Missouri Tap Water Quality: Is It Safe to Drink?
2026 EPA water quality data for 0 community water systems serving residents in Missouri. Find your water system to see violations, PFAS results, lead testing, and a safety grade — free.
Missouri draws drinking water from both the Missouri and Mississippi River systems and from Ozark karst aquifers. Naturally occurring lead and iron are common in groundwater across the mining belt. Atrazine and other agricultural chemicals periodically appear in surface water intakes during spring planting season.
Find Your Water System in Missouri
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 Missouri