Louisiana Tap Water Quality: Is It Safe to Drink?
2026 EPA water quality data for 0 community water systems serving residents in Louisiana. Find your water system to see violations, PFAS results, lead testing, and a safety grade — free.
Louisiana sources drinking water from both the Mississippi River alluvial aquifer and surface water intakes. Disinfection byproduct formation is a particular challenge due to high organic matter in warm southern surface waters. Saltwater intrusion threatens aquifers in coastal parishes as land subsidence continues.
Find Your Water System in Louisiana
Enter your ZIP code to see EPA violations, lead test results, PFAS data, and a safety grade for your water.
📊 Data from EPA’s SDWIS
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🔄 Updated quarterly
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🏛️ 0+ water systems in Louisiana