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 | 2000-01-01 → 2000-01-31 |
| MCL | Health-based | Resolved | 2000-01-01 → 2000-01-31 |
PFAS detected
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| Pfba | 0.0058 µg/L | 1/8 | 2023 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 23.305 µg/L No EPA limit set
worst single sample: 28.4 µg/L | 112/112 | SYR4 | 2012–2019 |
| Chloroform | 27 µg/L No EPA limit set
worst single sample: 31.9 µg/L | 112/112 | SYR4 | 2012–2019 |
| Dibromochloromethane | 23.715 µg/L No EPA limit set
worst single sample: 31.8 µg/L | 112/112 | SYR4 | 2012–2019 |
| TTHM | 73.03 µg/L 91% of the EPA limit 80 µg/L
worst single sample: 85 µg/L | 112/112 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 35.945 µg/L 60% of the EPA limit 60 µg/L
worst single sample: 64.1 µg/L | 112/112 | SYR4 | 2012–2019 |
| Bromoform | 7.595 µg/L No EPA limit set
worst single sample: 77 µg/L | 111/112 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 18.9 µg/L No EPA limit set
worst single sample: 42.5 µg/L | 111/112 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 15.115 µg/L No EPA limit set
worst single sample: 29 µg/L | 110/112 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 9.96 µg/L No EPA limit set
worst single sample: 13.8 µg/L | 101/112 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 29/29 | LCR | 2023 |
| Lithium | 48 µg/L No EPA limit set | 6/8 | UCMR-5 | 2023 |
| Nitrate | 2800 µg/L 28% of the EPA limit 10000 µg/L | 4/4 | SYR4 | 2019 |
| Barium | 70.8 µg/L 3.5% of the EPA limit 2000 µg/L
worst single sample: 74 µg/L | 2/2 | SYR4 | 2019 |
| Fluoride | 782 µg/L 20% of the EPA limit 4000 µg/L
worst single sample: 810 µg/L | 2/2 | SYR4 | 2019 |
| Lead | 6.8 µg/L 45% of the EPA limit 15 µg/L | 1/1 | SYR4 | 2019 |
| Nitrite | 0.0230 µg/L 0% of the EPA limit 1000 µg/L | 1/2 | SYR4 | 2019 |
38 contaminants tested, none detected
Utility contact
Frequently asked questions about South Coast Water District
Is South Coast Water District tap water safe to drink?
EPA monitoring detected 17 contaminants in South Coast 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 South Coast Water District's water?
EPA monitoring detected Bromodichloromethane, Chloroform, Dibromochloromethane, TTHM, Total Haloacetic Acids (HAA5), and others. The full list with the level and data source for each is above.
How many people does South Coast Water District serve?
South Coast Water District reports serving 41,118 people in California, per its EPA record.
Has South Coast Water District had any water quality violations?
The EPA has 2 violations on file for South Coast Water District, of which 2 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.