Public water system record
Mid-Mark Water Commission
On record as serving Cook County, IL · Serves 25 people
Federal records show no health-based violations and no monitoring or reporting issues for Mid-Mark Water Commission in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- Mid-Mark Water Commission buys its water from Chicago.
- Lead pipe inventory: 0 lead and 0 unknown out of 2 service lines.
Check whether Mid-Mark Water Commission serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016, and no monitoring or reporting violations either.
Where the water comes from
Mid-Mark Water Commission buys its water from Chicago. It lists no wells or intakes of its own. 2 other community water systems buy water from Mid-Mark Water Commission.
Buys water from
- Chicago Chicago, IL
Community systems that buy water from it
- Markham Markham, IL
- Midlothian Midlothian, IL
Annual water quality report
Mid-Mark Water Commission must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Mid-Mark Water Commission for a copy.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Illinois.
Certified drinking water labs by state EPA guidance for private wells