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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#25
Summerville
County, SC
99 A
#26
Camden
County, SC
98 A
#27
Charleston
County, SC
98 A
#28
Clover
County, SC
98 A
#29
Gloverville
County, SC
98 A
#30
Greer
County, SC
98 A
#31
Kershaw
County, SC
98 A
#32
Lake City
County, SC
98 A
#33
Latta
County, SC
98 A
#34
Lugoff
County, SC
98 A
#35
Ridgeland
County, SC
98 A
#36
Summerton
County, SC
98 A
#37
Wagener
County, SC
98 A
#38
Edisto Island
County, SC
97 A
#39
Honea Path
County, SC
97 A
#40
Jackson
County, SC
97 A
#41
Orangeburg
County, SC
97 A
#42
Pendleton
County, SC
97 A
#43
Sandy Springs
County, SC
97 A
#44
Bishopville
County, SC
96 A
#45
Blacksburg
County, SC
96 A
#46
Eastover
County, SC
96 A
#47
Folly Beach
County, SC
96 A
#48
Fripp Island
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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