Compliance record
Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.
| Violation | Type | Status | Period |
|---|---|---|---|
| TT | Health-based | Resolved | 2025-12-01 → 2025-12-31 |
| TT | Health-based | Resolved | 2025-12-01 → 2025-12-31 |
| TT | Health-based | Resolved | 2025-12-01 → 2025-12-31 |
| TT | Health-based | Resolved | 2025-12-01 → 2025-12-31 |
| TT | Health-based | Resolved | 2025-11-01 → 2025-11-30 |
| TT | Health-based | Resolved | 2025-11-01 → 2025-11-30 |
| TT | Health-based | Resolved | 2025-11-01 → 2025-11-30 |
| TT | Health-based | Resolved | 2025-11-01 → 2025-11-30 |
| TT | Health-based | Resolved | 2025-10-01 → 2025-10-31 |
| TT | Health-based | Resolved | 2025-10-01 → 2025-10-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 1000 µg/L 77% of the EPA limit 1300 µg/L | 74/80 | SYR4 | 2014–2019 |
| Chloroform | 78 µg/L No EPA limit set | 53/53 | SYR4 | 2012–2019 |
| TTHM | 83 µg/L 104% of the EPA limit, in the worst sample — 80 µg/L | 53/53 | SYR4 | 2012–2019 |
| Bromodichloromethane | 14 µg/L No EPA limit set | 51/53 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 136.6 µg/L 228% of the EPA limit, in the worst sample — 60 µg/L | 45/53 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 87.1 µg/L No EPA limit set | 43/53 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 49.5 µg/L No EPA limit set | 37/53 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 20/20 | LCR | 2025 |
| Dibromochloromethane | 4.71 µg/L No EPA limit set | 19/53 | SYR4 | 2012–2019 |
| Lead | 43 µg/L 287% of the EPA limit, in the worst sample — 15 µg/L | 11/80 | SYR4 | 2014–2019 |
4 contaminants tested, none detected
Utility contact
Frequently asked questions about Central Macoupin County Rwd
Is Central Macoupin County Rwd tap water safe to drink?
EPA monitoring detected 10 contaminants in Central Macoupin County Rwd's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.
What contaminants were detected in Central Macoupin County Rwd's water?
EPA monitoring detected Copper, Chloroform, TTHM, Bromodichloromethane, Total Haloacetic Acids (HAA5), and others. The full list with the level and data source for each is above.
How many people does Central Macoupin County Rwd serve?
Central Macoupin County Rwd reports serving 1,883 people in Illinois, per its EPA record.
Has Central Macoupin County Rwd had any water quality violations?
The EPA has 173 violations on file for Central Macoupin County Rwd, of which 153 are health-based (a contaminant limit or required treatment was breached) and 0 remain open. The rest are monitoring or reporting failures.
Where does this data come from?
Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.