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 | 1999-09-01 → 1999-09-30 |
| MCL | Health-based | Archived | 1999-09-01 → 1999-09-30 |
| MCL | Health-based | Archived | 1999-09-01 → 1999-09-30 |
| MCL | Health-based | Archived | 1999-09-01 → 1999-09-30 |
| RPT | Monitoring | Unaddressed | 2025-07-02 |
| RPT | Monitoring | Unaddressed | 2025-07-02 |
| Other | Monitoring | Resolved | 2017-07-01 |
| Other | Monitoring | Resolved | 2017-07-01 |
| MR | Monitoring | Resolved | 2004-01-01 → 2004-01-31 |
| MR | Monitoring | Resolved | 2004-01-01 → 2004-01-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 15.28 µg/L No EPA limit set
worst single sample: 17.4 µg/L | 73/73 | SYR4 | 2012–2019 |
| Chloroform | 32.94 µg/L No EPA limit set
worst single sample: 35.3 µg/L | 73/73 | SYR4 | 2012–2019 |
| Dibromochloromethane | 7.022 µg/L No EPA limit set
worst single sample: 7.72 µg/L | 73/73 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 9.664 µg/L No EPA limit set
worst single sample: 11 µg/L | 73/73 | SYR4 | 2012–2019 |
| TTHM | 55.22 µg/L 69% of the EPA limit 80 µg/L
worst single sample: 58.8 µg/L | 73/73 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 20.82 µg/L 35% of the EPA limit 60 µg/L
worst single sample: 27.3 µg/L | 73/73 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 10.54 µg/L No EPA limit set
worst single sample: 12.4 µg/L | 73/73 | SYR4 | 2012–2019 |
| Monobromoacetic Acid | 1.737 µg/L No EPA limit set
worst single sample: 1.9 µg/L | 44/73 | SYR4 | 2012–2019 |
| Lead | 0.0040 mg/L 27% of the EPA limit 0.0150 mg/L | 18/18 | LCR | 2025 |
| Dibromoacetic Acid | 1.3775 µg/L No EPA limit set
worst single sample: 1.61 µg/L | 16/73 | SYR4 | 2012–2019 |
| Lead | 139.84 µg/L 932% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 219 µg/L | 9/90 | SYR4 | 2012–2018 |
| Monochloroacetic Acid | 9.251 µg/L No EPA limit set
worst single sample: 10.4 µg/L | 4/73 | SYR4 | 2012–2019 |
32 contaminants tested, none detected
Utility contact
Frequently asked questions about Forest Park
Is Forest Park tap water safe to drink?
EPA monitoring detected 12 contaminants in Forest Park'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 Forest Park's water?
EPA monitoring detected Bromodichloromethane, Chloroform, Dibromochloromethane, Dichloroacetic Acid, TTHM, and others. The full list with the level and data source for each is above.
How many people does Forest Park serve?
Forest Park reports serving 14,340 people in Illinois, per its EPA record.
Has Forest Park had any water quality violations?
The EPA has 20 violations on file for Forest Park, of which 4 are health-based (a contaminant limit or required treatment was breached) and 2 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.