City Water Quality Rankings in South Carolina
158 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#145
Jonesville
County, SC
72 C
#146 Columbia
County, SC
71 C
#147 Estill
County, SC
71 C
#148 Hemingway
County, SC
70 C
#149 Jenkinsville
County, SC
62 C
#150 Carlisle
County, SC
54 D
#151 Kingstree
County, SC
54 D
#152 Chesnee
County, SC
51 D
#153 Saluda
County, SC
51 D
#154 Hilton Head
County, SC
50 D
#155 Mccormick
County, SC
48 D
#156 Calhoun Falls
County, SC
35 F
#157 Denmark
County, SC
27 F
#158 Cheraw
County, SC
0 F
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.