enrolling.

Who can test backflow assemblies in Mount Pleasant?

South Carolina DES says all backflow testing must be done by a state certified backflow prevention tester. A certified tester holds an up-to-date backflow prevention assembly tester certification card issued by the Department. Certification is earned after a proctored practical exam and a written exam.

How often is backflow testing required in Mount Pleasant?

South Carolina requires at least annual backflow testing for many assemblies, with testing also required at installation and after repairs. Most backflow tests in South Carolina run about $50 to $250 per assembly. Residential testing in the Charleston area is commonly advertised at about $85, and commercial testing at about $125.

What to do next

  1. Check your tester's certification card expiration date, since South Carolina certification must be renewed every 3 years.
  2. Ask any tester for proof of a current state-issued backflow prevention assembly tester certification card.
  3. Get a written quote per assembly, since most South Carolina tests run $50 to $250.
  4. Schedule annual testing, plus a test after any repair or new installation.
  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.

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Quick answers

How long does South Carolina backflow tester certification last?

South Carolina backflow prevention tester certification is valid for 3 years and must be renewed to remain valid. Renewal requires passing the state recertification requirements.

Does South Carolina accept reciprocity for backflow recertification?

No. South Carolina does not offer reciprocity recertifications, so testers must use one of the state-approved recertification options.

What types of certified backflow testers does South Carolina recognize?

South Carolina recognizes 4 types: General Tester, Limited Tester, Inspector Tester, and Manufacturer's Agent. Each holds a state-issued certification card.

Where can testers find a Charleston-area certification class?

South Carolina DES lists a Charleston training class for tester certification at the North Charleston Convention Center, with dates shown as June 9-12, 2026. Check the state's program list for current details.

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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