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 | Archived | 2017-12-01 → 2017-12-31 |
| MON | Monitoring | Archived | 2017-12-01 → 2017-12-31 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 13 µg/L No EPA limit set
worst single sample: 13.2 µg/L | 37/37 | SYR4 | 2015–2019 |
| Chloroform | 30.18 µg/L No EPA limit set
worst single sample: 35 µg/L | 37/37 | SYR4 | 2015–2019 |
| Dichloroacetic Acid | 21.44 µg/L No EPA limit set
worst single sample: 23 µg/L | 37/37 | SYR4 | 2015–2019 |
| TTHM | 46.34 µg/L 58% of the EPA limit 80 µg/L
worst single sample: 50.1 µg/L | 37/37 | SYR4 | 2015–2019 |
| Total Haloacetic Acids (HAA5) | 38.12 µg/L 64% of the EPA limit 60 µg/L
worst single sample: 43.2 µg/L | 37/37 | SYR4 | 2015–2019 |
| Trichloroacetic Acid | 15.6 µg/L No EPA limit set
worst single sample: 18 µg/L | 37/37 | SYR4 | 2015–2019 |
| Dibromochloromethane | 4.425 µg/L No EPA limit set
worst single sample: 4.6 µg/L | 36/37 | SYR4 | 2015–2019 |
| Dibromoacetic Acid | 2.235 µg/L No EPA limit set
worst single sample: 2.7 µg/L | 34/37 | SYR4 | 2015–2019 |
| Monochloroacetic Acid | 2.4 µg/L No EPA limit set | 16/37 | SYR4 | 2015–2019 |
| Copper | 935 µg/L 72% of the EPA limit 1300 µg/L
worst single sample: 1000 µg/L | 14/40 | SYR4 | 2016–2019 |
| Monobromoacetic Acid | 5.1 µg/L No EPA limit set
worst single sample: 5.2 µg/L | 6/37 | SYR4 | 2015–2019 |
| Lead | 2.8 µg/L 19% of the EPA limit 15 µg/L
worst single sample: 3 µg/L | 5/40 | SYR4 | 2016–2019 |
| Lead | 0.00030 mg/L 2% of the EPA limit 0.0150 mg/L | 4/4 | LCR | 2025 |
28 contaminants tested, none detected
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Frequently asked questions about St Mary Parish W&S #2 Bayou Vista
Is St Mary Parish W&S #2 Bayou Vista tap water safe to drink?
EPA monitoring detected 16 contaminants in St Mary Parish W&S #2 Bayou Vista'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 St Mary Parish W&S #2 Bayou Vista's water?
EPA monitoring detected Bromodichloromethane, Chloroform, Dichloroacetic Acid, TTHM, Total Haloacetic Acids (HAA5), and others. The full list with the level and data source for each is above.
How many people does St Mary Parish W&S #2 Bayou Vista serve?
St Mary Parish W&S #2 Bayou Vista reports serving 5,379 people in Louisiana, per its EPA record.
Has St Mary Parish W&S #2 Bayou Vista had any water quality violations?
The EPA has 2 violations on file for St Mary Parish W&S #2 Bayou Vista, 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.