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 | 2006-07-01 → 2006-09-30 |
| MCL | Health-based | Resolved | 2006-07-01 → 2006-09-30 |
| MCL | Health-based | Resolved | 2006-07-01 → 2006-09-30 |
| MON | Monitoring | Resolved | 2025-05-01 → 2025-05-31 |
| MON | Monitoring | Resolved | 2025-05-01 → 2025-05-31 |
| MON | Monitoring | Resolved | 2025-05-01 → 2025-05-31 |
| MON | Monitoring | Resolved | 2017-01-01 → 2017-01-31 |
| MON | Monitoring | Resolved | 2017-01-01 → 2017-01-31 |
| MON | Monitoring | Resolved | 2017-01-01 → 2017-01-31 |
| RPT | Monitoring | Resolved | 2016-04-01 |
PFAS detected
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| Pfba | 0.0078 µg/L | 1/3 | 2025 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Dichloroacetic Acid | 29.9 µg/L No EPA limit set | 64/64 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 65.7 µg/L 110% of the EPA limit, in the worst sample — 60 µg/L | 64/64 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 35.8 µg/L No EPA limit set | 64/64 | SYR4 | 2012–2019 |
| Bromodichloromethane | 12.8 µg/L No EPA limit set | 62/62 | SYR4 | 2012–2019 |
| Chloroform | 84.7 µg/L No EPA limit set | 62/62 | SYR4 | 2012–2019 |
| TTHM | 96.4 µg/L 121% of the EPA limit, in the worst sample — 80 µg/L | 62/62 | SYR4 | 2012–2019 |
| Copper | 790 µg/L 61% of the EPA limit 1300 µg/L | 37/60 | SYR4 | 2012–2018 |
| Monochloroacetic Acid | 6.1 µg/L No EPA limit set | 29/64 | SYR4 | 2012–2019 |
| Lead | 181 µg/L 1207% of the EPA limit, in the worst sample — 15 µg/L | 27/60 | SYR4 | 2012–2018 |
| Dibromochloromethane | 2.4 µg/L No EPA limit set | 18/62 | SYR4 | 2012–2019 |
| Lead | 0.0010 mg/L 6.7% of the EPA limit 0.0150 mg/L | 13/13 | LCR | 2025 |
| Dibromoacetic Acid | 1 µg/L No EPA limit set | 1/64 | SYR4 | 2012–2019 |
31 contaminants tested, none detected
Utility contact
Frequently asked questions about West Stone County Water Assn
Is West Stone County Water Assn tap water safe to drink?
EPA monitoring detected 13 contaminants in West Stone County Water Assn'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 West Stone County Water Assn's water?
EPA monitoring detected Dichloroacetic Acid, Total Haloacetic Acids (HAA5), Trichloroacetic Acid, Bromodichloromethane, Chloroform, and others. The full list with the level and data source for each is above.
How many people does West Stone County Water Assn serve?
West Stone County Water Assn reports serving 5,188 people in Arkansas, per its EPA record.
Has West Stone County Water Assn had any water quality violations?
The EPA has 25 violations on file for West Stone County Water Assn, of which 3 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.