Oak Lawn is a large public water system in EPA region 05 that provides tap water for the 60453 zip codes. It has 3 facilities where the water supply was tested for 23 chemical contaminants that impact tap water quality and human health.
The maximum reported level of HAA5 (five regulated haloacetic acids) was 16.89 µg/L. There were 1 contamintants found in the Oak Lawn water supply at levels that were above the minimum reporting level. 0 of the contaminants were above the reference level, which means they may pose a risk to human health.
The latest water samples were taken between July 7th, 2020 and August 18th, 2020.