Public water system record
Mount Vernon
Serves an area of Jefferson County, IL that includes Mount Vernon · 15,793 people served
Federal records show no health-based violations and 5 monitoring/reporting issues for Mount Vernon 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
- 5
Key facts
- Mount Vernon buys its water from Rend Lake Inter-City Water System.
- Record on file since 1990, with 2 health-based violations before October 19, 2016.
- Lead pipe inventory: 46 lead and 31 unknown out of 7,090 service lines.
Check whether Mount Vernon 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 |
|---|---|---|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2024 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Apr 1, 2023 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Dec 30, 2020 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2017 | Resolved |
Full record since 1990
EPA's records for Mount Vernon go back to 1990. Before October 19, 2016 they list 2 health-based violations (1 resolved, 1 archived by EPA without a recorded fix) and 3 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 0 |
| 2000s | 1 | 3 |
| October 19, 2016 to 2019 | 0 | 1 |
| 2020s | 0 | 4 |
Most recent health-based violation before October 19, 2016: Total Coliform, began June 2000, Archived.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2000 | Archived |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
|
May 23, 1990 | Resolved |
Where the water comes from
Mount Vernon buys its water from Rend Lake Inter-City Water System. It lists no wells or intakes of its own. 7 other community water systems and 2 smaller public systems such as schools, businesses or campgrounds buy water from Mount Vernon.
Buys water from
- Rend Lake Inter-City Water System Benton, IL
Community systems that buy water from it
- Belle Rive Belle Rive, IL
- Bluford Bluford, IL
- Dix-Kell Water Commssion Dix, IL
- Northeast Mount Vernon Water Company Mt Vernon, IL
- Oak Grove Village Farmington Hills, MI
- Waltonville Mt. Vernon, IL
- Woodlawn Woodlawn, IL
Annual water quality report
Mount Vernon 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