Louisiana Tap Water Quality
Explore tap water quality data for counties across Louisiana. View water system reports, track violations, monitor drinking water safety, and check fluoridation status in your community.
Total Counties
43
Communities with serious violators
Total Population
436,152
Residents served by systems with serious violations
Water Systems
808
Total systems (77 with violations)
Serious Violators
77
9.5% of systems
Counties
43
With serious violators
Population
436,152
Affected by violations
Water Systems
808
Total (77 with violations)
Violators
77
9.5% of systems
Searching by your address yields the most accurate results. Searching by town or water system may not show all systems due to how the EPA categorizes data. Some towns may be listed under counties, and water system boundaries don't always align with town boundaries.
No water systems found matching your search criteria.