Water quality report for Tranquillity, CA — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.
A look at Tranquillity's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.
Lead was not detected. PFAS has never been sampled at this system.
Graded on violations and lead, with state inspection findings. PFAS not tested.
| Contaminant | Type | Measured | Limit | Period | Status |
|---|---|---|---|---|---|
| Arsenic | MCL EXCEEDANCE | 0.015 MG/L | 0.010 mg/L | 2025 | Archived |
| Arsenic | MCL EXCEEDANCE | 0.015 MG/L | 0.010 mg/L | 2025 | Archived |
| Arsenic | MCL EXCEEDANCE | 0.015 MG/L | 0.010 mg/L | 2025 | Archived |
| Arsenic | MCL EXCEEDANCE | 0.014 MG/L | 0.010 mg/L | 2025 | Archived |
| LEAD AND COPPER RULE REVISIONS | TREATMENT TECHNIQUE | — | — | 2024 | Unaddressed |
| LEAD AND COPPER RULE REVISIONS | REPORTING FAILURE | — | — | 2024 | Unaddressed |
| Lead and Copper Rule | MONITORING AND REPORTING | — | TT | 2024 | Resolved |
| Revised Total Coliform Rule | MONITORING FAILURE | — | — | 2017 | Resolved |
| Coliform (TCR) | MCL EXCEEDANCE | — | 5% of samples | 2015 | Resolved |
| Coliform (TCR) | MCL EXCEEDANCE | — | 5% of samples | 2015 | Resolved |