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 | Resolved | 2025-04-01 → 2025-06-30 |
| MCL | Health-based | Resolved | 2025-04-01 → 2025-06-30 |
| MCL | Health-based | Resolved | 2025-01-01 → 2025-03-31 |
| MCL | Health-based | Resolved | 2025-01-01 → 2025-03-31 |
| TT | Health-based | Unaddressed | 2024-10-17 |
| MCL | Health-based | Resolved | 2024-10-01 → 2024-12-31 |
| MCL | Health-based | Resolved | 2024-10-01 → 2024-12-31 |
| MCL | Health-based | Resolved | 2024-07-01 → 2024-09-30 |
| MCL | Health-based | Resolved | 2024-07-01 → 2024-09-30 |
| MCL | Health-based | Resolved | 2024-04-01 → 2024-06-30 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Combined Uranium | 32.78 µg/L 109% of the EPA limit, at the 95th percentile of samples — 30 µg/L
worst single sample: 34.27 µg/L | 55/55 | SYR4 | 2012–2019 |
| Nitrate | 2615 µg/L 26% of the EPA limit 10000 µg/L
worst single sample: 2900 µg/L | 40/40 | SYR4 | 2013–2019 |
| Lead | 0.0061 mg/L 41% of the EPA limit 0.0150 mg/L | 17/17 | LCR | 2023 |
| Barium | 58.5 µg/L 2.9% of the EPA limit 2000 µg/L
worst single sample: 60 µg/L | 6/6 | SYR4 | 2013–2019 |
| Fluoride | 585 µg/L 15% of the EPA limit 4000 µg/L
worst single sample: 610 µg/L | 6/6 | SYR4 | 2013–2019 |
| Bromodichloromethane | 2.19 µg/L No EPA limit set
worst single sample: 2.2 µg/L | 3/5 | SYR4 | 2015–2019 |
| Bromoform | 6.05 µg/L No EPA limit set
worst single sample: 6.3 µg/L | 3/5 | SYR4 | 2015–2019 |
| Dibromoacetic Acid | 2.85 µg/L No EPA limit set
worst single sample: 2.9 µg/L | 3/5 | SYR4 | 2015–2019 |
| Dibromochloromethane | 5.73 µg/L No EPA limit set
worst single sample: 5.9 µg/L | 3/5 | SYR4 | 2015–2019 |
| TTHM | 14.5 µg/L 18% of the EPA limit 80 µg/L
worst single sample: 15 µg/L | 3/5 | SYR4 | 2015–2019 |
| Total Haloacetic Acids (HAA5) | 8.04 µg/L 13% of the EPA limit 60 µg/L
worst single sample: 8.3 µg/L | 3/5 | SYR4 | 2015–2019 |
| Trichloroacetic Acid | 6.15 µg/L No EPA limit set
worst single sample: 6.3 µg/L | 2/5 | SYR4 | 2015–2019 |
| 1,2-Dichloroethane | 0.5000 µg/L 10% of the EPA limit 5 µg/L | 1/4 | SYR4 | 2013–2019 |
| Copper | 67 µg/L 5.2% of the EPA limit 1300 µg/L | 1/6 | SYR4 | 2013–2019 |
| Chloroform | 0.6400 µg/L No EPA limit set | 1/5 | SYR4 | 2015–2019 |
| Lead | 24 µg/L 160% of the EPA limit, at the 95th percentile of samples — 15 µg/L | 1/6 | SYR4 | 2013–2019 |
36 contaminants tested, none detected
Utility contact
Frequently asked questions about Tradewind Water Assoc.
Is Tradewind Water Assoc. tap water safe to drink?
EPA monitoring detected 16 contaminants in Tradewind Water Assoc.'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 Tradewind Water Assoc.'s water?
EPA monitoring detected Combined Uranium, Nitrate, Lead, Barium, Fluoride, and others. The full list with the level and data source for each is above.
How many people does Tradewind Water Assoc. serve?
Tradewind Water Assoc. reports serving 632 people in California, per its EPA record.
Has Tradewind Water Assoc. had any water quality violations?
The EPA has 74 violations on file for Tradewind Water Assoc., of which 47 are health-based (a contaminant limit or required treatment was breached) and 2 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.