Backflow Testing Near Me: South Carolina
Backflow Testing in South Carolina: Costs, Requirements & How to Find the Best Certified Testers
South Carolina is the state with the strictest tester-credential exclusivity in the nation: SCDES must be the certifying agency — there is no direct reciprocity with ABPA, ASSE, or any other program. Every tester must hold SCDES certification. SCDES maintains its own approved assembly list separate from the USC-FCCCHR list. Annual testing required for commercial; some utilities require every 2 years for residential.
Why Backflow Testing Matters in South Carolina
South Carolina Department of Environmental Services (SCDES, formerly DHEC) certifies all backflow testers through its own 4-day program — written exam + wet lab. There is currently no direct reciprocity with any other state or organization. National ABPA or ASSE credentials are not sufficient in South Carolina. SCDES maintains its own approved assembly list (different from USC-FCCCHR). The vertical tube test procedure is no longer allowed. Commercial assemblies: annual testing. Residential: annual at some utilities, every 2 years at others.
South Carolina Backflow Testing Law — The Plain-Language Version
SCDES certification required — no reciprocity with ABPA, ASSE, or other national programs. SCDES-approved assembly list (not USC-FCCCHR). Vertical tube test procedure NOT allowed. Commercial: annual testing. Residential: annual or biennial (confirm with utility). SCDES certifies testers directly.
Full South Carolina Backflow Law Details
Complete regulatory breakdown, certification requirements, and major utility programs: getyourbackflowtested.com/backflow-laws/south-carolina-backflow-prevention-laws
How Much Does Backflow Testing Cost in South Carolina?
Columbia metro (Columbia Waterworks, Richland/Lexington County utilities): $60 – $135 per assembly.
Charleston metro (Charleston Water System, North Charleston, Mount Pleasant, Summerville): $60 – $135 per assembly.
Greenville / Spartanburg (Spartanburg Water System, Greenville Water, Laurens County): $60 – $130 per assembly.
Myrtle Beach / Grand Strand (GSWSA service area): $60 – $130 per assembly.
Florence, Sumter, Rock Hill, Aiken: $55 – $125 per assembly.
How Long Does Backflow Testing Take in South Carolina?
Standard tests: 25–40 minutes. SC commercial: annual. SC residential: confirm with your utility whether annual or biennial applies. SCDES-approved assembly note: verify any replacement assembly is on SCDES’s approved list before purchase — not just the USC-FCCCHR list.
What to Expect on Test Day
Your tester arrives, locates your backflow assembly (typically near the water meter or service entrance), and connects calibrated differential pressure gauges to the test cocks. Water shuts off for 15–30 minutes during testing. You receive a signed test report immediately. Pass: results are filed with your utility. Fail: the tester identifies the fault and repairs or returns within the required compliance window. Always confirm your tester files results with your utility — request confirmation before they leave.
How We Vet South Carolina Backflow Testers — Our Selection Criteria
Every tester listed in our South Carolina city pages meets all of the following before inclusion:
SCDES certification: Verified on SCDES-published certified tester list — not self-reported. This is non-negotiable; out-of-state credentials are not accepted.
SCDES-approved assembly knowledge: Testers confirm familiarity with SCDES’s separate approved assembly list.
No vertical tube test confirmation: Testers confirm they use only SCDES-approved test procedures.
Calibrated equipment + insurance: Standard.
South Carolina Cities and Areas We Cover
Columbia metro: Columbia, Lexington, Irmo, Cayce, West Columbia, Forest Acres, Blythewood. Charleston: Charleston, North Charleston, Mount Pleasant, Summerville, Goose Creek, Hanahan, Moncks Corner. Greenville, Spartanburg, Anderson, Greer, Mauldin, Simpsonville. Myrtle Beach, Conway, Pawleys Island, Surfside Beach. Florence, Sumter, Rock Hill, Aiken, Beaufort. Statewide SC.
Find a Certified South Carolina Backflow Tester Near You
getyourbackflowtested.com | Backflow Testing in South Carolina