City Water Quality Rankings
11,696 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#8377
Fairchance
County, PA
73 C
#8378 Fairfax
County, SC
73 C
#8379 Farmer City
County, IL
73 C
#8380 Fort Walton Beach
County, FL
73 C
#8381 Higginsville
County, MO
73 C
#8382 Hillsboro
County, TX
73 C
#8383 Holbrook
County, MA
73 C
#8384 Houtzdale
County, PA
73 C
#8385 Hudson
County, OH
73 C
#8386 Huntingburg
County, IN
73 C
#8387 Industry
County, PA
73 C
#8388 Johnstown
County, CO
73 C
#8389 Jonesboro
County, IN
73 C
#8390 Lagrangeville
County, NY
73 C
#8391 Leetsdale
County, PA
73 C
#8392 Lincoln
County, MA
73 C
#8393 Martinsburg
County, PA
73 C
#8394 Maynardville
County, TN
73 C
#8395 Mcgehee
County, AR
73 C
#8396 Mcincr, Mcb Quantico
County, VA
73 C
#8397 Meridian
County, TX
73 C
#8398 Milford
County, MA
73 C
#8399 New Caney
County, TX
73 C
#8400 Newberg
County, OR
73 C
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.