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Water Softener Installation in South Carolina
Of the 43 South Carolina towns we route calls in, 7 are supplied by ground water and 36 by surface water. That split is the first thing to establish about any address here, because it is the best single predictor of how hard the water will be.
The short version
Across 43 covered towns in South Carolina, ground water supplies 7 and surface water 36. That split predicts hardness better than anything else available without a test, and the published hardness figure settles it outright.
Source: US EPA, Safe Drinking Water Act data download, 2026 Q2.
The pattern hereWhere South Carolina gets its water
Neither figure tells you about your own address. Source type follows geology and infrastructure, not county lines, and two towns twenty miles apart routinely draw from different places. The town pages below name the system for each one.
Largest systemsThe biggest suppliers we route to
| Town | System | Source | Connections |
|---|---|---|---|
| Greenville | Greenville Water (SC2310001) | Surface | 195,497 |
| Conway | GSW&SA (SC2620004) | Surface | 108,645 |
| Rock Hill | Rock Hill City of (SC4610002) | Surface | 38,884 |
| Lancaster | Lancaster County W&SD (SC2920001) | Surface | 36,859 |
| Greer | Greer CPW (SC2310005) | Surface | 23,327 |
| Aiken | Aiken City of (SC0210001) | Surface | 22,922 |
| Myrtle Beach | Myrtle Beach City of (SC2610001) | Surface | 22,917 |
| North Myrtle Beach | N Myrtle Beach City of (SC2610011) | Surface | 20,020 |
Source: US EPA, Safe Drinking Water Act data download, 2026 Q2. Community water systems only.
CredentialsChecking a plumber in South Carolina
South Carolina licenses are issued by the South Carolina Residential Builders Commission, Department of Labor, Licensing and Regulation, which publishes a public search you can use before work begins. South Carolina requires a residential plumber license for work over $500, according to the Commission.
CoverageTowns we route in South Carolina
- Aiken
- Anderson
- Beech Island
- Belton
- Blacksburg
- Carlisle
- Central
- Clemson
- Clover
- Conway
- Easley
- Fort Lawn
- Fort Mill
- Gaffney
- Graniteville
- Greenville
- Greer
- Heath Springs
- Hickory Grove
- Jonesville
- Kershaw
- Lancaster
- Liberty
- Loris
- Marion
- Mullins
- Myrtle Beach
- Nichols
- North Augusta
- North Myrtle Beach
- Pageland
- Pawleys Island
- Pendleton
- Pickens
- Rock Hill
- Salem
- Seneca
- Sharon
- Six Mile
- Starr
- Union
- Williamston
- York
If the water is leaving marks, the question is how hard it actually is.That is a measurement, not a guess, and it decides whether equipment is worth buying at all. We connect you with somebody who can test it. You are never charged and we sell nothing. We are a softener site by name; the line is broader.
Call (866) 862-2620