City of South Lyon is a large public water system in EPA region 5 that provides tap water for the 48178 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 11.7 µg/L. The maximum reported level of Manganese was 0.69 µg/L. There were 2 contamintants found in the City of South Lyon water supply at levels that were above the minimum reporting level.
The latest water samples were taken on February 24th, 2025.