Tri-County Rwd #2
PWSID OK2006362 · Earlsboro, Oklahoma · serves 5,172 people · groundwater source
F
Failing
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFHxS | 22 ppt | 10 ppt | 4/14/2025 |
| PFHxS | 22 ppt | 10 ppt | 10/14/2025 |
| PFHxS | 12 ppt | 10 ppt | 10/14/2025 |
| PFHxS | 9.4 ppt | 10 ppt | 4/14/2025 |
| PFOS | 6 ppt | 4 ppt | 10/14/2025 |
| PFOS | 4.5 ppt | 4 ppt | 4/14/2025 |
| PFOS | 4.1 ppt | 4 ppt | 10/14/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2024-10-17 | LEAD AND COPPER RULE REVISIONS | TT | Yes | Resolved |
| 2024-10-17 | LEAD AND COPPER RULE REVISIONS | RPT | No | Resolved |
| 2024-04-01 | Nitrate-Nitrite | MR | No | Resolved |
| 2023-01-01 | CYANIDE | MR | No | Archived |
| 2023-01-01 | CYANIDE | MR | No | Archived |