City Water Quality Rankings in Louisiana
264 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#145
Fordoche
County, LA
73 C
#146 Kinder
County, LA
73 C
#147 West Monroe
County, LA
73 C
#148 Carencro
County, LA
72 C
#149 Maurice
County, LA
72 C
#150 Hessmer
County, LA
71 C
#151 Benton
County, LA
70 C
#152 Ponchatoula
County, LA
70 C
#153 Crowville
County, LA
69 C
#154 Elton
County, LA
69 C
#155 Lutcher
County, LA
69 C
#156 Oberlin
County, LA
69 C
#157 Quitman
County, LA
68 C
#158 Kentwood
County, LA
67 C
#159 Simmesport
County, LA
67 C
#160 Cottonport
County, LA
66 C
#161 New Orleans
County, LA
66 C
#162 Thibodaux
County, LA
66 C
#163 Slidell
County, LA
65 C
#164 Haynesville
County, LA
63 C
#165 Sicily Island
County, LA
63 C
#166 Leesville
County, LA
62 C
#167 Opelousas
County, LA
62 C
#168 Cecilia
County, LA
60 C
Frequently Asked Questions
How are city water quality rankings calculated in Louisiana?
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 cities in Louisiana?
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.