Oklahoma Tap Water Quality: Is It Safe to Drink?
2026 EPA water quality data for 0 community water systems serving residents in Oklahoma. Find your water system to see violations, PFAS results, lead testing, and a safety grade — free.
Oklahoma draws drinking water from surface reservoirs and alluvial aquifers across the Arkansas and Red River basins. Naturally occurring fluoride and barium are found in some groundwater sources. Disinfection byproducts are the most frequently cited violation across the state's many small rural systems.
Find Your Water System in Oklahoma
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 Oklahoma