Piedmont Municipal Authority
PWSID OK2000909 · Piedmont, Oklahoma · serves 7,542 people · surface water source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 5.9 ppt | — | 1/11/2023 |
| PFBA | 5 ppt | — | 10/4/2023 |
| PFPeA | 3.6 ppt | — | 1/11/2023 |
| PFHxA | 3.3 ppt | — | 1/11/2023 |
| PFPeA | 3.1 ppt | — | 8/16/2023 |
| PFPeA | 3 ppt | — | 4/12/2023 |
| PFPeA | 3 ppt | — | 10/4/2023 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2026-01-01 | TTHM | MR | No | Unaddressed |
| 2026-01-01 | Total Haloacetic Acids (HAA5) | MR | No | Unaddressed |
| 2025-07-01 | Gross Alpha, Excl. Radon and U | MR | No | Archived |
| 2025-07-01 | Combined Uranium | MR | No | Archived |
| 2025-07-01 | Combined Radium (-226 and -228) | MR | No | Archived |
| 2025-07-01 | Gross Beta Particle Activity | MR | No | Archived |
| 2025-04-01 | Gross Alpha, Excl. Radon and U | MR | No | Archived |
| 2025-04-01 | Combined Uranium | MR | No | Archived |
| 2025-04-01 | Combined Radium (-226 and -228) | MR | No | Archived |
| 2025-04-01 | Gross Beta Particle Activity | MR | No | Archived |
| 2024-10-17 | LEAD AND COPPER RULE REVISIONS | TT | Yes | Resolved |
| 2024-10-17 | LEAD AND COPPER RULE REVISIONS | RPT | No | Resolved |
| 2024-08-01 | Chlorine | MR | No | Resolved |
| 2024-08-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2024-01-01 | Gross Alpha, Excl. Radon and U | MCL | Yes | Resolved |
| 2024-01-01 | Glyphosate | MR | No | Resolved |
| 2024-01-01 | Glyphosate | MR | No | Resolved |
| 2024-01-01 | Simazine | MR | No | Resolved |
| 2024-01-01 | Simazine | MR | No | Resolved |
| 2024-01-01 | 2,4-D | MR | No | Resolved |
| 2024-01-01 | 2,4-D | MR | No | Resolved |
| 2023-12-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2023-10-01 | Chlorine | MR | No | Resolved |
| 2023-10-01 | Gross Alpha, Excl. Radon and U | MCL | Yes | Resolved |
| 2023-07-01 | Gross Alpha, Excl. Radon and U | MCL | Yes | Resolved |
| 2023-06-01 | TTHM | MR | No | Resolved |
| 2023-06-01 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |
| 2022-01-01 | Glyphosate | MR | No | Resolved |
| 2022-01-01 | Simazine | MR | No | Resolved |
| 2022-01-01 | Simazine | MR | No | Resolved |