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 |
|---|---|---|---|
| MR | Monitoring | Resolved | 2023-01-01 → 2023-12-31 |
| MR | Monitoring | Resolved | 2023-01-01 → 2023-12-31 |
| MR | Monitoring | Resolved | 2023-01-01 → 2023-12-31 |
| MR | Monitoring | Resolved | 2023-01-01 → 2023-12-31 |
| MR | Monitoring | Resolved | 1998-07-01 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 482.25 µg/L 37% of the EPA limit 1300 µg/L
worst single sample: 558 µg/L | 16/30 | SYR4 | 2013–2019 |
| Lead | 0.0012 mg/L 8% of the EPA limit 0.0150 mg/L | 16/16 | LCR | 2025 |
| Nitrate | 1190 µg/L 12% of the EPA limit 10000 µg/L | 12/16 | SYR4 | 2012–2019 |
| Dibromochloromethane | 1.382 µg/L No EPA limit set
worst single sample: 1.48 µg/L | 8/8 | SYR4 | 2013–2019 |
| TTHM | 3.3355 µg/L 4.2% of the EPA limit 80 µg/L
worst single sample: 3.57 µg/L | 8/8 | SYR4 | 2013–2019 |
| Bromodichloromethane | 1.207 µg/L No EPA limit set
worst single sample: 1.27 µg/L | 7/8 | SYR4 | 2013–2019 |
| Lead | 4.62 µg/L 31% of the EPA limit 15 µg/L
worst single sample: 5.1 µg/L | 7/30 | SYR4 | 2013–2019 |
| Chloroform | 0.7956 µg/L No EPA limit set
worst single sample: 0.8190 µg/L | 4/8 | SYR4 | 2013–2019 |
| Barium | 356 µg/L 18% of the EPA limit 2000 µg/L
worst single sample: 360 µg/L | 3/3 | SYR4 | 2012–2018 |
| Fluoride | 1151.8 µg/L 29% of the EPA limit 4000 µg/L
worst single sample: 1170 µg/L | 3/3 | SYR4 | 2012–2018 |
| Nitrate-Nitrite | 972 µg/L 9.7% of the EPA limit 10000 µg/L
worst single sample: 990 µg/L | 3/3 | SYR4 | 2012–2018 |
| Combined Radium (-226 And -228) | 1.648 pCi/L 33% of the EPA limit 5 pCi/L | 1/1 | SYR4 | 2015 |
| Dibromoacetic Acid | 1.2 µg/L No EPA limit set | 1/8 | SYR4 | 2013–2019 |
| Selenium | 2.6 µg/L 5.2% of the EPA limit 50 µg/L | 1/3 | SYR4 | 2012–2018 |
| Total Haloacetic Acids (HAA5) | 1.2 µg/L 2% of the EPA limit 60 µg/L | 1/8 | SYR4 | 2013–2019 |
63 contaminants tested, none detected
Utility contact
Frequently asked questions about Prairie Path Water Company-Westlake
Is Prairie Path Water Company-Westlake tap water safe to drink?
EPA monitoring detected 15 contaminants in Prairie Path Water Company-Westlake'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 Prairie Path Water Company-Westlake's water?
EPA monitoring detected Copper, Lead, Nitrate, Dibromochloromethane, TTHM, and others. The full list with the level and data source for each is above.
How many people does Prairie Path Water Company-Westlake serve?
Prairie Path Water Company-Westlake reports serving 1,493 people in Illinois, per its EPA record.
Has Prairie Path Water Company-Westlake had any water quality violations?
The EPA has 5 violations on file for Prairie Path Water Company-Westlake, 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.