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 |
|---|---|---|---|
| TT | Health-based | Resolved | 2025-01-01 → 2025-01-31 |
| TT | Health-based | Resolved | 2025-01-01 → 2025-01-31 |
| TT | Health-based | Resolved | 2025-01-01 → 2025-01-31 |
| TT | Health-based | Resolved | 2025-01-01 → 2025-01-31 |
| TT | Health-based | Resolved | 2025-01-01 → 2025-01-31 |
| TT | Health-based | Resolved | 2024-02-01 → 2024-02-29 |
| TT | Health-based | Resolved | 2024-02-01 → 2024-02-29 |
| TT | Health-based | Resolved | 2024-02-01 → 2024-02-29 |
| TT | Health-based | Resolved | 2024-02-01 → 2024-02-29 |
| TT | Health-based | Resolved | 2013-11-01 → 2013-11-30 |
PFAS detected
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| Pfba | 0.0055 µg/L | 1/3 | 2024 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 10.5 µg/L No EPA limit set
worst single sample: 12 µg/L | 243/243 | SYR4 | 2012–2019 |
| Chloroform | 25.29 µg/L No EPA limit set
worst single sample: 34.5 µg/L | 243/243 | SYR4 | 2012–2019 |
| TTHM | 37.63 µg/L 47% of the EPA limit 80 µg/L
worst single sample: 44.7 µg/L | 235/235 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 35.7 µg/L 60% of the EPA limit 60 µg/L
worst single sample: 45.4 µg/L | 235/235 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 24.945 µg/L No EPA limit set
worst single sample: 29.4 µg/L | 234/235 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 9.2 µg/L No EPA limit set
worst single sample: 11.5 µg/L | 226/235 | SYR4 | 2012–2019 |
| Dibromochloromethane | 3.8 µg/L No EPA limit set
worst single sample: 4.3 µg/L | 221/243 | SYR4 | 2012–2019 |
| Chlorite | 869.25 µg/L 87% of the EPA limit 1000 µg/L
worst single sample: 1000 µg/L | 216/216 | SYR4 | 2014–2019 |
| Copper | 293 µg/L 23% of the EPA limit 1300 µg/L
worst single sample: 1480 µg/L | 106/125 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 4.5 µg/L No EPA limit set
worst single sample: 7.9 µg/L | 96/235 | SYR4 | 2012–2019 |
| Lead | 15.51 µg/L 103% of the EPA limit, at the 95th percentile of samples — 15 µg/L
worst single sample: 76.1 µg/L | 64/125 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 4.78 µg/L No EPA limit set
worst single sample: 9.7 µg/L | 53/235 | SYR4 | 2012–2019 |
| Lead | 0.0024 mg/L 16% of the EPA limit 0.0150 mg/L | 18/18 | LCR | 2025 |
| Nitrate | 190 µg/L 1.9% of the EPA limit 10000 µg/L | 18/20 | SYR4 | 2012–2019 |
| Fluoride | 829.5 µg/L 21% of the EPA limit 4000 µg/L
worst single sample: 840 µg/L | 8/8 | SYR4 | 2012–2019 |
| Barium | 75.54 µg/L 3.8% of the EPA limit 2000 µg/L
worst single sample: 86.7 µg/L | 7/7 | SYR4 | 2013–2019 |
| Cyanide | 127 µg/L 64% of the EPA limit 200 µg/L
worst single sample: 130 µg/L | 4/6 | SYR4 | 2014–2019 |
| Di(2-ethylhexyl) Phthalate | 6.16 µg/L 103% of the EPA limit, at the 95th percentile of samples — 6 µg/L
worst single sample: 6.4 µg/L | 2/28 | SYR4 | 2012–2019 |
| Nitrite | 20 µg/L 2% of the EPA limit 1000 µg/L | 1/1 | SYR4 | 2013 |
88 contaminants tested, none detected
Utility contact
Frequently asked questions about City of Port Arthur
Is City of Port Arthur tap water safe to drink?
EPA monitoring detected 20 contaminants in City of Port Arthur'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 City of Port Arthur's water?
EPA monitoring detected Bromodichloromethane, Chloroform, TTHM, Total Haloacetic Acids (HAA5), Dichloroacetic Acid, and others. The full list with the level and data source for each is above.
How many people does City of Port Arthur serve?
City of Port Arthur reports serving 56,039 people in Texas, per its EPA record.
Has City of Port Arthur had any water quality violations?
The EPA has 33 violations on file for City of Port Arthur, of which 21 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.