Public water system record
Exeter-Merritt Water Coop
Serves Exeter, Scott County, IL · 820 people served
Federal records show 3 health-based violations and 1 monitoring/reporting issue for Exeter-Merritt Water Coop 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
- 3
- Resolved
- 3
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 1
Key facts
- Exeter-Merritt Water Coop buys its water from Bluffs and South Jacksonville.
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.116 mg/L, federal limit 0.08 mg/L (1.5 times the limit), 2024.
- Most recent formal enforcement: compliance order (no penalty) by Illinois, November 2024.
- Record on file since 1994, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 328 service lines.
Check whether Exeter-Merritt Water Coop 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 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Oct 1, 2024 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.116 mg/L, federal limit 0.08 mg/L (1.5 times the limit)
|
220 | Jul 1, 2024 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.095 mg/L, federal limit 0.08 mg/L (1.2 times the limit)
|
220 | Apr 1, 2024 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Public Notice
OTHER
|
Mar 19, 2025 | Resolved |
Full record since 1994
EPA's records for Exeter-Merritt Water Coop go back to 1994. Before October 19, 2016 they list 3 health-based violations (2 resolved, 1 archived by EPA without a recorded fix) and 11 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 8 |
| 2010 to October 18, 2016 | 2 | 3 |
| 2020s | 3 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform (acute), began June 2010, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jun 1, 2010 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2010 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 1994 | Archived |
Enforcement actions
Illinois regulators took 1 formal enforcement action against Exeter-Merritt Water Coop in 2024. The most recent was a compliance order (no penalty) in November 2024.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Nov 12, 2024 | Illinois | Compliance order (no penalty) | 3 violations (3 health-based): Total Trihalomethanes (TTHMs) |
What the violations mean
Total Trihalomethanes (TTHMs)
3 incidentsDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Where the water comes from
Exeter-Merritt Water Coop buys its water from Bluffs and South Jacksonville. It lists no wells or intakes of its own.
Buys water from
- Bluffs Bluffs, IL
- South Jacksonville South Jacksonville, IL
Annual water quality report
Exeter-Merritt Water Coop 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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