Crystal Clear Sud
PWSID TX0940015 · San Marcos, Texas · serves 20,766 people · surface water source
B
Good
PFAS test results (EPA UCMR 5)
| Contaminant | Result | Federal limit (MCL) | Sampled |
|---|---|---|---|
| PFBA | 5.6 ppt | — | 8/22/2024 |
| PFPeA | 4 ppt | — | 2/12/2025 |
| PFPeA | 3.8 ppt | — | 8/22/2024 |
| PFPeA | 3.7 ppt | — | 11/14/2024 |
| PFPeA | 3.2 ppt | — | 8/22/2024 |
| PFPeA | 3 ppt | — | 11/14/2024 |
| PFPeA | 3 ppt | — | 2/12/2025 |
ppt = parts per trillion (ng/L). Rows highlighted red meet or exceed the 2024 federal limit.
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2026-01-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2025-07-02 | LEAD AND COPPER RULE REVISIONS | RPT | No | Resolved |