City Water Quality Rankings
11,696 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#1489
Eureka
County, MT
98 A
#1490 Everett
County, PA
98 A
#1491 Everett
County, WA
98 A
#1492 Evergreen
County, LA
98 A
#1493 Everman
County, TX
98 A
#1494 Everson
County, WA
98 A
#1495 Exeter
County, MO
98 A
#1496 Fairton
County, NJ
98 A
#1497 Falls City
County, WA
98 A
#1498 Farmers Branch
County, TX
98 A
#1499 Farmville
County, VA
98 A
#1500 Federal Way
County, WA
98 A
#1501 Fergus Falls
County, MN
98 A
#1502 Ferrysburg
County, MI
98 A
#1503 Fife
County, WA
98 A
#1504 Findlay
County, OH
98 A
#1505 Fishkill
County, NY
98 A
#1506 Flintstone
County, GA
98 A
#1507 Forest Hill
County, TX
98 A
#1508 Fort Deposit
County, AL
98 A
#1509 Fort Gratiot
County, MI
98 A
#1510 Fort Myers Beach
County, FL
98 A
#1511 Fortuna
County, CA
98 A
#1512 Fowler
County, IN
98 A
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.