City Water Quality Rankings
11,696 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#1753
Park Rapids
County, MN
98 A
#1754 Park River
County, ND
98 A
#1755 Parkersburg
County, IA
98 A
#1756 Pawnee City
County, NE
98 A
#1757 Payette
County, ID
98 A
#1758 Pekin
County, IL
98 A
#1759 Pembroke
County, NH
98 A
#1760 Perry Point
County, MD
98 A
#1761 Petaluma
County, CA
98 A
#1762 Peterborough
County, NH
98 A
#1763 Petersburg
County, TN
98 A
#1764 Pharr
County, TX
98 A
#1765 Pierce
County, CO
98 A
#1766 Pigeon
County, MI
98 A
#1767 Pilot Point
County, TX
98 A
#1768 Pine Beach
County, NJ
98 A
#1769 Pine Bluff
County, AR
98 A
#1770 Pinedale
County, CA
98 A
#1771 Pioneer
County, OH
98 A
#1772 Piqua
County, KS
98 A
#1773 Piqua
County, OH
98 A
#1774 Pittsburg
County, CA
98 A
#1775 Pixley
County, CA
98 A
#1776 Platteville
County, WI
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.