WaterQ

City Water Quality Rankings in Louisiana

264 cities ranked by drinking water quality.

Popular city water quality comparisons

Trending Cities

#121
St. Francisville
County, LA
81 B
#122
Barksdale Afb
County, LA
80 B
#123
Centerville
County, LA
80 B
#124
Leonville
County, LA
80 B
#125
Monterey
County, LA
80 B
#126
New Iberia
County, LA
80 B
#127
Springhill
County, LA
80 B
#128
Turkey Creek
County, LA
80 B
#129
Blanchard
County, LA
79 B
#130
Columbia
County, LA
79 B
#131
Donaldsonville
County, LA
79 B
#132
Chalmette
County, LA
78 B
#133
Eunice
County, LA
78 B
#134
Jeanerette
County, LA
78 B
#135
Keithville
County, LA
78 B
#136
Morgan City
County, LA
77 B
#137
Pioneer
County, LA
77 B
#138
Abita Springs
County, LA
76 B
#139
Jackson
County, LA
76 B
#140
Morse
County, LA
76 B
#141
Natchitoches
County, LA
76 B
#142
Youngsville
County, LA
74 C
#143
Arnaudville
County, LA
73 C
#144
Clinton
County, LA
73 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.

Explore More Water Quality Data