City Water Quality Rankings
11,696 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#8929
Inez
County, KY
68 C
#8930 Jensen
County, UT
68 C
#8931 Kenna
County, WV
68 C
#8932 Kimball
County, MI
68 C
#8933 Kingman
County, AZ
68 C
#8934 Lacy Lakeview
County, TX
68 C
#8935 Lake Linden
County, MI
68 C
#8936 Lantana
County, FL
68 C
#8937 Littleton
County, NC
68 C
#8938 Lodi
County, WI
68 C
#8939 Long Grove
County, IL
68 C
#8940 Manchester By The Sea
County, MA
68 C
#8941 Mascotte
County, FL
68 C
#8942 Merkel
County, TX
68 C
#8943 Mesquite
County, NV
68 C
#8944 Minneola
County, FL
68 C
#8945 Monroe
County, NC
68 C
#8946 Monte Vista
County, CO
68 C
#8947 Morton Grove
County, IL
68 C
#8948 Mountain Grove
County, MO
68 C
#8949 Nellis Afb
County, NV
68 C
#8950 Nesbit
County, MS
68 C
#8951 Oak Brook
County, IL
68 C
#8952 Oak Grove
County, MO
68 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.