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