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 | 2004-07-01 |
| TT | Health-based | Resolved | 2004-07-01 |
| TT | Health-based | Resolved | 2004-07-01 |
| TT | Health-based | Resolved | 2004-07-01 |
| TT | Health-based | Resolved | 1995-03-01 |
| TT | Health-based | Resolved | 1994-08-04 |
| MR | Monitoring | Archived | 2023-01-01 → 2025-12-31 |
| MR | Monitoring | Archived | 2023-01-01 → 2025-12-31 |
| MR | Monitoring | Archived | 2023-01-01 → 2025-12-31 |
| MR | Monitoring | Archived | 2023-01-01 → 2025-12-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 1312.5 µg/L 101% of the EPA limit, at the 95th percentile of samples — 1300 µg/L
worst single sample: 1500 µg/L | 24/50 | SYR4 | 2012–2018 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 14/14 | LCR | 2025 |
| Bromodichloromethane | 8.7132 µg/L No EPA limit set
worst single sample: 8.94 µg/L | 7/8 | SYR4 | 2013–2019 |
| Chloroform | 19.755 µg/L No EPA limit set
worst single sample: 20.4 µg/L | 7/8 | SYR4 | 2013–2019 |
| Lead | 7.19 µg/L 48% of the EPA limit 15 µg/L
worst single sample: 7.4 µg/L | 7/50 | SYR4 | 2012–2018 |
| TTHM | 31.512 µg/L 39% of the EPA limit 80 µg/L
worst single sample: 32.4 µg/L | 7/8 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 15.598 µg/L 26% of the EPA limit 60 µg/L
worst single sample: 16 µg/L | 7/8 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 8.314 µg/L No EPA limit set
worst single sample: 9 µg/L | 5/8 | SYR4 | 2013–2019 |
| Barium | 14 µg/L 0.7% of the EPA limit 2000 µg/L | 4/4 | SYR4 | 2014–2017 |
| Dibromochloromethane | 3.078 µg/L No EPA limit set
worst single sample: 3.09 µg/L | 4/8 | SYR4 | 2013–2019 |
| Dichloroacetic Acid | 8.7315 µg/L No EPA limit set
worst single sample: 9.09 µg/L | 4/8 | SYR4 | 2013–2019 |
| Fluoride | 1074 µg/L 27% of the EPA limit 4000 µg/L
worst single sample: 1080 µg/L | 4/4 | SYR4 | 2014–2017 |
| Lithium | 9.6 µg/L No EPA limit set | 2/4 | UCMR-5 | 2025 |
| Dibromoacetic Acid | 1 µg/L No EPA limit set | 1/8 | SYR4 | 2013–2019 |
94 contaminants tested, none detected
Utility contact
Frequently asked questions about Hainesville
Is Hainesville tap water safe to drink?
EPA monitoring detected 14 contaminants in Hainesville'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 Hainesville's water?
EPA monitoring detected Copper, Lead, Bromodichloromethane, Chloroform, Lead, and others. The full list with the level and data source for each is above.
How many people does Hainesville serve?
Hainesville reports serving 3,528 people in Illinois, per its EPA record.
Has Hainesville had any water quality violations?
The EPA has 121 violations on file for Hainesville, of which 6 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.