Water Quality: Markham, IL
2 water systems • 12,525 people served
No Health ViolationsWater Quality Summary
Markham is served by 2 public water systems with a combined service population of 12,525 people, and has 20 EPA Safe Drinking Water Act violations on record. None of those violations are health-based — the records reflect missed monitoring or reporting deadlines rather than a contaminant exceeding safe levels. Markham's violation count is 31% below the national average for Illinois.
Water Systems Serving Markham
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| MARKHAM | IL0311770 | Surface Water | 12,500 | 20 |
| MID-MARK WATER COMMISSION | IL0310230 | Surface Water | 25 | 0 |
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.