City Water Quality Rankings
11,696 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#6049
Osseo
County, WI
86 B
#6050 Otwell
County, IN
86 B
#6051 Oxford
County, MI
86 B
#6052 Oxford
County, WI
86 B
#6053 Pearsall
County, TX
86 B
#6054 Pendleton
County, OR
86 B
#6055 Percy
County, IL
86 B
#6056 Perkasie
County, PA
86 B
#6057 Pevely
County, MO
86 B
#6058 Piedmont
County, SD
86 B
#6059 Pinecrest
County, CA
86 B
#6060 Plaucheville
County, LA
86 B
#6061 Pleasantville
County, IA
86 B
#6062 Pleasantville
County, NY
86 B
#6063 Portersville
County, PA
86 B
#6064 Poultney
County, VT
86 B
#6065 Ravena
County, NY
86 B
#6066 Reading
County, OH
86 B
#6067 Redlands
County, CA
86 B
#6068 Revere
County, MA
86 B
#6069 Rexburg
County, ID
86 B
#6070 Riceville
County, TN
86 B
#6071 Rickreall
County, OR
86 B
#6072 Ridgway
County, PA
86 B
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.