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 | 2018-01-01 → 2018-01-31 |
| TT | Health-based | Resolved | 2018-01-01 → 2018-01-31 |
| TT | Health-based | Resolved | 2018-01-01 → 2018-01-31 |
| TT | Health-based | Resolved | 2018-01-01 → 2018-01-31 |
| TT | Health-based | Resolved | 2018-01-01 → 2018-01-31 |
| MCL | Health-based | Archived | 2002-02-01 → 2002-02-28 |
| MCL | Health-based | Archived | 2002-02-01 → 2002-02-28 |
| MCL | Health-based | Archived | 2000-06-01 → 2000-06-30 |
| MCL | Health-based | Archived | 2000-06-01 → 2000-06-30 |
| MCL | Health-based | Archived | 2000-06-01 → 2000-06-30 |
PFAS detected
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| Pfba | 0.0082 µg/L | 13/16 | 2025 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Chloroform | 108.7 µg/L No EPA limit set | 128/128 | SYR4 | 2012–2019 |
| TTHM | 138.6 µg/L 173% of the EPA limit, in the worst sample — 80 µg/L | 128/128 | SYR4 | 2012–2019 |
| Bromodichloromethane | 23.9 µg/L No EPA limit set | 127/128 | SYR4 | 2012–2019 |
| Dibromochloromethane | 10.5 µg/L No EPA limit set | 124/128 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 54.6 µg/L No EPA limit set | 123/124 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 89 µg/L 148% of the EPA limit, in the worst sample — 60 µg/L | 123/124 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 33.6 µg/L No EPA limit set | 120/124 | SYR4 | 2012–2019 |
| Copper | 1404 µg/L 108% of the EPA limit, in the worst sample — 1300 µg/L | 47/60 | SYR4 | 2014–2017 |
| Dibromoacetic Acid | 2.8 µg/L No EPA limit set | 44/124 | SYR4 | 2012–2019 |
| Monobromoacetic Acid | 11 µg/L No EPA limit set | 35/124 | SYR4 | 2012–2019 |
| Lead | 5 µg/L 33% of the EPA limit 15 µg/L | 26/60 | SYR4 | 2014–2017 |
| Lead | 0.0020 mg/L 13% of the EPA limit 0.0150 mg/L | 18/18 | LCR | 2023 |
| Bromoform | 1.6 µg/L No EPA limit set | 17/128 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 6.7 µg/L No EPA limit set | 13/124 | SYR4 | 2012–2019 |
29 contaminants tested, none detected
Utility contact
Frequently asked questions about Washington County Water Company
Is Washington County Water Company tap water safe to drink?
EPA monitoring detected 15 contaminants in Washington County Water Company'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 Washington County Water Company's water?
EPA monitoring detected Chloroform, TTHM, Bromodichloromethane, Dibromochloromethane, Dichloroacetic Acid, and others. The full list with the level and data source for each is above.
How many people does Washington County Water Company serve?
Washington County Water Company reports serving 11,374 people in Illinois, per its EPA record.
Has Washington County Water Company had any water quality violations?
The EPA has 27 violations on file for Washington County Water Company, of which 11 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.