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 | 1992-03-01 → 1992-03-31 |
| MCL | Health-based | Resolved | 1992-03-01 → 1992-03-31 |
PFAS detected
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| Pfhpa | 0.0070 µg/L | 4/19 | 2024 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 4185 µg/L 42% of the EPA limit 10000 µg/L
worst single sample: 5800 µg/L | 72/322 | SYR4 | 2012–2019 |
| Bromoform | 69.7 µg/L No EPA limit set
worst single sample: 120 µg/L | 67/72 | SYR4 | 2013–2019 |
| TTHM | 117 µg/L 146% of the EPA limit, at the 95th percentile of samples — 80 µg/L
worst single sample: 160 µg/L | 67/72 | SYR4 | 2013–2019 |
| Dibromoacetic Acid | 32 µg/L No EPA limit set
worst single sample: 41 µg/L | 66/66 | SYR4 | 2014–2019 |
| Total Haloacetic Acids (HAA5) | 39.75 µg/L 66% of the EPA limit 60 µg/L
worst single sample: 54 µg/L | 66/66 | SYR4 | 2014–2019 |
| Dibromochloromethane | 35.8 µg/L No EPA limit set
worst single sample: 43 µg/L | 65/72 | SYR4 | 2013–2019 |
| Fluoride | 794 µg/L 20% of the EPA limit 4000 µg/L
worst single sample: 870 µg/L | 53/58 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 5.42 µg/L No EPA limit set
worst single sample: 6.8 µg/L | 49/66 | SYR4 | 2014–2019 |
| Bromodichloromethane | 10 µg/L No EPA limit set
worst single sample: 14 µg/L | 41/72 | SYR4 | 2013–2019 |
| Monobromoacetic Acid | 3.7 µg/L No EPA limit set
worst single sample: 3.8 µg/L | 32/66 | SYR4 | 2014–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 27/27 | LCR | 2023 |
| Barium | 221 µg/L 11% of the EPA limit 2000 µg/L
worst single sample: 230 µg/L | 19/54 | SYR4 | 2012–2019 |
| Combined Uranium | 3.874 µg/L 13% of the EPA limit 30 µg/L | 15/40 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 2.18 µg/L No EPA limit set
worst single sample: 2.3 µg/L | 13/66 | SYR4 | 2014–2019 |
| Chloroform | 2.445 µg/L No EPA limit set
worst single sample: 2.5 µg/L | 12/72 | SYR4 | 2013–2019 |
| Lithium | 52.9 µg/L No EPA limit set | 12/20 | UCMR-5 | 2024 |
| Nitrate-Nitrite | 4365 µg/L 44% of the EPA limit 10000 µg/L
worst single sample: 5800 µg/L | 8/22 | SYR4 | 2012–2019 |
| Arsenic | 5.625 µg/L 56% of the EPA limit 10 µg/L
worst single sample: 6 µg/L | 6/55 | SYR4 | 2012–2019 |
| Gross Beta Particle Activity | 375 pCi/L No EPA limit set
worst single sample: 390 pCi/L | 4/4 | SYR4 | 2014–2016 |
| Tetrachloroethylene | 4.34 µg/L 87% of the EPA limit 5 µg/L
worst single sample: 4.5 µg/L | 2/104 | SYR4 | 2012–2019 |
| Toluene | 1.5655 µg/L 0.2% of the EPA limit 1000 µg/L
worst single sample: 1.6 µg/L | 2/104 | SYR4 | 2012–2019 |
| Copper | 140 µg/L 11% of the EPA limit 1300 µg/L | 1/66 | SYR4 | 2012–2019 |
| Chromium | 11 µg/L 11% of the EPA limit 100 µg/L | 1/57 | SYR4 | 2012–2019 |
| Selenium | 12 µg/L 24% of the EPA limit 50 µg/L | 1/57 | SYR4 | 2012–2019 |
| Trichloroethylene | 2 µg/L 40% of the EPA limit 5 µg/L | 1/104 | SYR4 | 2012–2019 |
86 contaminants tested, none detected
Utility contact
Frequently asked questions about So. Cal. Edison Co.-Santa Catalina
Is So. Cal. Edison Co.-Santa Catalina tap water safe to drink?
EPA monitoring detected 26 contaminants in So. Cal. Edison Co.-Santa Catalina'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 So. Cal. Edison Co.-Santa Catalina's water?
EPA monitoring detected Nitrate, Bromoform, TTHM, Dibromoacetic Acid, Total Haloacetic Acids (HAA5), and others. The full list with the level and data source for each is above.
How many people does So. Cal. Edison Co.-Santa Catalina serve?
So. Cal. Edison Co.-Santa Catalina reports serving 3,822 people in California, per its EPA record.
Has So. Cal. Edison Co.-Santa Catalina had any water quality violations?
The EPA has 2 violations on file for So. Cal. Edison Co.-Santa Catalina, 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.