Public water system record
Mount Auburn
Serves Mount Auburn, Christian County, IL · 480 people served
Federal records show 1 health-based violation and 2 monitoring/reporting issues for Mount Auburn in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 2
Key facts
- Mount Auburn buys its water from United Regional Water Coop.
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.085 mg/L, federal limit 0.08 mg/L (1.1 times the limit), 2023.
- Most recent formal enforcement: compliance order (no penalty) by Illinois, May 2024.
- Record on file since 1977, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 259 service lines.
Check whether Mount Auburn 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.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.085 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Oct 1, 2023 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Apr 1, 2024 | Resolved |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
Full record since 1977
EPA's records for Mount Auburn go back to 1977. Before October 19, 2016 they list 1 health-based violation (1 archived by EPA without a recorded fix) and 6 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1970s | 0 | 1 |
| 1990s | 0 | 1 |
| 2000s | 1 | 2 |
| 2010 to October 18, 2016 | 0 | 2 |
| 2020s | 1 | 2 |
Most recent health-based violation before October 19, 2016: Total Coliform, began August 2001, Archived.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2001 | Archived |
Enforcement actions
Illinois regulators took 1 formal enforcement action against Mount Auburn in 2024. The most recent was a compliance order (no penalty) in May 2024.
| Date | By | Action | Violations covered |
|---|---|---|---|
| May 8, 2024 | Illinois | Compliance order (no penalty) | 1 violation (1 health-based): Total Trihalomethanes (TTHMs) |
What the violations mean
Total Trihalomethanes (TTHMs)
1 incidentDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Where the water comes from
Mount Auburn buys its water from United Regional Water Coop. It lists no wells or intakes of its own.
Buys water from
- United Regional Water Coop Dieterich, IL
Annual water quality report
Mount Auburn 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 Mount Auburn 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