City Water Quality Rankings
11,696 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#3433
Mount Pleasant
County, TX
94 A
#3434 Mount Vernon
County, WA
94 A
#3435 Mountain Home Afb
County, ID
94 A
#3436 Moyie Springs
County, ID
94 A
#3437 Mullica Twp
County, NJ
94 A
#3438 Muscoda
County, WI
94 A
#3439 Myrtle Beach
County, SC
94 A
#3440 Nahunta
County, GA
94 A
#3441 Napier Field
County, AL
94 A
#3442 Napoleon
County, IN
94 A
#3443 Nassau Bay
County, TX
94 A
#3444 Neenah
County, WI
94 A
#3445 Neligh
County, NE
94 A
#3446 Neskowin
County, OR
94 A
#3447 Nevada
County, TX
94 A
#3448 New Athens
County, IL
94 A
#3449 New Baden
County, TX
94 A
#3450 New Hope
County, AL
94 A
#3451 New Hope
County, MN
94 A
#3452 New Market
County, TN
94 A
#3453 New Richmond
County, OH
94 A
#3454 New Ulm
County, MN
94 A
#3455 Newark
County, DE
94 A
#3456 Newhall
County, CA
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.