City Water Quality Rankings
11,696 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#2497
La Puente
County, CA
96 A
#2498 Lafayette
County, TN
96 A
#2499 Lake Orion
County, MI
96 A
#2500 Lake Placid
County, NY
96 A
#2501 Lake Tapps
County, WA
96 A
#2502 Lakeside
County, TX
96 A
#2503 Lakeview
County, MI
96 A
#2504 Lakewood
County, CA
96 A
#2505 Lakewood
County, WA
96 A
#2506 Laplata
County, MO
96 A
#2507 Latham
County, NY
96 A
#2508 Laurens
County, SC
96 A
#2509 Lewes
County, DE
96 A
#2510 Lewiston
County, ME
96 A
#2511 Lincolnton
County, NC
96 A
#2512 Lindsborg
County, KS
96 A
#2513 Lino Lakes
County, MN
96 A
#2514 Little Elm
County, TX
96 A
#2515 Little Falls
County, MN
96 A
#2516 Livingston
County, MT
96 A
#2517 Livingston Manor
County, NY
96 A
#2518 Lobelville
County, TN
96 A
#2519 Logansport
County, IN
96 A
#2520 Long Beach
County, MS
96 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.