Tract 180 Mutual Water Co.
PWSID CA1910159 · Cudahy, California · serves 14,000 people · groundwater source
D
Poor
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 24 ppt | 4 ppt | 9/20/2024 |
| PFOS | 22 ppt | 4 ppt | 3/27/2024 |
| PFOS | 22 ppt | 4 ppt | 9/20/2024 |
| PFOS | 21 ppt | 4 ppt | 3/27/2024 |
| PFOA | 6.5 ppt | 4 ppt | 3/27/2024 |
| PFOA | 6.4 ppt | 4 ppt | 9/20/2024 |
| PFOA | 6 ppt | 4 ppt | 9/20/2024 |
| PFHxS | 5.9 ppt | 10 ppt | 9/20/2024 |
| PFOA | 5.8 ppt | 4 ppt | 3/27/2024 |
| PFHxS | 4.6 ppt | 10 ppt | 3/27/2024 |
| PFHxS | 4.5 ppt | 10 ppt | 3/27/2024 |
| PFHxS | 4.5 ppt | 10 ppt | 9/20/2024 |
| PFHxA | 3.1 ppt | — | 9/20/2024 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2024-02-01 | Revised Total Coliform Rule | MON | No | Resolved |