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 | 1999-11-01 → 1999-11-30 |
| MCL | Health-based | Resolved | 1999-11-01 → 1999-11-30 |
| MCL | Health-based | Resolved | 1993-01-01 → 1993-01-31 |
| MCL | Health-based | Resolved | 1993-01-01 → 1993-01-31 |
| MON | Monitoring | Resolved | 2022-05-01 → 2022-05-31 |
| MON | Monitoring | Resolved | 2022-05-01 → 2022-05-31 |
| MR | Monitoring | Resolved | 2002-11-01 → 2002-11-30 |
| MR | Monitoring | Resolved | 2002-11-01 → 2002-11-30 |
| MR | Monitoring | Resolved | 1993-06-30 → 2000-03-01 |
Other contaminants detected
| Contaminant | Level vs EPA limit | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 19.47 µg/L No EPA limit set
worst single sample: 32.4 µg/L | 64/64 | SYR4 | 2012–2019 |
| Bromoform | 8.503 µg/L No EPA limit set
worst single sample: 12.9 µg/L | 64/64 | SYR4 | 2012–2019 |
| Chloroform | 19.07 µg/L No EPA limit set
worst single sample: 39.5 µg/L | 64/64 | SYR4 | 2012–2019 |
| Dibromochloromethane | 19.655 µg/L No EPA limit set
worst single sample: 26.9 µg/L | 64/64 | SYR4 | 2012–2019 |
| TTHM | 60.91 µg/L 76% of the EPA limit 80 µg/L
worst single sample: 103 µg/L | 64/64 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 11.06 µg/L No EPA limit set
worst single sample: 17.7 µg/L | 63/63 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 18.36 µg/L 31% of the EPA limit 60 µg/L
worst single sample: 28.9 µg/L | 63/63 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 4.629 µg/L No EPA limit set
worst single sample: 7 µg/L | 63/63 | SYR4 | 2012–2019 |
| Dibromoacetic Acid | 4.6685 µg/L No EPA limit set
worst single sample: 5.36 µg/L | 62/63 | SYR4 | 2012–2019 |
| Lead | 0.0013 mg/L 8.7% of the EPA limit 0.0150 mg/L | 21/21 | LCR | 2027 |
| Copper | 1224.5 µg/L 94% of the EPA limit 1300 µg/L
worst single sample: 1420 µg/L | 18/18 | SYR4 | 2015 |
| Lithium | 48.1 µg/L No EPA limit set | 4/4 | UCMR-5 | 2025 |
| Monobromoacetic Acid | 2.3945 µg/L No EPA limit set
worst single sample: 2.43 µg/L | 2/63 | SYR4 | 2012–2019 |
| Lead | 15 µg/L 100% of the EPA limit 15 µg/L | 1/18 | SYR4 | 2015 |
30 contaminants tested, none detected
Utility contact
Frequently asked questions about Del Mar, City of
Is Del Mar, City of tap water safe to drink?
EPA monitoring detected 14 contaminants in Del Mar, City of'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 Del Mar, City of's water?
EPA monitoring detected Bromodichloromethane, Bromoform, Chloroform, Dibromochloromethane, TTHM, and others. The full list with the level and data source for each is above.
How many people does Del Mar, City of serve?
Del Mar, City of reports serving 3,919 people in California, per its EPA record.
Has Del Mar, City of had any water quality violations?
The EPA has 9 violations on file for Del Mar, City of, of which 4 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.