WaterQ

City Water Quality Rankings in Louisiana

264 cities ranked by drinking water quality.

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Popular city water quality comparisons

Archibald, LA vs Livonia, LA Compare → Lockport, LA vs Longville, LA Compare → Prairieville, LA vs Starks, LA Compare → Start, LA vs Abbeville, LA Compare →

Trending Cities

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#49
Hammond
County, LA
93 A
#50
Lake Arthur
County, LA
93 A
#51
Pollock
County, LA
93 A
#52
Port Allen
County, LA
93 A
#53
Vinton
County, LA
93 A
#54
Bethany
County, LA
92 A
#55
Effie
County, LA
92 A
#56
Fort Polk
County, LA
92 A
#57
Mandeville
County, LA
92 A
#58
Mer Rouge
County, LA
92 A
#59
Singer
County, LA
92 A
#60
Tioga
County, LA
92 A
#61
Broussard
County, LA
91 A
#62
Glenmora
County, LA
91 A
#63
Livingston
County, LA
91 A
#64
Vidalia
County, LA
91 A
#65
Convent
County, LA
90 A
#66
Hineston
County, LA
90 A
#67
Hornbeck
County, LA
90 A
#68
Innis
County, LA
90 A
#69
Lena
County, LA
90 A
#70
Natalbany
County, LA
90 A
#71
Pelican
County, LA
90 A
#72
Scott
County, LA
90 A

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.

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