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 | Archived | 2023-07-01 → 2023-09-30 |
| MCL | Health-based | Archived | 2023-07-01 → 2023-09-30 |
| MCL | Health-based | Archived | 2023-04-01 → 2023-06-30 |
| MCL | Health-based | Archived | 2023-04-01 → 2023-06-30 |
| MCL | Health-based | Archived | 2023-04-01 → 2023-06-30 |
| MCL | Health-based | Resolved | 2021-07-01 → 2021-09-30 |
| MCL | Health-based | Resolved | 2021-07-01 → 2021-09-30 |
| MCL | Health-based | Resolved | 2021-07-01 → 2021-09-30 |
| MCL | Health-based | Resolved | 2021-07-01 → 2021-09-30 |
| MCL | Health-based | Resolved | 2018-04-01 → 2018-06-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 11.5 µg/L No EPA limit set | 67/67 | SYR4 | 2012–2019 |
| Chloroform | 102 µg/L No EPA limit set | 67/67 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 41.1 µg/L No EPA limit set | 62/62 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 83.8 µg/L 140% of the EPA limit, in the worst sample — 60 µg/L | 62/62 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 47 µg/L No EPA limit set | 62/62 | SYR4 | 2012–2019 |
| TTHM | 111 µg/L 139% of the EPA limit, in the worst sample — 80 µg/L | 58/58 | SYR4 | 2012–2019 |
| Dibromochloromethane | 2.4 µg/L No EPA limit set | 34/73 | SYR4 | 2012–2019 |
| Copper | 870 µg/L 67% of the EPA limit 1300 µg/L | 19/41 | SYR4 | 2014–2017 |
| Monochloroacetic Acid | 4.2 µg/L No EPA limit set | 16/62 | SYR4 | 2012–2019 |
| Fluoride | 760 µg/L 19% of the EPA limit 4000 µg/L | 14/22 | SYR4 | 2012–2019 |
| Lead | 0.0010 mg/L 6.7% of the EPA limit 0.0150 mg/L | 14/14 | LCR | 2025 |
| Lead | 46 µg/L 307% of the EPA limit, in the worst sample — 15 µg/L | 10/49 | SYR4 | 2012–2019 |
| Gross Beta Particle Activity | 5.4 pCi/L No EPA limit set | 7/9 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 960 µg/L 9.6% of the EPA limit 10000 µg/L | 5/9 | SYR4 | 2012–2019 |
| Nitrate | 960 µg/L 9.6% of the EPA limit 10000 µg/L | 2/2 | SYR4 | 2018 |
| Di(2-ethylhexyl) Phthalate | 1.36 µg/L 23% of the EPA limit 6 µg/L | 1/15 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 1.2 µg/L No EPA limit set | 1/62 | SYR4 | 2012–2019 |
| Monobromoacetic Acid | 1 µg/L No EPA limit set | 1/62 | SYR4 | 2012–2019 |
91 contaminants tested, none detected
Utility contact
Frequently asked questions about Prairie Grove Waterworks
Is Prairie Grove Waterworks tap water safe to drink?
EPA monitoring detected 18 contaminants in Prairie Grove 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 Prairie Grove Waterworks's water?
EPA monitoring detected Bromodichloromethane, Chloroform, Dichloroacetic Acid, Total Haloacetic Acids (HAA5), Trichloroacetic Acid, and others. The full list with the level and data source for each is above.
How many people does Prairie Grove Waterworks serve?
Prairie Grove Waterworks reports serving 9,615 people in Arkansas, per its EPA record.
Has Prairie Grove Waterworks had any water quality violations?
The EPA has 38 violations on file for Prairie Grove Waterworks, of which 37 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.