Town Of Thurmont
PWSID MD0100023 · Thurmont, Maryland · serves 6,200 people · surface water source
C
Fair
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 48 ppt | 4 ppt | 7/14/2025 |
| PFOS | 41 ppt | 4 ppt | 1/13/2025 |
| PFOS | 25 ppt | 4 ppt | 7/14/2025 |
| PFOS | 22 ppt | 4 ppt | 1/13/2025 |
| PFOA | 15 ppt | 4 ppt | 7/14/2025 |
| PFOA | 13 ppt | 4 ppt | 7/14/2025 |
| PFOA | 13 ppt | 4 ppt | 1/13/2025 |
| PFOA | 12 ppt | 4 ppt | 1/13/2025 |
| PFOS | 12 ppt | 4 ppt | 7/14/2025 |
| PFOA | 12 ppt | 4 ppt | 10/6/2025 |
| PFOS | 11 ppt | 4 ppt | 1/13/2025 |
| PFOA | 11 ppt | 4 ppt | 4/8/2025 |
| PFOS | 11 ppt | 4 ppt | 4/8/2025 |
| PFOS | 11 ppt | 4 ppt | 10/6/2025 |
| PFOA | 8.4 ppt | 4 ppt | 7/14/2025 |
| PFOA | 6.8 ppt | 4 ppt | 1/13/2025 |
| PFHxS | 5.3 ppt | 10 ppt | 7/14/2025 |
| PFHxS | 5.2 ppt | 10 ppt | 1/13/2025 |
| PFHxS | 5 ppt | 10 ppt | 7/14/2025 |
| PFHxS | 4.9 ppt | 10 ppt | 4/8/2025 |
| PFHxS | 4.7 ppt | 10 ppt | 10/6/2025 |
| PFHxS | 4.6 ppt | 10 ppt | 7/14/2025 |
| PFHxS | 4.6 ppt | 10 ppt | 1/13/2025 |
| PFHxS | 4.3 ppt | 10 ppt | 1/13/2025 |
| PFBS | 4.3 ppt | — | 7/14/2025 |
| PFBS | 3.8 ppt | — | 7/14/2025 |
| PFBS | 3.7 ppt | — | 1/13/2025 |
| PFBS | 3.6 ppt | — | 1/13/2025 |
| PFBS | 3.3 ppt | — | 7/14/2025 |
| PFBS | 3.1 ppt | — | 1/13/2025 |
| PFBS | 3 ppt | — | 10/6/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
No violations on record in the period covered. 🎉