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 | 2000-10-01 → 2000-12-31 |
| TT | Health-based | Resolved | 2000-07-01 → 2000-09-30 |
| MCL | Health-based | Resolved | 1992-06-26 → 1996-06-25 |
| Other | Monitoring | Unaddressed | 2025-07-01 |
| MR | Monitoring | Archived | 1994-05-01 → 1994-07-31 |
| MR | Monitoring | Archived | 1994-05-01 → 1994-07-31 |
| MR | Monitoring | Archived | 1994-05-01 → 1994-07-31 |
| MR | Monitoring | Archived | 1994-05-01 → 1994-07-31 |
| MR | Monitoring | Archived | 1994-05-01 → 1994-07-31 |
| MR | Monitoring | Archived | 1994-05-01 → 1994-07-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 1130 µg/L 87% of the EPA limit 1300 µg/L
worst single sample: 1800 µg/L | 137/150 | SYR4 | 2012–2019 |
| Lead | 27.35 µg/L 182% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 62 µg/L | 91/150 | SYR4 | 2012–2019 |
| Lead | 0.0096 mg/L 64% of the EPA limit 0.0150 mg/L | 30/30 | LCR | 2026 |
| Bromodichloromethane | 6.3365 µg/L No EPA limit set
worst single sample: 9.94 µg/L | 28/28 | SYR4 | 2013–2019 |
| Chloroform | 8.941 µg/L No EPA limit set
worst single sample: 15 µg/L | 28/28 | SYR4 | 2013–2019 |
| TTHM | 20.485 µg/L 26% of the EPA limit 80 µg/L
worst single sample: 33 µg/L | 28/28 | SYR4 | 2013–2019 |
| Dibromochloromethane | 4.696 µg/L No EPA limit set
worst single sample: 6.83 µg/L | 24/28 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 3.87 µg/L 6.5% of the EPA limit 60 µg/L
worst single sample: 3.9 µg/L | 11/28 | SYR4 | 2013–2019 |
| Dibromoacetic Acid | 1.7 µg/L No EPA limit set | 7/28 | SYR4 | 2013–2019 |
| Bromoform | 1.23875 µg/L No EPA limit set
worst single sample: 1.32 µg/L | 6/28 | SYR4 | 2013–2019 |
| Dichloroacetic Acid | 2.383 µg/L No EPA limit set
worst single sample: 2.41 µg/L | 4/28 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 1.771 µg/L No EPA limit set
worst single sample: 1.78 µg/L | 2/28 | SYR4 | 2013–2019 |
32 contaminants tested, none detected
Utility contact
Frequently asked questions about Wauconda
Is Wauconda tap water safe to drink?
EPA monitoring detected 12 contaminants in Wauconda'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 Wauconda's water?
EPA monitoring detected Copper, Lead, Lead, Bromodichloromethane, Chloroform, and others. The full list with the level and data source for each is above.
How many people does Wauconda serve?
Wauconda reports serving 15,349 people in Illinois, per its EPA record.
Has Wauconda had any water quality violations?
The EPA has 15 violations on file for Wauconda, of which 3 are health-based (a contaminant limit or required treatment was breached) and 1 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.