What was found in South Gate's water
The highest level seen across the city's suppliers, the EPA limit for each, and where the figure comes from.
| Contaminant | Level vs EPA limit | Suppliers | Source |
|---|---|---|---|
| Nitrate-Nitrite | 460000 µg/L 4600% of the EPA limit, in the worst sample — 10000 µg/L | 1/1 | SYR4 |
| Nitrate | 2400 µg/L 24% of the EPA limit 10000 µg/L | 1/1 | SYR4 |
| Fluoride | 470 µg/L 12% of the EPA limit 4000 µg/L | 1/1 | SYR4 |
| Barium | 290 µg/L 14% of the EPA limit 2000 µg/L | 1/1 | SYR4 |
| Total Haloacetic Acids (HAA5) | 57.81 µg/L 96% of the EPA limit 60 µg/L | 1/1 | SYR4 |
| TTHM | 15 µg/L 19% of the EPA limit 80 µg/L | 1/1 | SYR4 |
| Chromium | 10 µg/L 10% of the EPA limit 100 µg/L | 1/1 | SYR4 |
| Tetrachloroethylene | 9.26 µg/L 185% of the EPA limit, in the worst sample — 5 µg/L | 1/1 | SYR4 |
| Combined Uranium | 6.109 µg/L 20% of the EPA limit 30 µg/L | 1/1 | SYR4 |
| Trichloroethylene | 6.1 µg/L 122% of the EPA limit, in the worst sample — 5 µg/L | 1/1 | SYR4 |
| Dibromochloromethane | 6 µg/L No EPA limit set | 1/1 | SYR4 |
| Bromoform | 5.9 µg/L No EPA limit set | 1/1 | SYR4 |
| Gross Beta Particle Activity | 3.8 pCi/L No EPA limit set | 1/1 | SYR4 |
| Arsenic | 2.8 µg/L 28% of the EPA limit 10 µg/L | 1/1 | SYR4 |
| Copper | 2.7 µg/L 0.2% of the EPA limit 1300 µg/L | 1/1 | SYR4 |
| Bromodichloromethane | 2.2 µg/L No EPA limit set | 1/1 | SYR4 |
| Dibromoacetic Acid | 1.8 µg/L No EPA limit set | 1/1 | SYR4 |
| Trichloroacetic Acid | 1.5 µg/L No EPA limit set | 1/1 | SYR4 |
| Monobromoacetic Acid | 1.34 µg/L No EPA limit set | 1/1 | SYR4 |
| Dichloromethane | 1 µg/L 20% of the EPA limit 5 µg/L | 1/1 | SYR4 |
| Dichloroacetic Acid | 1 µg/L No EPA limit set | 1/1 | SYR4 |
| Monochloroacetic Acid | 1 µg/L No EPA limit set | 1/1 | SYR4 |
| 1,1-Dichloroethylene | 0.8100 µg/L 12% of the EPA limit 7 µg/L | 1/1 | SYR4 |
| Chloroform | 0.2000 µg/L No EPA limit set | 1/1 | SYR4 |
| PFOS | 0.0260 µg/L No EPA limit set | 1/1 | UCMR-5 |
| PFOA | 0.0100 µg/L No EPA limit set | 1/1 | UCMR-5 |
| Pfpea | 0.0063 µg/L No EPA limit set | 1/1 | UCMR-5 |
| Pfhxa | 0.0061 µg/L No EPA limit set | 1/1 | UCMR-5 |
| PFHXS | 0.0060 µg/L No EPA limit set | 1/1 | UCMR-5 |
| PFBS | 0.0039 µg/L No EPA limit set | 1/1 | UCMR-5 |
| Lead | 0.0 mg/L 0% of the EPA limit 0.0150 mg/L | 1/1 | LCR |
Water suppliers serving South Gate
| Supplier | Population served |
|---|---|
| SOUTH GATE-CITY, WATER DEPT. | 76,443 |
Frequently asked questions about South Gate tap water
Is South Gate tap water safe to drink?
EPA testing detected 31 contaminants in the water serving South Gate. 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 South Gate?
1 public water supplier report drinking-water monitoring for South Gate, California to the EPA. Each is listed above with its population served.
What contaminants are in South Gate's water?
The contaminants EPA monitoring detected in South Gate include Nitrate-Nitrite, Nitrate, Fluoride, Barium, Total Haloacetic Acids (HAA5). The full list, with the highest level found 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.