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 |
|---|---|---|---|
| MON | Monitoring | Resolved | 2023-01-01 → 2023-01-31 |
| MON | Monitoring | Resolved | 2023-01-01 → 2023-01-31 |
| Other | Monitoring | Resolved | 2017-10-01 |
| MR | Monitoring | Resolved | 2008-11-01 → 2008-11-30 |
| MR | Monitoring | Resolved | 2008-11-01 → 2008-11-30 |
| MR | Monitoring | Resolved | 2005-10-01 |
| Other | Monitoring | Resolved | 2004-07-01 |
| MR | Monitoring | Archived | 1996-12-01 → 1996-12-31 |
| MR | Monitoring | Archived | 1996-12-01 → 1996-12-31 |
| MR | Monitoring | Archived | 1996-12-01 → 1996-12-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Lead | 19.35 µg/L 129% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 104 µg/L | 76/136 | SYR4 | 2012–2019 |
| Copper | 734.25 µg/L 56% of the EPA limit 1300 µg/L
worst single sample: 860 µg/L | 70/136 | SYR4 | 2012–2019 |
| Bromodichloromethane | 7.91 µg/L No EPA limit set
worst single sample: 8.6 µg/L | 50/50 | SYR4 | 2013–2019 |
| Chloroform | 60.415 µg/L No EPA limit set
worst single sample: 67.3 µg/L | 50/50 | SYR4 | 2013–2019 |
| Dichloroacetic Acid | 20.065 µg/L No EPA limit set
worst single sample: 30.3 µg/L | 50/50 | SYR4 | 2013–2019 |
| TTHM | 66.335 µg/L 83% of the EPA limit 80 µg/L
worst single sample: 72.8 µg/L | 50/50 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 41.385 µg/L 69% of the EPA limit 60 µg/L
worst single sample: 56.3 µg/L | 50/50 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 22.455 µg/L No EPA limit set
worst single sample: 36.1 µg/L | 50/50 | SYR4 | 2013–2019 |
| Lead | 0.0070 mg/L 47% of the EPA limit 0.0150 mg/L | 23/23 | LCR | 2025 |
| Dibromochloromethane | 1.2 µg/L No EPA limit set | 5/50 | SYR4 | 2013–2019 |
| Monochloroacetic Acid | 12.735 µg/L No EPA limit set
worst single sample: 14.1 µg/L | 4/50 | SYR4 | 2013–2019 |
| Dibromoacetic Acid | 1.095 µg/L No EPA limit set
worst single sample: 1.1 µg/L | 2/50 | SYR4 | 2013–2019 |
| Monobromoacetic Acid | 2.16 µg/L No EPA limit set
worst single sample: 2.2 µg/L | 2/50 | SYR4 | 2013–2019 |
31 contaminants tested, none detected
Utility contact
Frequently asked questions about Eureka Springs Waterworks
Is Eureka Springs Waterworks tap water safe to drink?
EPA monitoring detected 13 contaminants in Eureka Springs Waterworks'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 Eureka Springs Waterworks's water?
EPA monitoring detected Lead, Copper, Bromodichloromethane, Chloroform, Dichloroacetic Acid, and others. The full list with the level and data source for each is above.
How many people does Eureka Springs Waterworks serve?
Eureka Springs Waterworks reports serving 4,053 people in Arkansas, per its EPA record.
Has Eureka Springs Waterworks had any water quality violations?
The EPA has 13 violations on file for Eureka Springs Waterworks, 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.