Oak Lawn is a large public water system in EPA region 5 that provides tap water for the 60453 zip codes. It has 5 facilities where the water supply was tested for 68 chemical contaminants that impact tap water quality and human health.
The maximum reported level of 2-propen-1-ol (Allyl Alcohol) was 1.2 µg/L. The maximum reported level of HAA5 (five regulated haloacetic acids) was 17.7 µg/L. The maximum reported level of Manganese was 0.49 µg/L. The maximum reported level of quinoline was 0.039 µg/L. Some (1 of 8 or 13%) of the latest water samples showed levels of quinoline that were at or above unsafe concentration levels. There were 4 contamintants found in the Oak Lawn water supply at levels that were above the minimum reporting level. 1 of the contaminants were above the reference level, which means they may pose a risk to human health.
The latest water samples were taken on December 11th, 2024.