WaterQ

City Water Quality Rankings in South Carolina

158 cities ranked by drinking water quality.

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Popular city water quality comparisons

Barnwell, SC vs Bethune, SC Compare → Branchville, SC vs Chapin, SC Compare → Coward, SC vs Easley, SC Compare → Eastover, SC vs Edgefield, SC Compare →

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#49
Clemson
County, SC
97 A
#50
Edisto Island
County, SC
97 A
#51
Elgin
County, SC
97 A
#52
Orangeburg
County, SC
97 A
#53
Sandy Springs
County, SC
97 A
#54
Sumter
County, SC
97 A
#55
Bishopville
County, SC
96 A
#56
Blacksburg
County, SC
96 A
#57
Bowman
County, SC
96 A
#58
Central
County, SC
96 A
#59
Folly Beach
County, SC
96 A
#60
Fripp Island
County, SC
96 A
#61
Georgetown
County, SC
96 A
#62
Goose Creek
County, SC
96 A
#63
Greenville
County, SC
96 A
#64
Hampton
County, SC
96 A
#65
Hilton Head Island
County, SC
96 A
#66
Laurens
County, SC
96 A
#67
Pamplico
County, SC
96 A
#68
Santee
County, SC
96 A
#69
Shaw Afb
County, SC
96 A
#70
Spartanburg
County, SC
96 A
#71
Sullivans Island
County, SC
96 A
#72
Winnsboro
County, SC
96 A

Frequently Asked Questions

How are city water quality rankings calculated in South Carolina?

WaterQ city rankings are based on EPA SDWIS data across local public water systems, including contaminant detections, compliance violations, and recency-weighted score signals.

Can I compare two cities in South Carolina?

Yes. Use the city comparison links on this page or open the Compare tool to evaluate two cities side by side on score, grade, and water system coverage.

How often does WaterQ refresh city data?

City-level metrics refresh when new EPA data is processed. Check city pages for latest score and violation context.

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