City Water Quality Rankings in Louisiana
260 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#193
Trout
County, LA
48 D
#194 Leonville
County, LA
47 D
#195 Albany
County, LA
46 D
#196 Loreauville
County, LA
46 D
#197 Shreveport
County, LA
44 F
#198 Arcadia
County, LA
43 F
#199 New Llano
County, LA
42 F
#200 Melville
County, LA
40 F
#201 Westlake
County, LA
40 F
#202 Doyline
County, LA
39 F
#203 Jonesboro
County, LA
39 F
#204 Amite
County, LA
38 F
#205 Delcambre
County, LA
38 F
#206 Ville Platte
County, LA
38 F
#207 Bastrop
County, LA
37 F
#208 Cullen
County, LA
37 F
#209 St. Martinville
County, LA
36 F
#210 Kinder
County, LA
35 F
#211 Coushatta
County, LA
33 F
#212 Grambling
County, LA
33 F
#213 Cotton Valley
County, LA
32 F
#214 Logansport
County, LA
32 F
#215 Mount Hermon
County, LA
32 F
#216 Wisner
County, LA
31 F
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.