Water Quality: Oak Lawn, IL
1 water system • 58,362 people served
Some ConcernsWater Quality Summary
Oak Lawn is served by 1 public water system with a combined service population of 58,362 people, and has 11 EPA Safe Drinking Water Act violations on record. Critically, 2 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Oak Lawn's violation count is 62% below the national average for Illinois. Contaminants associated with violations include Disinfection Byproducts.
Contaminants Found
Broad category of chemicals formed during disinfection, associated with increased cancer risk and adverse reproductive effects.
Common source: Reaction of disinfectants (chlorine, ozone, chloramines) with organic matter
Water Systems Serving Oak Lawn
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| OAK LAWN | IL0312220 | Surface Water | 58,362 | 11 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in Illinois
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.