City Water Quality Rankings in Louisiana
260 cities ranked by drinking water quality.
Popular city water quality comparisons
Trending Cities
#217
Grayson
County, LA
28 F
#218 Ferriday
County, LA
24 F
#219 Provencal
County, LA
24 F
#220 Gilbert
County, LA
23 F
#221 Colfax
County, LA
22 F
#222 Many
County, LA
19 F
#223 Choudrant
County, LA
14 F
#224 Farmerville
County, LA
13 F
#225 Parks
County, LA
13 F
#226 Bernice
County, LA
11 F
#227 St Joseph
County, LA
10 F
#228 Mansfield
County, LA
6 F
#229 Lake Providence
County, LA
5 F
#230 Alanta
County, LA
0 F
#231 Belmont
County, LA
0 F
#232 Bogalusa
County, LA
0 F
#233 Cameron
County, LA
0 F
#234 Campti
County, LA
0 F
#235 Castor
County, LA
0 F
#236 Charenton
County, LA
0 F
#237 Chatham
County, LA
0 F
#238 Converse
County, LA
0 F
#239 Dubach
County, LA
0 F
#240 Egan
County, LA
0 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.