City Water Quality Rankings
11,696 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#3793
Mission
County, SD
93 A
#3794 Montebello
County, CA
93 A
#3795 Moulton
County, AL
93 A
#3796 Mount Jackson
County, VA
93 A
#3797 Mt Hope
County, AL
93 A
#3798 Natrona Heights
County, PA
93 A
#3799 New Berlin
County, WI
93 A
#3800 New Creek
County, WV
93 A
#3801 New Glarus
County, WI
93 A
#3802 New Vernon
County, NJ
93 A
#3803 New Waverly
County, TX
93 A
#3804 Northfield
County, MN
93 A
#3805 Oak Creek
County, WI
93 A
#3806 Old Forge
County, NY
93 A
#3807 Opelika
County, AL
93 A
#3808 Otsego
County, MI
93 A
#3809 Ozark
County, MO
93 A
#3810 Pacific City
County, OR
93 A
#3811 Pampa
County, TX
93 A
#3812 Paris
County, TX
93 A
#3813 Park Ridge
County, IL
93 A
#3814 Parsons
County, TN
93 A
#3815 Pell City
County, AL
93 A
#3816 Phillips
County, WI
93 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.