City Water Quality Rankings in South Carolina
158 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#121
Pawleys Island
County, SC
88 B
#122 Six Mile
County, SC
88 B
#123 Iva
County, SC
86 B
#124 Lincolnville
County, SC
86 B
#125 Union
County, SC
86 B
#126 Marion
County, SC
84 B
#127 Pageland
County, SC
84 B
#128 Pickens
County, SC
84 B
#129 Marietta
County, SC
83 B
#130 Andrews
County, SC
81 B
#131 Blackville
County, SC
81 B
#132 New Ellenton
County, SC
81 B
#133 Salem
County, SC
81 B
#134 Fort Jackson
County, SC
80 B
#135 Liberty
County, SC
80 B
#136 Dalzell
County, SC
78 B
#137 Mccoll
County, SC
78 B
#138 Okatie
County, SC
78 B
#139 Abbeville
County, SC
74 C
#140 Gilbert
County, SC
74 C
#141 Monetta
County, SC
74 C
#142 York
County, SC
74 C
#143 Aiken
County, SC
73 C
#144 Fairfax
County, SC
73 C
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.