Water hardness in South Carolina

Typical South Carolina tap water
32mg/L
1.9gpg
Soft

Population-weighted middle value across 82 South Carolina cities in the dataset

People with hard or very hard water
1%
Hardest
Hilton Head Island 98
Softest
Greenville 8

We have hardness numbers for 58 South Carolina cities; 10 of them are county estimates rather than utility figures. Each city page adds the water system's EPA violation record and a softener size for a typical household.

Every South Carolina city on the hardness scale
SoftModerately hardHardVery hard060120180240300360+Charleston: 57 mg/LColumbia: 37 mg/LNorth Charleston: 53 mg/LMount Pleasant: 59 mg/LRock Hill: 33 mg/LGreenville: 8 mg/LSummerville: 26 mg/LGoose Creek: 46 mg/LGreer: 12 mg/LSumter: 23 mg/LFlorence: 21 mg/LMyrtle Beach: 30 mg/LSpartanburg: 16 mg/LFort Mill: 31 mg/LHilton Head Island: 98 mg/LBluffton: 44 mg/LAiken: 32 mg/LMauldin: 8 mg/LAnderson: 12 mg/LConway: 42 mg/LSimpsonville: 8 mg/LEasley: 12 mg/LLexington: 15 mg/LSocastee: 31 mg/LTaylors: 8 mg/LGreenwood: 19 mg/LHanahan: 51 mg/LNorth Myrtle Beach: 30 mg/LSt. Andrews: 37 mg/LWade Hampton: 8 mg/LMoncks Corner: 20 mg/LFive Forks: 8 mg/LWest Columbia: 37 mg/LPort Royal: 43 mg/LBerea: 8 mg/LRed Hill: 42 mg/LHardeeville: 43 mg/LSeven Oaks: 37 mg/LBeaufort: 41 mg/LDentsville: 37 mg/LGantt: 8 mg/LFountain Inn: 8 mg/LTega Cay: 28 mg/LCayce: 37 mg/LJames Island: 58 mg/LGaffney: 21 mg/LParker: 8 mg/LIrmo: 37 mg/LLittle River: 41 mg/LForest Acres: 37 mg/LMurrells Inlet: 31 mg/LWoodfield: 37 mg/LTravelers Rest: 8 mg/LSans Souci: 8 mg/LWelcome: 8 mg/LBlythewood: 37 mg/LLake Murray of Richland: 37 mg/LPiedmont: 8 mg/LCharlestonGreenvilleSoftMod.HardVery hard060120180240300360+Charleston: 57 mg/LColumbia: 37 mg/LNorth Charleston: 53 mg/LMount Pleasant: 59 mg/LRock Hill: 33 mg/LGreenville: 8 mg/LSummerville: 26 mg/LGoose Creek: 46 mg/LGreer: 12 mg/LSumter: 23 mg/LFlorence: 21 mg/LMyrtle Beach: 30 mg/LSpartanburg: 16 mg/LFort Mill: 31 mg/LHilton Head Island: 98 mg/LBluffton: 44 mg/LAiken: 32 mg/LMauldin: 8 mg/LAnderson: 12 mg/LConway: 42 mg/LSimpsonville: 8 mg/LEasley: 12 mg/LLexington: 15 mg/LSocastee: 31 mg/LTaylors: 8 mg/LGreenwood: 19 mg/LHanahan: 51 mg/LNorth Myrtle Beach: 30 mg/LSt. Andrews: 37 mg/LWade Hampton: 8 mg/LMoncks Corner: 20 mg/LFive Forks: 8 mg/LWest Columbia: 37 mg/LPort Royal: 43 mg/LBerea: 8 mg/LRed Hill: 42 mg/LHardeeville: 43 mg/LSeven Oaks: 37 mg/LBeaufort: 41 mg/LDentsville: 37 mg/LGantt: 8 mg/LFountain Inn: 8 mg/LTega Cay: 28 mg/LCayce: 37 mg/LJames Island: 58 mg/LGaffney: 21 mg/LParker: 8 mg/LIrmo: 37 mg/LLittle River: 41 mg/LForest Acres: 37 mg/LMurrells Inlet: 31 mg/LWoodfield: 37 mg/LTravelers Rest: 8 mg/LSans Souci: 8 mg/LWelcome: 8 mg/LBlythewood: 37 mg/LLake Murray of Richland: 37 mg/LPiedmont: 8 mg/LCharleston

Dot size follows population. Tap a dot for the city page.

