WaterQ

City Water Quality Rankings in South Carolina

157 cities ranked by drinking water quality.

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Popular city water quality comparisons

Barnwell, SC vs Branchville, SC Compare → Chapin, SC vs Coward, SC Compare → Easley, SC vs Edgefield, SC Compare → Greenwood, SC vs Hartsville, SC Compare →

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#49
Goose Creek
County, SC
96 A
#50
Hampton
County, SC
96 A
#51
Hilton Head Island
County, SC
96 A
#52
Laurens
County, SC
96 A
#53
Pamplico
County, SC
96 A
#54
Shaw Afb
County, SC
96 A
#55
Spartanburg
County, SC
96 A
#56
Sullivans Island
County, SC
96 A
#57
Winnsboro
County, SC
96 A
#58
Chesterfield
County, SC
95 A
#59
Clemson
County, SC
95 A
#60
Dillon
County, SC
95 A
#61
Gaffney
County, SC
95 A
#62
Gaston
County, SC
95 A
#63
Lexington
County, SC
95 A
#64
North Augusta
County, SC
95 A
#65
Tega Cay
County, SC
95 A
#66
Ware Shoals
County, SC
95 A
#67
Bamberg
County, SC
94 A
#68
Cassatt
County, SC
94 A
#69
Clinton
County, SC
94 A
#70
Florence
County, SC
94 A
#71
Georgetown
County, SC
94 A
#72
Graniteville
County, SC
94 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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