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 |
|---|---|---|---|
| Other | Monitoring | Resolved | 2017-02-03 |
| Other | Monitoring | Resolved | 2017-02-03 |
| MR | Monitoring | Resolved | 2016-10-01 |
| MR | Monitoring | Resolved | 2016-10-01 |
| MR | Monitoring | Resolved | 2016-10-01 |
| MR | Monitoring | Resolved | 2016-10-01 |
| MR | Monitoring | Resolved | 2016-10-01 → 2016-12-31 |
| MR | Monitoring | Resolved | 2016-10-01 → 2016-12-31 |
| MR | Monitoring | Resolved | 2016-10-01 → 2016-12-31 |
| MR | Monitoring | Resolved | 2016-10-01 → 2016-12-31 |
PFAS detected
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| Pfba | 0.0066 µg/L | 1/4 | 2024 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 22.91 µg/L No EPA limit set
worst single sample: 36.5 µg/L | 107/107 | SYR4 | 2012–2019 |
| Chloroform | 35.48 µg/L No EPA limit set
worst single sample: 75.1 µg/L | 107/107 | SYR4 | 2012–2019 |
| TTHM | 64.02 µg/L 80% of the EPA limit 80 µg/L
worst single sample: 128 µg/L | 107/107 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 38.36 µg/L 64% of the EPA limit 60 µg/L
worst single sample: 65.8 µg/L | 107/107 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 11.05 µg/L No EPA limit set
worst single sample: 17.3 µg/L | 107/107 | SYR4 | 2012–2019 |
| Dibromochloromethane | 14.525 µg/L No EPA limit set
worst single sample: 16.1 µg/L | 106/107 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 23.7 µg/L No EPA limit set
worst single sample: 33.5 µg/L | 106/107 | SYR4 | 2012–2019 |
| Copper | 96.9 µg/L 7.5% of the EPA limit 1300 µg/L
worst single sample: 2490 µg/L | 82/82 | SYR4 | 2013–2017 |
| Dibromoacetic Acid | 5.435 µg/L No EPA limit set
worst single sample: 12.9 µg/L | 74/107 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 5.7 µg/L No EPA limit set
worst single sample: 14 µg/L | 61/107 | SYR4 | 2012–2019 |
| Bromoform | 3 µg/L No EPA limit set
worst single sample: 3.7 µg/L | 47/107 | SYR4 | 2012–2019 |
| Lead | 11.58 µg/L 77% of the EPA limit 15 µg/L
worst single sample: 40 µg/L | 31/82 | SYR4 | 2013–2017 |
| Monobromoacetic Acid | 1.33 µg/L No EPA limit set
worst single sample: 1.5 µg/L | 18/107 | SYR4 | 2012–2019 |
| Lead | 0.0014 mg/L 9.6% of the EPA limit 0.0150 mg/L | 13/13 | LCR | 2023 |
29 contaminants tested, none detected
Utility contact
Frequently asked questions about Tri Sud
Is Tri Sud tap water safe to drink?
EPA monitoring detected 15 contaminants in Tri Sud'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 Tri Sud's water?
EPA monitoring detected Bromodichloromethane, Chloroform, TTHM, 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 Tri Sud serve?
Tri Sud reports serving 17,641 people in Texas, per its EPA record.
Has Tri Sud had any water quality violations?
The EPA has 18 violations on file for Tri Sud, 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.