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 | 2021-02-23 |
| TT | Health-based | Resolved | 2021-02-23 |
| TT | Health-based | Resolved | 2021-02-23 |
| TT | Health-based | Resolved | 2021-02-23 |
| TT | Health-based | Resolved | 2019-01-01 |
| TT | Health-based | Resolved | 2019-01-01 |
| TT | Health-based | Resolved | 2019-01-01 |
| TT | Health-based | Resolved | 2019-01-01 |
| TT | Health-based | Resolved | 1999-07-01 → 1999-09-30 |
| TT | Health-based | Resolved | 1999-04-01 → 1999-06-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Copper | 1800 µg/L 138% of the EPA limit, at the 95th percentile of samples — 1300 µg/L
worst single sample: 3100 µg/L | 201/202 | SYR4 | 2012–2019 |
| Lead | 6.47 µg/L 43% of the EPA limit 15 µg/L
worst single sample: 270 µg/L | 58/202 | SYR4 | 2012–2019 |
| Lead | 0.0110 mg/L 73% of the EPA limit 0.0150 mg/L | 50/50 | LCR | 2025 |
| Chloroform | 16.605 µg/L No EPA limit set
worst single sample: 20 µg/L | 8/8 | SYR4 | 2014–2019 |
| TTHM | 20.715 µg/L 26% of the EPA limit 80 µg/L
worst single sample: 21.1 µg/L | 8/8 | SYR4 | 2014–2019 |
| Total Haloacetic Acids (HAA5) | 21.26 µg/L 35% of the EPA limit 60 µg/L
worst single sample: 24.8 µg/L | 7/8 | SYR4 | 2014–2019 |
| Bromodichloromethane | 6.12 µg/L No EPA limit set
worst single sample: 6.39 µg/L | 6/8 | SYR4 | 2014–2019 |
| Dichloroacetic Acid | 22.12 µg/L No EPA limit set
worst single sample: 24.8 µg/L | 5/8 | SYR4 | 2014–2019 |
| Trichloroacetic Acid | 4.398 µg/L No EPA limit set
worst single sample: 4.84 µg/L | 5/8 | SYR4 | 2014–2019 |
| Dibromochloromethane | 3.787 µg/L No EPA limit set
worst single sample: 3.79 µg/L | 4/8 | SYR4 | 2014–2019 |
| Bromoform | 0.7815 µg/L No EPA limit set
worst single sample: 0.7970 µg/L | 3/8 | SYR4 | 2014–2019 |
| Dibromoacetic Acid | 1.68 µg/L No EPA limit set | 1/8 | SYR4 | 2014–2019 |
32 contaminants tested, none detected
Utility contact
Frequently asked questions about Casey
Is Casey tap water safe to drink?
EPA monitoring detected 12 contaminants in Casey'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 Casey's water?
EPA monitoring detected Copper, Lead, Lead, Chloroform, TTHM, and others. The full list with the level and data source for each is above.
How many people does Casey serve?
Casey reports serving 3,274 people in Illinois, per its EPA record.
Has Casey had any water quality violations?
The EPA has 96 violations on file for Casey, of which 45 are health-based (a contaminant limit or required treatment was breached) and 4 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.