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 | Resolved | 2019-01-01 → 2019-03-31 |
| MCL | Health-based | Resolved | 2019-01-01 → 2019-03-31 |
| MCL | Health-based | Resolved | 2019-01-01 → 2019-03-31 |
| MCL | Health-based | Resolved | 2019-01-01 → 2019-03-31 |
| MCL | Health-based | Resolved | 2018-10-01 → 2018-12-31 |
| MCL | Health-based | Resolved | 2018-10-01 → 2018-12-31 |
| MCL | Health-based | Resolved | 2018-10-01 → 2018-12-31 |
| MCL | Health-based | Resolved | 2018-10-01 → 2018-12-31 |
| MCL | Health-based | Resolved | 2018-07-01 → 2018-09-30 |
| MCL | Health-based | Resolved | 2018-07-01 → 2018-09-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Dichloroacetic Acid | 26.055 µg/L No EPA limit set
worst single sample: 42.3 µg/L | 128/128 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 68.565 µg/L 114% of the EPA limit, at the 95th percentile of samples — 60 µg/L
worst single sample: 82.3 µg/L | 128/128 | SYR4 | 2012–2019 |
| Bromodichloromethane | 10.585 µg/L No EPA limit set
worst single sample: 12.4 µg/L | 124/124 | SYR4 | 2012–2019 |
| Chloroform | 117 µg/L No EPA limit set
worst single sample: 161 µg/L | 124/124 | SYR4 | 2012–2019 |
| TTHM | 125 µg/L 156% of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 170 µg/L | 124/124 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 34.645 µg/L No EPA limit set
worst single sample: 61.2 µg/L | 122/128 | SYR4 | 2012–2019 |
| Dibromochloromethane | 2.265 µg/L No EPA limit set
worst single sample: 2.4 µg/L | 68/124 | SYR4 | 2012–2019 |
| Copper | 886 µg/L 68% of the EPA limit 1300 µg/L
worst single sample: 1100 µg/L | 29/60 | SYR4 | 2014–2017 |
| Monochloroacetic Acid | 4.12 µg/L No EPA limit set
worst single sample: 4.2 µg/L | 25/128 | SYR4 | 2012–2019 |
| Lead | 0.0010 mg/L 6.7% of the EPA limit 0.0150 mg/L | 14/14 | LCR | 2025 |
| Lead | 10.7 µg/L 71% of the EPA limit 15 µg/L
worst single sample: 11 µg/L | 7/60 | SYR4 | 2014–2017 |
| Monobromoacetic Acid | 1.47 µg/L No EPA limit set
worst single sample: 1.5 µg/L | 4/128 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 1.2 µg/L No EPA limit set | 3/128 | SYR4 | 2012–2019 |
31 contaminants tested, none detected
Utility contact
Frequently asked questions about Washington Water Authority Wwa
Is Washington Water Authority Wwa tap water safe to drink?
EPA monitoring detected 13 contaminants in Washington Water Authority Wwa'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 Water Authority Wwa's water?
EPA monitoring detected Dichloroacetic Acid, Total Haloacetic Acids (HAA5), Bromodichloromethane, Chloroform, TTHM, and others. The full list with the level and data source for each is above.
How many people does Washington Water Authority Wwa serve?
Washington Water Authority Wwa reports serving 20,140 people in Arkansas, per its EPA record.
Has Washington Water Authority Wwa had any water quality violations?
The EPA has 72 violations on file for Washington Water Authority Wwa, of which 50 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.