PFAS in Iowa water

The EPA tested public water systems across Iowa for 29 PFAS. In 8 of them, at least one came back above a federal limit. Find your system below — you'll get the actual levels, our plain verdict on each compound, and the filter that genuinely removes it. We sell nothing.

Not listed? Your system may not have been sampled, or nothing exceeded a limit — see the national picture.

• Dubuque Water Works 1 over the limit
• Iowa-American Wtr Co-Davenport 1 over the limit
• Muscatine Power & Water 2 over the limit
• Osage Municipal Water Supply 1 over the limit
• Sioux City Water Supply 3 over the limit
• Waterloo Water Works 1 over the limit
• Waverly Water Department 2 over the limit
• West Burlington Muni. Water Supply 1 over the limit

Source: US EPA UCMR 5 occurrence data, 2023–2025. · All states