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 | 2024-04-02 |
| TT | Health-based | Resolved | 2024-04-02 |
| TT | Health-based | Resolved | 2024-04-02 |
| TT | Health-based | Resolved | 2024-04-02 |
| Other | Monitoring | Unaddressed | 2025-07-01 |
| Other | Monitoring | Resolved | 2025-02-23 |
| Other | Monitoring | Resolved | 2025-02-23 |
| MR | Monitoring | Resolved | 2023-10-01 |
| MR | Monitoring | Resolved | 2023-10-01 |
| MR | Monitoring | Resolved | 2023-10-01 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 2400 µg/L 185% of the EPA limit, in the worst sample — 1300 µg/L | 20/20 | SYR4 | 2014–2017 |
| Lead | 0.0062 mg/L 41% of the EPA limit 0.0150 mg/L | 17/17 | LCR | 2025 |
| Nitrate | 40 µg/L 0.4% of the EPA limit 10000 µg/L | 8/16 | SYR4 | 2012–2019 |
| Chloroform | 3.04 µg/L No EPA limit set | 7/7 | SYR4 | 2014–2019 |
| TTHM | 5.05 µg/L 6.3% of the EPA limit 80 µg/L | 7/7 | SYR4 | 2014–2019 |
| Bromodichloromethane | 1.48 µg/L No EPA limit set | 6/7 | SYR4 | 2014–2019 |
| Lead | 140 µg/L 933% of the EPA limit, in the worst sample — 15 µg/L | 6/20 | SYR4 | 2014–2017 |
| Arsenic | 1.9 µg/L 19% of the EPA limit 10 µg/L | 3/3 | SYR4 | 2012–2018 |
| Barium | 59 µg/L 2.9% of the EPA limit 2000 µg/L | 3/3 | SYR4 | 2012–2018 |
| Fluoride | 663 µg/L 17% of the EPA limit 4000 µg/L | 3/3 | SYR4 | 2012–2018 |
| Dibromochloromethane | 0.8910 µg/L No EPA limit set | 2/7 | SYR4 | 2014–2019 |
| Nitrate-Nitrite | 40 µg/L 0.4% of the EPA limit 10000 µg/L | 2/3 | SYR4 | 2012–2018 |
| Chromium | 6.3 µg/L 6.3% of the EPA limit 100 µg/L | 1/3 | SYR4 | 2012–2018 |
| Combined Radium (-226 And -228) | 1.133 pCi/L 23% of the EPA limit 5 pCi/L | 1/1 | SYR4 | 2014 |
| Dibromoacetic Acid | 1.34 µg/L No EPA limit set | 1/7 | SYR4 | 2014–2019 |
| Dichloroacetic Acid | 6.52 µg/L No EPA limit set | 1/7 | SYR4 | 2014–2019 |
| Total Haloacetic Acids (HAA5) | 7.86 µg/L 13% of the EPA limit 60 µg/L | 1/7 | SYR4 | 2014–2019 |
61 contaminants tested, none detected
Utility contact
Frequently asked questions about Liberty Park Homeowners Association
Is Liberty Park Homeowners Association tap water safe to drink?
EPA monitoring detected 17 contaminants in Liberty Park Homeowners Association'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 Liberty Park Homeowners Association's water?
EPA monitoring detected Copper, Lead, Nitrate, Chloroform, TTHM, and others. The full list with the level and data source for each is above.
How many people does Liberty Park Homeowners Association serve?
Liberty Park Homeowners Association reports serving 950 people in Illinois, per its EPA record.
Has Liberty Park Homeowners Association had any water quality violations?
The EPA has 24 violations on file for Liberty Park Homeowners Association, of which 4 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.