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 | 2007-12-01 → 2007-12-31 |
| MCL | Health-based | Resolved | 2007-12-01 → 2007-12-31 |
| MR | Monitoring | Resolved | 2006-09-01 → 2006-10-31 |
| MR | Monitoring | Resolved | 2006-09-01 → 2006-10-31 |
| MR | Monitoring | Resolved | 2004-06-01 → 2004-06-30 |
| MR | Monitoring | Resolved | 2004-06-01 → 2004-06-30 |
| Other | Monitoring | Resolved | 2004-01-01 |
| Other | Monitoring | Resolved | 2004-01-01 |
PFAS detected
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 48.29 µg/L 60% of the EPA limit 80 µg/L
worst single sample: 61.7 µg/L | 235/317 | SYR4 | 2012–2019 |
| Bromoform | 9.155 µg/L No EPA limit set
worst single sample: 24.3 µg/L | 230/317 | SYR4 | 2012–2019 |
| Dibromochloromethane | 15.535 µg/L No EPA limit set
worst single sample: 22.5 µg/L | 218/317 | SYR4 | 2012–2019 |
| Bromodichloromethane | 14.52 µg/L No EPA limit set
worst single sample: 21.3 µg/L | 195/317 | SYR4 | 2012–2019 |
| Chloroform | 15.08 µg/L No EPA limit set
worst single sample: 20 µg/L | 185/317 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 16.69 µg/L 28% of the EPA limit 60 µg/L
worst single sample: 27.8 µg/L | 108/240 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 5.595 µg/L No EPA limit set
worst single sample: 6.9 µg/L | 102/240 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 7.69 µg/L No EPA limit set
worst single sample: 13.4 µg/L | 82/240 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 5.78 µg/L No EPA limit set
worst single sample: 7.6 µg/L | 63/240 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 21/21 | LCR | 2024 |
| Lithium | 36.5167 µg/L No EPA limit set | 7/20 | UCMR-5 | 2025 |
| Monochloroacetic Acid | 2.285 µg/L No EPA limit set
worst single sample: 2.3 µg/L | 2/240 | SYR4 | 2012–2019 |
| Monobromoacetic Acid | 1.5 µg/L No EPA limit set | 1/240 | SYR4 | 2012–2019 |
29 contaminants tested, none detected
Utility contact
Frequently asked questions about City of Buena Park
Is City of Buena Park tap water safe to drink?
EPA monitoring detected 15 contaminants in City of Buena Park'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 City of Buena Park's water?
EPA monitoring detected TTHM, Bromoform, Dibromochloromethane, Bromodichloromethane, Chloroform, and others. The full list with the level and data source for each is above.
How many people does City of Buena Park serve?
City of Buena Park reports serving 81,998 people in California, per its EPA record.
Has City of Buena Park had any water quality violations?
The EPA has 8 violations on file for City of Buena Park, 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.