City Water Quality Rankings
11,696 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#6721
Montross
County, VA
83 B
#6722 Myton
County, UT
83 B
#6723 New Albany
County, MS
83 B
#6724 New Boston
County, TX
83 B
#6725 New Paris
County, OH
83 B
#6726 New Rochelle
County, NY
83 B
#6727 Newberry
County, FL
83 B
#6728 North Manchester
County, IN
83 B
#6729 Oakville
County, WA
83 B
#6730 Orangefield
County, TX
83 B
#6731 Ovid
County, MI
83 B
#6732 Oxford
County, PA
83 B
#6733 Paicines
County, CA
83 B
#6734 Palos Park
County, IL
83 B
#6735 Paulden
County, AZ
83 B
#6736 Perry
County, MO
83 B
#6737 Picayune
County, MS
83 B
#6738 Pinola
County, MS
83 B
#6739 Port Charlotte
County, FL
83 B
#6740 Portales
County, NM
83 B
#6741 Rawlins
County, WY
83 B
#6742 Raytown
County, MO
83 B
#6743 Rock Rapids
County, IA
83 B
#6744 Rockport
County, TX
83 B
Frequently Asked Questions
How are city water quality rankings calculated?
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 US cities directly?
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.