Oregon Tap Water Quality: Is It Safe to Drink?
2026 EPA water quality data for 0 community water systems serving residents in Oregon. Find your water system to see violations, PFAS results, lead testing, and a safety grade — free.
Oregon sources most of its drinking water from protected surface watersheds and the Columbia River basin. Portland's Bull Run watershed is one of only a handful of major U.S. systems that does not filter its source water, relying instead on UV disinfection. Radon and naturally occurring metals are occasional concerns in groundwater-supplied communities.
Find Your Water System in Oregon
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 Oregon