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Local water quality

Water quality in Thompson, Iowa

1 public water system · EPA data

The bottom line

EPA records for the water serving Thompson, Iowa show Nitrite, Copper, Lead. A filter independently certified to reduce those exact contaminants is the most direct fix.

What's in Thompson's water

Contaminants EPA has recorded across Thompson's water systems, and how many certified filters remove each.

Nitrite 77 certified filters → Copper 192 certified filters → Lead 757 certified filters →

The water system serving Thompson

Open a system for its full report — measured levels vs. federal limits, PFAS, and the certified filters that remove each contaminant.

CRYSTAL LAKE WATER SUPPLY
255 people served
3 contaminants · report →

Filter your Thompson water

Match a certified filter to what's actually in your water — a filter certified for lead may do nothing for PFAS or fluoride.

Get my exact water report Which filter is right for me?