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 | Resolved | 2007-05-01 → 2007-05-31 |
| MCL | Health-based | Resolved | 2007-05-01 → 2007-05-31 |
| MCL | Health-based | Resolved | 2007-05-01 → 2007-05-31 |
| MCL | Health-based | Resolved | 2007-05-01 → 2007-05-31 |
| MCL | Health-based | Resolved | 2004-11-01 → 2004-11-30 |
| MCL | Health-based | Resolved | 2004-11-01 → 2004-11-30 |
| MCL | Health-based | Resolved | 2004-11-01 → 2004-11-30 |
| MCL | Health-based | Resolved | 2004-11-01 → 2004-11-30 |
| MCL | Health-based | Resolved | 2004-11-01 → 2004-11-30 |
| MCL | Health-based | Resolved | 2004-11-01 → 2004-11-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 2350 µg/L 181% of the EPA limit, at the 95th percentile of samples — 1300 µg/L
worst single sample: 4940 µg/L | 431/580 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 62/62 | LCR | 2025 |
| Lead | 37.59 µg/L 251% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 86.1 µg/L | 15/580 | SYR4 | 2012–2019 |
| Bromodichloromethane | 9.14 µg/L No EPA limit set
worst single sample: 11.1 µg/L | 8/8 | SYR4 | 2013–2019 |
| Bromoform | 4.045 µg/L No EPA limit set
worst single sample: 4.5 µg/L | 8/8 | SYR4 | 2013–2019 |
| Dibromochloromethane | 10.425 µg/L No EPA limit set
worst single sample: 12 µg/L | 8/8 | SYR4 | 2013–2019 |
| TTHM | 27.46 µg/L 34% of the EPA limit 80 µg/L
worst single sample: 32.5 µg/L | 8/8 | SYR4 | 2013–2019 |
| Chloroform | 4.12 µg/L No EPA limit set
worst single sample: 4.9 µg/L | 7/8 | SYR4 | 2013–2019 |
| Dibromoacetic Acid | 4.43 µg/L No EPA limit set
worst single sample: 5 µg/L | 7/8 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 8.08 µg/L 13% of the EPA limit 60 µg/L
worst single sample: 9.4 µg/L | 7/8 | SYR4 | 2013–2019 |
| Dichloroacetic Acid | 2.82 µg/L No EPA limit set
worst single sample: 3.2 µg/L | 5/8 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 1.18 µg/L No EPA limit set
worst single sample: 1.2 µg/L | 3/8 | SYR4 | 2013–2019 |
32 contaminants tested, none detected
Utility contact
Frequently asked questions about Abs Water Coop
Is Abs Water Coop tap water safe to drink?
EPA monitoring detected 12 contaminants in Abs Water Coop'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 Abs Water Coop's water?
EPA monitoring detected Copper, Lead, Lead, Bromodichloromethane, Bromoform, and others. The full list with the level and data source for each is above.
How many people does Abs Water Coop serve?
Abs Water Coop reports serving 6,858 people in Illinois, per its EPA record.
Has Abs Water Coop had any water quality violations?
The EPA has 32 violations on file for Abs Water Coop, of which 21 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.