Rolling Oaks Subdivision
PWSID FL6090150 · St. Louis, Missouri · serves 11,572 people · groundwater source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 5.4 ppt | 4 ppt | 4/15/2026 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-06-01 | E. COLI | MR | No | Resolved |
| 2025-03-01 | E. COLI | MR | No | Resolved |
| 2024-09-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2024-07-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2024-07-01 | E. COLI | MR | No | Resolved |
| 2024-03-01 | E. COLI | MR | No | Resolved |
| 2024-01-01 | E. COLI | MR | No | Resolved |
| 2023-01-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2022-01-01 | Lead and Copper Rule | MR | No | Resolved |