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 |
|---|---|---|---|
| MR | Monitoring | Resolved | 2015-09-01 → 2015-09-30 |
| MR | Monitoring | Resolved | 2015-09-01 → 2015-09-30 |
| MR | Monitoring | Resolved | 2013-12-01 → 2013-12-31 |
| MR | Monitoring | Resolved | 2013-12-01 → 2013-12-31 |
| MR | Monitoring | Resolved | 2013-07-01 → 2013-07-31 |
| MR | Monitoring | Resolved | 2013-07-01 → 2013-07-31 |
| MR | Monitoring | Resolved | 2013-07-01 → 2013-07-31 |
| MR | Monitoring | Resolved | 2013-07-01 → 2013-07-31 |
| MR | Monitoring | Resolved | 2012-01-01 → 2012-12-31 |
| MR | Monitoring | Resolved | 2012-01-01 → 2012-12-31 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 54.35 µg/L 68% of the EPA limit 80 µg/L
worst single sample: 126.1 µg/L | 191/240 | SYR4 | 2012–2019 |
| Dibromochloromethane | 14.73 µg/L No EPA limit set
worst single sample: 38.8 µg/L | 168/240 | SYR4 | 2012–2019 |
| Bromoform | 35.51 µg/L No EPA limit set
worst single sample: 77.1 µg/L | 167/240 | SYR4 | 2012–2019 |
| Bromodichloromethane | 11.97 µg/L No EPA limit set
worst single sample: 25.5 µg/L | 154/240 | SYR4 | 2012–2019 |
| Chloroform | 13.33 µg/L No EPA limit set
worst single sample: 18.5 µg/L | 139/240 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 16.19 µg/L 27% of the EPA limit 60 µg/L
worst single sample: 29 µg/L | 135/240 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 6.615 µg/L No EPA limit set
worst single sample: 13.2 µg/L | 120/240 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 9.39 µg/L No EPA limit set
worst single sample: 12.1 µg/L | 59/240 | SYR4 | 2012–2019 |
| Nitrate | 770 µg/L 7.7% of the EPA limit 10000 µg/L
worst single sample: 926.6 µg/L | 42/332 | SYR4 | 2012–2019 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 29/29 | LCR | 2024 |
| Trichloroacetic Acid | 8.16 µg/L No EPA limit set
worst single sample: 9.1 µg/L | 25/240 | SYR4 | 2012–2019 |
| Fluoride | 550 µg/L 14% of the EPA limit 4000 µg/L
worst single sample: 560 µg/L | 22/22 | SYR4 | 2012–2019 |
| Nitrite | 42.2 µg/L 4.2% of the EPA limit 1000 µg/L
worst single sample: 43 µg/L | 17/163 | SYR4 | 2012–2019 |
| Combined Uranium | 6.42935 µg/L 21% of the EPA limit 30 µg/L
worst single sample: 7.301 µg/L | 14/17 | SYR4 | 2013–2019 |
| Nitrate-Nitrite | 457000 µg/L 4570% of the EPA limit, at the 95th percentile of samples — 10000 µg/L
worst single sample: 460000 µg/L | 3/21 | SYR4 | 2013–2019 |
| Lithium | 56.3 µg/L No EPA limit set | 3/7 | UCMR-5 | 2025 |
| Lead | 6.8 µg/L 45% of the EPA limit 15 µg/L | 1/22 | SYR4 | 2012–2019 |
| Monochloroacetic Acid | 2.2 µg/L No EPA limit set | 1/240 | SYR4 | 2012–2019 |
93 contaminants tested, none detected
Utility contact
Frequently asked questions about City of La Habra
Is City of La Habra tap water safe to drink?
EPA monitoring detected 18 contaminants in City of La Habra'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 La Habra's water?
EPA monitoring detected TTHM, Dibromochloromethane, Bromoform, Bromodichloromethane, Chloroform, and others. The full list with the level and data source for each is above.
How many people does City of La Habra serve?
City of La Habra reports serving 63,118 people in California, per its EPA record.
Has City of La Habra had any water quality violations?
The EPA has 96 violations on file for City of La Habra, of which 0 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.