What was found in Torrance's water
The level at the city's main supplier, the highest level anywhere in the city, the EPA limit for each, and where every figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| TTHM | 71 µg/L 89% of the EPA limit 80 µg/L Main supplier: TORRANCE-CITY, WATER DEPT. · 106,183 people · 2019 | 1/1 | SYR4 |
| Lithium | 58 µg/L No EPA limit set Main supplier: TORRANCE-CITY, WATER DEPT. · 106,183 people · 2023 | 1/1 | UCMR-5 |
| Bromoform | 42.08 µg/L No EPA limit set Main supplier: TORRANCE-CITY, WATER DEPT. · 106,183 people · 2019 | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 19.01 µg/L 32% of the EPA limit 60 µg/L Main supplier: TORRANCE-CITY, WATER DEPT. · 106,183 people · 2019 | 1/1 | SYR4 |
| Dibromochloromethane | 18.445 µg/L No EPA limit set Main supplier: TORRANCE-CITY, WATER DEPT. · 106,183 people · 2019 | 1/1 | SYR4 |
| Chloroform | 17.48 µg/L No EPA limit set Main supplier: TORRANCE-CITY, WATER DEPT. · 106,183 people · 2019 | 1/1 | SYR4 |
| Bromodichloromethane | 15 µg/L No EPA limit set Main supplier: TORRANCE-CITY, WATER DEPT. · 106,183 people · 2019 | 1/1 | SYR4 |
| Dichloroacetic Acid | 10.36 µg/L No EPA limit set Main supplier: TORRANCE-CITY, WATER DEPT. · 106,183 people · 2019 | 1/1 | SYR4 |
| Dibromoacetic Acid | 8.49 µg/L No EPA limit set Main supplier: TORRANCE-CITY, WATER DEPT. · 106,183 people · 2019 | 1/1 | SYR4 |
| Trichloroacetic Acid | 5.9 µg/L No EPA limit set Main supplier: TORRANCE-CITY, WATER DEPT. · 106,183 people · 2019 | 1/1 | SYR4 |
| Monochloroacetic Acid | 4.75 µg/L No EPA limit set Main supplier: TORRANCE-CITY, WATER DEPT. · 106,183 people · 2019 | 1/1 | SYR4 |
| Monobromoacetic Acid | 2.115 µg/L No EPA limit set Main supplier: TORRANCE-CITY, WATER DEPT. · 106,183 people · 2019 | 1/1 | SYR4 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L Main supplier: TORRANCE-CITY, WATER DEPT. · 106,183 people · 2026 | 1/1 | LCR |
Water suppliers serving Torrance
| Supplier | Population served |
|---|---|
| TORRANCE-CITY, WATER DEPT. | 106,183 |
Frequently asked questions about Torrance tap water
Is Torrance tap water safe to drink?
EPA testing detected 13 contaminants in the water serving Torrance. A detection isn't the same as a violation — most detected levels are within federal limits. Check the level and source for each contaminant above, and your utility's annual Consumer Confidence Report for the official compliance status.
How many water suppliers serve Torrance?
1 public water supplier report drinking-water monitoring for Torrance, California to the EPA. Each is listed above with its population served.
What contaminants are in Torrance's water?
The contaminants EPA monitoring detected in Torrance include TTHM, Lithium, Bromoform, Total Haloacetic Acids (HAA5), Dibromochloromethane. The full list, with the level at the main supplier and the data source, is in the table above.
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.