Chatham is a large public water system in EPA region 5 that provides tap water for the 62536, 62629 zip codes. It has 4 facilities where the water supply was tested for 65 chemical contaminants that impact tap water quality and human health.
The maximum reported level of HAA5 (five regulated haloacetic acids) was 28.88 µg/L. The maximum reported level of Manganese was 12.4 µg/L. There were 2 contamintants found in the Chatham water supply at levels that were above the minimum reporting level.
The latest water samples were taken on April 14th, 2025.