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 |
|---|---|---|---|
| Other | Monitoring | Resolved | 2017-07-01 |
| Other | Monitoring | Resolved | 2017-07-01 |
| MR | Monitoring | Archived | 1998-06-01 → 1998-06-30 |
| MR | Monitoring | Archived | 1998-06-01 → 1998-06-30 |
| MR | Monitoring | Archived | 1977-06-30 → 1981-06-29 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 1570 µg/L 121% of the EPA limit, at the 95th percentile of samples — 1300 µg/L
worst single sample: 2040 µg/L | 51/51 | SYR4 | 2013–2019 |
| Lead | 7.8 µg/L 52% of the EPA limit 15 µg/L
worst single sample: 41 µg/L | 37/51 | SYR4 | 2013–2019 |
| Lead | 0.0093 mg/L 62% of the EPA limit 0.0150 mg/L | 21/21 | LCR | 2025 |
| Nitrate | 305 µg/L 3.1% of the EPA limit 10000 µg/L | 16/16 | SYR4 | 2012–2019 |
| Chloroform | 49.356 µg/L No EPA limit set
worst single sample: 53.46 µg/L | 9/9 | SYR4 | 2012–2019 |
| TTHM | 51.97 µg/L 65% of the EPA limit 80 µg/L
worst single sample: 55.35 µg/L | 9/9 | SYR4 | 2012–2019 |
| Bromodichloromethane | 2.625 µg/L No EPA limit set
worst single sample: 2.8 µg/L | 8/9 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 9.11 µg/L No EPA limit set
worst single sample: 9.6 µg/L | 8/9 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 16.55 µg/L 28% of the EPA limit 60 µg/L
worst single sample: 16.9 µg/L | 8/9 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 8.63 µg/L No EPA limit set
worst single sample: 8.7 µg/L | 8/9 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 294.9 µg/L 2.9% of the EPA limit 10000 µg/L
worst single sample: 305 µg/L | 3/3 | SYR4 | 2016–2019 |
| Barium | 149.45 µg/L 7.5% of the EPA limit 2000 µg/L
worst single sample: 150 µg/L | 2/2 | SYR4 | 2014–2017 |
| Bromoform | 0.8850 µg/L No EPA limit set
worst single sample: 0.9000 µg/L | 2/9 | SYR4 | 2012–2019 |
| Combined Radium (-226 And -228) | 2.78 pCi/L 56% of the EPA limit 5 pCi/L
worst single sample: 2.83 pCi/L | 2/2 | SYR4 | 2016–2019 |
| Fluoride | 1001.55 µg/L 25% of the EPA limit 4000 µg/L
worst single sample: 1020 µg/L | 2/2 | SYR4 | 2014–2017 |
| Arsenic | 3 µg/L 30% of the EPA limit 10 µg/L | 1/2 | SYR4 | 2014–2017 |
| Dibromochloromethane | 0.6000 µg/L No EPA limit set | 1/9 | SYR4 | 2012–2019 |
33 contaminants tested, none detected
Utility contact
Frequently asked questions about Amboy
Is Amboy tap water safe to drink?
EPA monitoring detected 17 contaminants in Amboy'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 Amboy's water?
EPA monitoring detected Copper, Lead, Lead, Nitrate, Chloroform, and others. The full list with the level and data source for each is above.
How many people does Amboy serve?
Amboy reports serving 2,500 people in Illinois, per its EPA record.
Has Amboy had any water quality violations?
The EPA has 5 violations on file for Amboy, 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.