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 →

Trending Cities

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#73
Chesterfield
County, SC
95 A
#74
Dillon
County, SC
95 A
#75
Gaffney
County, SC
95 A
#76
Gaston
County, SC
95 A
#77
North Myrtle Beach
County, SC
95 A
#78
West Columbia
County, SC
95 A
#79
Bamberg
County, SC
94 A
#80
Cassatt
County, SC
94 A
#81
Clinton
County, SC
94 A
#82
Florence
County, SC
94 A
#83
Graniteville
County, SC
94 A
#84
Isle Of Palms
County, SC
94 A
#85
Lancaster
County, SC
94 A
#86
Loris
County, SC
94 A
#87
Myrtle Beach
County, SC
94 A
#88
Rock Hill
County, SC
94 A
#89
Scranton
County, SC
94 A
#90
St George
County, SC
94 A
#91
Summerton
County, SC
94 A
#92
Walterboro
County, SC
94 A
#93
Williamston
County, SC
94 A
#94
Allendale
County, SC
93 A
#95
Anderson
County, SC
93 A
#96
Bennettsville
County, SC
93 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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