City Water Quality Rankings
11,696 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#3361
Lake Como
County, NJ
94 A
#3362 Lake Panasoffkee
County, FL
94 A
#3363 Lakehills
County, TX
94 A
#3364 Lakewood
County, CO
94 A
#3365 Lamar
County, AR
94 A
#3366 Lancaster
County, SC
94 A
#3367 Lancaster
County, TX
94 A
#3368 Landsville
County, NJ
94 A
#3369 Langdon
County, ND
94 A
#3370 Laurel Hill
County, FL
94 A
#3371 Lavaca
County, AR
94 A
#3372 Lawrenceburg
County, IN
94 A
#3373 Lawton
County, MI
94 A
#3374 Leipsic
County, OH
94 A
#3375 Leonard
County, TX
94 A
#3376 Leroy
County, AL
94 A
#3377 Lexington
County, NE
94 A
#3378 Lincoln
County, KS
94 A
#3379 Lincoln
County, ME
94 A
#3380 Lincoln
County, MO
94 A
#3381 Lincoln Park
County, MI
94 A
#3382 Linden
County, AL
94 A
#3383 Littlefield
County, AZ
94 A
#3384 Loris
County, SC
94 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.