Truckee Meadows Water Authority
PWSID NV0000190 · Reno, Nevada · serves 442,000 people · surface water source
C
Fair
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFOS | 20 ppt | 4 ppt | 5/9/2023 |
| PFHxS | 15 ppt | 10 ppt | 5/9/2023 |
| PFHxS | 14 ppt | 10 ppt | 2/26/2025 |
| PFPeA | 13 ppt | — | 8/29/2023 |
| PFHxS | 13 ppt | 10 ppt | 2/18/2025 |
| PFHxS | 13 ppt | 10 ppt | 8/13/2025 |
| PFHxA | 12 ppt | — | 5/9/2023 |
| PFHxS | 12 ppt | 10 ppt | 8/13/2025 |
| PFHxS | 11 ppt | 10 ppt | 1/24/2023 |
| PFHxS | 11 ppt | 10 ppt | 7/18/2023 |
| PFPeA | 11 ppt | — | 2/21/2024 |
| PFPeA | 10 ppt | — | 5/9/2023 |
| PFHxA | 9.1 ppt | — | 8/29/2023 |
| PFHxS | 6.9 ppt | 10 ppt | 11/14/2023 |
| PFBA | 6.8 ppt | — | 5/9/2023 |
| PFHxA | 6.1 ppt | — | 2/21/2024 |
| PFOS | 6 ppt | 4 ppt | 11/14/2023 |
| PFBS | 5.7 ppt | — | 8/29/2023 |
| PFHxA | 5.6 ppt | — | 1/24/2023 |
| PFOA | 5.5 ppt | 4 ppt | 1/24/2023 |
| PFHxA | 5.3 ppt | — | 7/18/2023 |
| PFOS | 5.3 ppt | 4 ppt | 2/18/2025 |
| PFHxS | 5.1 ppt | 10 ppt | 7/18/2023 |
| PFOA | 4.9 ppt | 4 ppt | 7/18/2023 |
| PFHxS | 4.9 ppt | 10 ppt | 8/29/2023 |
| PFOS | 4.9 ppt | 4 ppt | 8/13/2025 |
| PFOS | 4.9 ppt | 4 ppt | 2/26/2025 |
| PFPeA | 4.8 ppt | — | 8/13/2025 |
| PFOA | 4.7 ppt | 4 ppt | 5/9/2023 |
| PFBS | 4.5 ppt | — | 5/9/2023 |
| PFHxA | 4.3 ppt | — | 11/14/2023 |
| PFBS | 4.2 ppt | — | 2/21/2024 |
| PFOS | 4.2 ppt | 4 ppt | 8/13/2025 |
| PFHxS | 4.1 ppt | 10 ppt | 2/21/2024 |
| PFHpA | 3.9 ppt | — | 5/9/2023 |
| PFPeA | 3.9 ppt | — | 2/18/2025 |
| PFBS | 3.9 ppt | — | 8/13/2025 |
| PFHxS | 3.8 ppt | 10 ppt | 7/5/2023 |
| PFBS | 3.8 ppt | — | 2/26/2025 |
| PFHxS | 3.7 ppt | 10 ppt | 4/18/2023 |
| PFBS | 3.7 ppt | — | 2/18/2025 |
| PFHxS | 3.7 ppt | 10 ppt | 8/13/2025 |
| PFHxS | 3.4 ppt | 10 ppt | 1/17/2023 |
| PFPeA | 3.4 ppt | — | 11/14/2023 |
| PFBS | 3.4 ppt | — | 8/13/2025 |
| PFHxS | 3.3 ppt | 10 ppt | 5/28/2024 |
| PFBS | 3.3 ppt | — | 1/24/2023 |
| PFHxS | 3.2 ppt | 10 ppt | 10/17/2023 |
| PFHxA | 3.2 ppt | — | 8/13/2025 |
| PFBS | 3.1 ppt | — | 7/18/2023 |
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. 🎉