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 |
|---|---|---|---|
| MCL | Health-based | Archived | 2002-08-01 → 2002-08-31 |
| MCL | Health-based | Archived | 2002-08-01 → 2002-08-31 |
| MCL | Health-based | Archived | 2002-08-01 → 2002-08-31 |
| MCL | Health-based | Archived | 2002-08-01 → 2002-08-31 |
| TT | Health-based | Resolved | 1994-01-01 |
| TT | Health-based | Resolved | 1994-01-01 |
| MCL | Health-based | Archived | 1993-08-01 → 1993-08-31 |
| MCL | Health-based | Archived | 1993-08-01 → 1993-08-31 |
| MCL | Health-based | Archived | 1993-08-01 → 1993-08-31 |
| MCL | Health-based | Archived | 1993-08-01 → 1993-08-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 181 µg/L 14% of the EPA limit 1300 µg/L
worst single sample: 530 µg/L | 159/194 | SYR4 | 2014–2019 |
| Bromodichloromethane | 14.06 µg/L No EPA limit set
worst single sample: 16.8 µg/L | 77/77 | SYR4 | 2012–2019 |
| Chloroform | 33.68 µg/L No EPA limit set
worst single sample: 43.3 µg/L | 77/77 | SYR4 | 2012–2019 |
| Dibromochloromethane | 7.032 µg/L No EPA limit set
worst single sample: 7.83 µg/L | 77/77 | SYR4 | 2012–2019 |
| TTHM | 55.2 µg/L 69% of the EPA limit 80 µg/L
worst single sample: 63.1 µg/L | 77/77 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 28.02 µg/L 47% of the EPA limit 60 µg/L
worst single sample: 41.6 µg/L | 77/77 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 12.8 µg/L No EPA limit set
worst single sample: 16.2 µg/L | 77/77 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 13.75 µg/L No EPA limit set
worst single sample: 19.5 µg/L | 76/77 | SYR4 | 2012–2019 |
| Lead | 11.94 µg/L 80% of the EPA limit 15 µg/L
worst single sample: 310 µg/L | 64/194 | SYR4 | 2014–2019 |
| Monobromoacetic Acid | 3.962 µg/L No EPA limit set
worst single sample: 4.2 µg/L | 39/77 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 2.018 µg/L No EPA limit set
worst single sample: 2.7 µg/L | 29/77 | SYR4 | 2012–2019 |
| Lead | 0.0011 mg/L 7.3% of the EPA limit 0.0150 mg/L | 25/25 | LCR | 2026 |
| Monochloroacetic Acid | 6.558 µg/L No EPA limit set
worst single sample: 7.49 µg/L | 5/77 | SYR4 | 2012–2019 |
31 contaminants tested, none detected
Utility contact
Frequently asked questions about Aqua Illinois-North Maine Utilities
Is Aqua Illinois-North Maine Utilities tap water safe to drink?
EPA monitoring detected 13 contaminants in Aqua Illinois-North Maine Utilities'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 Aqua Illinois-North Maine Utilities's water?
EPA monitoring detected Copper, Bromodichloromethane, Chloroform, Dibromochloromethane, TTHM, and others. The full list with the level and data source for each is above.
How many people does Aqua Illinois-North Maine Utilities serve?
Aqua Illinois-North Maine Utilities reports serving 30,043 people in Illinois, per its EPA record.
Has Aqua Illinois-North Maine Utilities had any water quality violations?
The EPA has 80 violations on file for Aqua Illinois-North Maine Utilities, of which 51 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.