WaterQ

City Water Quality Rankings in South Carolina

158 cities ranked by drinking water quality.

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Popular city water quality comparisons

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#25
Wallace
County, SC
100 A
#26
Williston
County, SC
100 A
#27
Woodruff
County, SC
100 A
#28
Honea Path
County, SC
99 A
#29
Kiawah Island
County, SC
99 A
#30
Moncks Corner
County, SC
99 A
#31
Beech Island
County, SC
98 A
#32
Camden
County, SC
98 A
#33
Charleston
County, SC
98 A
#34
Clover
County, SC
98 A
#35
Donalds
County, SC
98 A
#36
Gloverville
County, SC
98 A
#37
Great Falls
County, SC
98 A
#38
Greer
County, SC
98 A
#39
Kershaw
County, SC
98 A
#40
Latta
County, SC
98 A
#41
Lugoff
County, SC
98 A
#42
North Augusta
County, SC
98 A
#43
Ridgeland
County, SC
98 A
#44
Summerville
County, SC
98 A
#45
Tega Cay
County, SC
98 A
#46
Wagener
County, SC
98 A
#47
Walhalla
County, SC
98 A
#48
Ware Shoals
County, SC
98 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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