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 | Archived | 1987-07-01 → 1987-07-31 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Fluoride | 4800 µg/L 120% of the EPA limit, at the 95th percentile of samples — 4000 µg/L
worst single sample: 6900 µg/L | 3363/3973 | SYR4 | 2012–2019 |
| Nitrate | 4200 µg/L 42% of the EPA limit 10000 µg/L
worst single sample: 4300 µg/L | 168/316 | SYR4 | 2012–2019 |
| Trichloroethylene | 6.115 µg/L 122% of the EPA limit, at the 95th percentile of samples — 5 µg/L
worst single sample: 7.7 µg/L | 98/845 | SYR4 | 2012–2019 |
| Carbon Tetrachloride | 0.8455 µg/L 17% of the EPA limit 5 µg/L
worst single sample: 1 µg/L | 90/833 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 30/30 | LCR | 2025 |
| TTHM | 4.825 µg/L 6% of the EPA limit 80 µg/L
worst single sample: 5.8 µg/L | 14/29 | SYR4 | 2014–2019 |
| Dibromochloromethane | 2.28 µg/L No EPA limit set
worst single sample: 2.7 µg/L | 13/29 | SYR4 | 2014–2019 |
| Combined Uranium | 12.1956 µg/L 41% of the EPA limit 30 µg/L
worst single sample: 14.9 µg/L | 12/12 | SYR4 | 2012–2018 |
| Nitrate-Nitrite | 820000 µg/L 8200% of the EPA limit, at the 95th percentile of samples — 10000 µg/L
worst single sample: 930000 µg/L | 12/25 | SYR4 | 2014–2017 |
| Bromoform | 1.51 µg/L No EPA limit set
worst single sample: 1.6 µg/L | 7/29 | SYR4 | 2014–2019 |
| Bromodichloromethane | 1.755 µg/L No EPA limit set
worst single sample: 1.8 µg/L | 4/29 | SYR4 | 2014–2019 |
| Dibromoacetic Acid | 1 µg/L No EPA limit set | 1/28 | SYR4 | 2014–2019 |
| Total Haloacetic Acids (HAA5) | 1 µg/L 1.7% of the EPA limit 60 µg/L | 1/28 | SYR4 | 2014–2019 |
| Xylenes, Total | 1.7 µg/L 0% of the EPA limit 10000 µg/L | 1/28 | SYR4 | 2014–2018 |
89 contaminants tested, none detected
Utility contact
Frequently asked questions about Big Bear City Csd
Is Big Bear City Csd tap water safe to drink?
EPA monitoring detected 22 contaminants in Big Bear City Csd'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 Big Bear City Csd's water?
EPA monitoring detected Fluoride, Nitrate, Trichloroethylene, Carbon Tetrachloride, Lead, and others. The full list with the level and data source for each is above.
How many people does Big Bear City Csd serve?
Big Bear City Csd reports serving 12,738 people in California, per its EPA record.
Has Big Bear City Csd had any water quality violations?
The EPA has 1 violation on file for Big Bear City Csd, of which 1 is 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.