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 |
|---|---|---|---|
| MR | Monitoring | Resolved | 2025-04-01 → 2025-06-30 |
| MR | Monitoring | Resolved | 2025-04-01 → 2025-06-30 |
| MR | Monitoring | Resolved | 2025-04-01 → 2025-06-30 |
| MR | Monitoring | Resolved | 2025-04-01 → 2025-06-30 |
| MR | Monitoring | Resolved | 2025-04-01 → 2025-06-30 |
| MR | Monitoring | Resolved | 2025-04-01 → 2025-06-30 |
| Other | Monitoring | Resolved | 2024-07-01 |
| Other | Monitoring | Resolved | 2024-07-01 |
| MR | Monitoring | Resolved | 2022-10-01 → 2022-12-31 |
| MR | Monitoring | Resolved | 2022-10-01 → 2022-12-31 |
PFAS detected
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| Pfba | 0.0057 µg/L | 1/3 | 2025 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Chloroform | 46.01 µg/L No EPA limit set
worst single sample: 54.35 µg/L | 52/52 | SYR4 | 2012–2019 |
| TTHM | 57.22 µg/L 72% of the EPA limit 80 µg/L
worst single sample: 65.15 µg/L | 52/52 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 37.445 µg/L 62% of the EPA limit 60 µg/L
worst single sample: 49 µg/L | 52/52 | SYR4 | 2012–2019 |
| Bromodichloromethane | 10.365 µg/L No EPA limit set
worst single sample: 11.2 µg/L | 50/52 | SYR4 | 2012–2019 |
| Dibromochloromethane | 4.23695 µg/L No EPA limit set
worst single sample: 5.724 µg/L | 50/52 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 26.02 µg/L No EPA limit set
worst single sample: 30.8 µg/L | 50/52 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 6.975 µg/L No EPA limit set
worst single sample: 8.2 µg/L | 46/52 | SYR4 | 2012–2019 |
| Copper | 96.7 µg/L 7.4% of the EPA limit 1300 µg/L
worst single sample: 510 µg/L | 39/40 | SYR4 | 2014–2017 |
| Dibromoacetic Acid | 1.792 µg/L No EPA limit set
worst single sample: 1.9 µg/L | 22/52 | SYR4 | 2012–2019 |
| Lead | 0.0075 mg/L 50% of the EPA limit 0.0150 mg/L | 18/18 | LCR | 2025 |
| Monobromoacetic Acid | 15.54 µg/L No EPA limit set
worst single sample: 18.6 µg/L | 10/52 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 8.452 µg/L No EPA limit set
worst single sample: 11.2 µg/L | 9/52 | SYR4 | 2012–2019 |
| Lead | 25.95 µg/L 173% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 34 µg/L | 8/40 | SYR4 | 2014–2017 |
| Bromoform | 1.89175 µg/L No EPA limit set
worst single sample: 1.95 µg/L | 2/52 | SYR4 | 2012–2019 |
29 contaminants tested, none detected
Utility contact
Frequently asked questions about Carterville
Is Carterville tap water safe to drink?
EPA monitoring detected 15 contaminants in Carterville'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 Carterville's water?
EPA monitoring detected Chloroform, TTHM, Total Haloacetic Acids (HAA5), Bromodichloromethane, Dibromochloromethane, and others. The full list with the level and data source for each is above.
How many people does Carterville serve?
Carterville reports serving 6,528 people in Illinois, per its EPA record.
Has Carterville had any water quality violations?
The EPA has 28 violations on file for Carterville, of which 0 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.