57Soft
1Moderately hard
0Hard
0Very hard

Hardest water in South Carolina

  1. Hilton Head Island98
  2. Mount Pleasant59
  3. James Island58
  4. Charleston57
  5. North Charleston53
  6. Hanahan51
  7. Goose Creek46
  8. Bluffton44

Softest water in South Carolina

  1. Piedmont8
  2. Welcome8
  3. Sans Souci8
  4. Travelers Rest8
  5. Parker8
  6. Fountain Inn8
  7. Gantt8
  8. Berea8

All cities in South Carolina

Citymg/LgpgClassDataEPA health violations
Charleston573.3SoftUtility report2
Columbia372.2SoftUtility report2
North Charleston533.1SoftUtility report0
Mount Pleasant593.5SoftUtility report0
Rock Hill331.9SoftUtility report0
Greenville80.5SoftUtility report0
Summerville261.5SoftUtility report0
Goose Creek462.7SoftUtility report0
Greer120.7SoftCounty estimate0
Sumter231.4SoftCounty estimate0
Florence211.2SoftCounty estimate2
Myrtle Beach301.8SoftCounty estimate0
Spartanburg160.9SoftUtility report2
Fort Mill311.8SoftUtility report0
Hilton Head Island985.7Moderately hardUtility report0
Bluffton442.5SoftUtility report0
Aiken321.9SoftUtility report7
Mauldin80.5SoftUtility report0
Anderson120.7SoftCounty estimate1
Conway422.5SoftUtility report0
Simpsonville80.5SoftUtility report0
Easley120.7SoftCounty estimate0
Lexington150.9SoftCounty estimate1
Socastee311.8SoftUtility report0
Taylors80.5SoftUtility report0
Greenwood191.1SoftCounty estimate0
Hanahan513.0SoftUtility report0
North Myrtle Beach301.8SoftCounty estimate0
St. Andrews372.2SoftUtility report2
Wade Hampton80.5SoftUtility report0
Moncks Corner201.2SoftCounty estimate0
Five Forks80.5SoftUtility report0
West Columbia372.2SoftUtility report1
Port Royal432.5SoftUtility report1
Berea80.5SoftUtility report0
Red Hill422.5SoftUtility report0
Hardeeville432.5SoftUtility report1
Seven Oaks372.2SoftUtility report2
Beaufort412.4SoftUtility report0
Dentsville372.2SoftUtility report2
Gantt80.5SoftUtility report0
Fountain Inn80.5SoftUtility report0
Tega Cay281.6SoftUtility report0
Cayce372.2SoftUtility report0
James Island583.4SoftUtility report2
Gaffney211.2SoftUtility report0
Parker80.5SoftUtility report0
Irmo372.2SoftUtility report2
Little River412.4SoftUtility report0
Forest Acres372.2SoftUtility report2
Murrells Inlet311.8SoftUtility report0
Woodfield372.2SoftUtility report2
Travelers Rest80.5SoftUtility report0
Sans Souci80.5SoftUtility report0
Welcome80.5SoftUtility report0
Blythewood372.2SoftUtility report2
Lake Murray of Richland372.2SoftUtility report2
Piedmont80.5SoftUtility report0

Questions

Is South Carolina water hard?

The typical South Carolina resident gets about 32 mg/L (1.9 gpg), which is soft. About 1% of people in the cities we track have hard or very hard water.

Which city in South Carolina has the hardest water?

Among 58 cities with pages here, Hilton Head Island is highest at 98 mg/L.

Which city in South Carolina has the softest water?

Greenville, at 8 mg/L.

Other states

Hardness data: TapWaterData US Water Hardness, CC BY 4.0. Population: US Census Bureau. Violations: EPA ECHO. How we use them.