Public water system record
Mundelein
Serves Mundelein, Lake County, IL · 31,500 people served
Federal records show no health-based violations and 2 monitoring/reporting issues for Mundelein 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
- 2
Key facts
- Mundelein buys its water from Central Lake County Jawa.
- Record on file since 1977, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 46 lead and 32 unknown out of 10,901 service lines.
Check whether Mundelein 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.
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Jan 1, 2024 | Resolved |
Full record since 1977
EPA's records for Mundelein go back to 1977. Before October 19, 2016 they list 3 health-based violations (1 resolved, 2 archived by EPA without a recorded fix) and 17 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 1 |
| 1980s | 1 | 0 |
| 1990s | 1 | 9 |
| 2000s | 1 | 6 |
| 2010 to October 18, 2016 | 0 | 1 |
| 2020s | 0 | 2 |
Most recent health-based violation before October 19, 2016: Total Coliform, began June 2000, Archived.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2000 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 1999 | Archived |
|
Combined Radium (-226 and -228)
Contaminant limit exceeded
|
Dec 18, 1989 | Resolved |
Where the water comes from
Mundelein buys its water from Central Lake County Jawa. EPA also lists 2 wells, all for emergency, seasonal or other part-time use. It also has an emergency connection to Vernon Hills - Lake Co PW. 3 smaller public systems such as schools, businesses or campgrounds buy water from Mundelein.
Buys water from
- Central Lake County Jawa Lake Bluff, IL
Emergency or part-time connections to
- Vernon Hills - Lake Co PW Libertyville, IL
Annual water quality report
Mundelein 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 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
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