City Water Quality Rankings
11,696 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#4369
Upton
County, WY
92 A
#4370 Urbana
County, IA
92 A
#4371 Urich
County, MO
92 A
#4372 Valier
County, IL
92 A
#4373 Valley
County, NE
92 A
#4374 Vandalia
County, MO
92 A
#4375 Vandalia
County, OH
92 A
#4376 Vassar
County, MI
92 A
#4377 Verhalen
County, TX
92 A
#4378 Vienna
County, GA
92 A
#4379 Vienna
County, VA
92 A
#4380 Village Mills
County, TX
92 A
#4381 Villas
County, NJ
92 A
#4382 Viroqua
County, WI
92 A
#4383 Wake Village
County, TX
92 A
#4384 Wakefield
County, NE
92 A
#4385 Walcott
County, AR
92 A
#4386 Warwick
County, NY
92 A
#4387 Watkins Glen
County, NY
92 A
#4388 Waupun
County, WI
92 A
#4389 Waverly
County, IL
92 A
#4390 Waverly
County, NY
92 A
#4391 Wayne
County, NJ
92 A
#4392 Webb
County, AL
92 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.