WaterQ

City Water Quality Rankings in North Carolina

305 cities ranked by drinking water quality.

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Popular city water quality comparisons

Burnsville, NC vs Carrboro, NC Compare → Concord, NC vs Hillsborough, NC Compare → Lewiston, NC vs Morganton, NC Compare → Nags Head, NC vs Oak Island, NC Compare →

Trending Cities

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#169
Butner
County, NC
80 B
#170
Carthage
County, NC
80 B
#171
Cary
County, NC
80 B
#172
Denver
County, NC
80 B
#173
King
County, NC
80 B
#174
Oakboro
County, NC
80 B
#175
Sanford
County, NC
80 B
#176
Selma
County, NC
80 B
#177
Angier
County, NC
79 B
#178
Clyde
County, NC
79 B
#179
Goldboro
County, NC
79 B
#180
Columbia
County, NC
78 B
#181
Hays
County, NC
78 B
#182
Hertford
County, NC
78 B
#183
Lenoir
County, NC
78 B
#184
Manteo
County, NC
78 B
#185
New London
County, NC
78 B
#186
Reidsville
County, NC
78 B
#187
Harrells
County, NC
77 B
#188
Maple
County, NC
77 B
#189
Rose Hill
County, NC
77 B
#190
Albemarle
County, NC
76 B
#191
Bryson City
County, NC
76 B
#192
Gibsonville
County, NC
76 B

Frequently Asked Questions

How are city water quality rankings calculated in North 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 North 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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