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 | 2026-01-01 → 2026-03-31 |
| MCL | Health-based | Archived | 2026-01-01 → 2026-03-31 |
| MCL | Health-based | Archived | 2026-01-01 → 2026-03-31 |
| MCL | Health-based | Archived | 2025-10-01 → 2025-12-31 |
| MCL | Health-based | Archived | 2025-10-01 → 2025-12-31 |
| MCL | Health-based | Archived | 2025-10-01 → 2025-12-31 |
| MCL | Health-based | Archived | 2025-10-01 → 2025-12-31 |
| MCL | Health-based | Archived | 2025-10-01 → 2025-12-31 |
| MCL | Health-based | Archived | 2025-10-01 → 2025-12-31 |
| MCL | Health-based | Archived | 2025-07-01 → 2025-09-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 102.54 µg/L 128% of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 130.6 µg/L | 72/74 | SYR4 | 2012–2019 |
| Bromoform | 58.62 µg/L No EPA limit set
worst single sample: 88.8 µg/L | 69/74 | SYR4 | 2012–2019 |
| Dibromochloromethane | 33.505 µg/L No EPA limit set
worst single sample: 46.8 µg/L | 68/74 | SYR4 | 2012–2019 |
| Chloroform | 7.38 µg/L No EPA limit set
worst single sample: 11.8 µg/L | 65/74 | SYR4 | 2012–2019 |
| Bromodichloromethane | 11.4 µg/L No EPA limit set
worst single sample: 15.5 µg/L | 61/74 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 38.32 µg/L 64% of the EPA limit 60 µg/L
worst single sample: 50.6 µg/L | 45/74 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 19.55 µg/L No EPA limit set
worst single sample: 22.6 µg/L | 43/74 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 9.3525 µg/L No EPA limit set
worst single sample: 10.5 µg/L | 36/74 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 8.56 µg/L No EPA limit set
worst single sample: 10.4 µg/L | 26/74 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 9.153 µg/L No EPA limit set
worst single sample: 10.8 µg/L | 23/74 | SYR4 | 2012–2019 |
| Lead | 18.5 µg/L 123% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 28 µg/L | 20/36 | SYR4 | 2013–2019 |
| Monobromoacetic Acid | 8.05 µg/L No EPA limit set
worst single sample: 12.1 µg/L | 19/74 | SYR4 | 2012–2019 |
| Copper | 920 µg/L 71% of the EPA limit 1300 µg/L
worst single sample: 1200 µg/L | 15/36 | SYR4 | 2013–2019 |
| Fluoride | 716.5 µg/L 18% of the EPA limit 4000 µg/L
worst single sample: 720 µg/L | 8/8 | SYR4 | 2012–2018 |
| Lead | 0.0023 mg/L 15% of the EPA limit 0.0150 mg/L | 8/8 | LCR | 2025 |
| Barium | 15 µg/L 0.8% of the EPA limit 2000 µg/L | 6/8 | SYR4 | 2012–2018 |
| Arsenic | 3 µg/L 30% of the EPA limit 10 µg/L | 3/8 | SYR4 | 2012–2018 |
| Di(2-ethylhexyl) Phthalate | 0.8800 µg/L 15% of the EPA limit 6 µg/L
worst single sample: 0.9100 µg/L | 3/9 | SYR4 | 2012–2018 |
| Combined Radium (-226 And -228) | 2.5386 pCi/L 51% of the EPA limit 5 pCi/L
worst single sample: 2.64 pCi/L | 2/5 | SYR4 | 2016–2018 |
| Gross Beta Particle Activity | 1.9645 pCi/L No EPA limit set
worst single sample: 1.99 pCi/L | 2/10 | SYR4 | 2012–2018 |
| Dalapon | 3.11 µg/L 1.6% of the EPA limit 200 µg/L | 1/10 | SYR4 | 2012–2018 |
| Mercury | 1 µg/L 50% of the EPA limit 2 µg/L | 1/8 | SYR4 | 2012–2018 |
58 contaminants tested, none detected
Utility contact
Frequently asked questions about Prairie Road Water District
Is Prairie Road Water District tap water safe to drink?
EPA monitoring detected 22 contaminants in Prairie Road Water District'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 Road Water District's water?
EPA monitoring detected TTHM, Bromoform, Dibromochloromethane, Chloroform, Bromodichloromethane, and others. The full list with the level and data source for each is above.
How many people does Prairie Road Water District serve?
Prairie Road Water District reports serving 2,598 people in Louisiana, per its EPA record.
Has Prairie Road Water District had any water quality violations?
The EPA has 341 violations on file for Prairie Road Water District, of which 297 are health-based (a contaminant limit or required treatment was breached) and 9 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.