Local water quality
Water quality in Sioux City, Iowa
2 public water systems · PFAS detected · EPA data
The bottom line
EPA records for the water serving Sioux City, Iowa show Copper, Total Trihalomethanes, Lead and more. A filter independently certified to reduce those exact contaminants is the most direct fix.
What's in Sioux City's water
Contaminants EPA has recorded across Sioux City's water systems, and how many certified filters remove each.
Water systems serving Sioux City
Open a system for its full report — measured levels vs. federal limits, PFAS, and the certified filters that remove each contaminant.
Filter your Sioux City water
Match a certified filter to what's actually in your water — a filter certified for lead may do nothing for PFAS or fluoride.