Water quality report for Preston Heights, IL — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.
A look at Preston Heights'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 |
|---|---|---|---|---|---|
| Revised Total Coliform Rule | MONITORING FAILURE | — | — | 2026 | Resolved |
| Chlorine | MONITORING AND REPORTING | — | 4.0 mg/L | 2026 | Resolved |
| Revised Total Coliform Rule | MONITORING FAILURE | — | — | 2025 | Resolved |
| Chlorine | MONITORING AND REPORTING | — | 4.0 mg/L | 2025 | Resolved |
| Public Notice | OTHER | — | — | 2025 | Unaddressed |
| Public Notice | OTHER | — | — | 2025 | Unaddressed |
| Public Notice | OTHER | — | — | 2025 | Unaddressed |
| Lead and Copper Rule | MONITORING AND REPORTING | — | TT | 2025 | Unaddressed |
| Revised Total Coliform Rule | MONITORING FAILURE | — | — | 2025 | Resolved |
| Chlorine | MONITORING AND REPORTING | — | 4.0 mg/L | 2025 | Resolved |
| Public Notice | OTHER | — | — | 2025 | Unaddressed |
| Revised Total Coliform Rule | MONITORING FAILURE | — | — | 2025 | Resolved |
| Chlorine | MONITORING AND REPORTING | — | 4.0 mg/L | 2025 | Resolved |
| LEAD AND COPPER RULE REVISIONS | REPORTING FAILURE | — | — | 2025 | Unaddressed |
| Consumer Confidence Rule | OTHER | — | — | 2025 | Unaddressed |
| Revised Total Coliform Rule | MONITORING FAILURE | — | — | 2025 | Resolved |
| Chlorine | MONITORING AND REPORTING | — | 4.0 mg/L | 2025 | Resolved |
| TTHM | MONITORING AND REPORTING | — | 0.080 mg/L | 2025 | Archived |
| Total Haloacetic Acids (HAA5) | MONITORING AND REPORTING | — | 0.060 mg/L | 2025 | Archived |
| Nitrate | MONITORING AND REPORTING | — | 10 mg/L | 2025 | Archived |
| LEAD AND COPPER RULE REVISIONS | TREATMENT TECHNIQUE | — | — | 2024 | Unaddressed |
| LEAD AND COPPER RULE REVISIONS | REPORTING FAILURE | — | — | 2024 | Unaddressed |
| Revised Total Coliform Rule | MONITORING FAILURE | — | — | 2024 | Resolved |
| Chlorine | MONITORING AND REPORTING | — | 4.0 mg/L | 2024 | Resolved |
| Public Notice | OTHER | — | — | 2024 | Unaddressed |
| Public Notice | OTHER | — | — | 2024 | Unaddressed |
| TTHM | MONITORING AND REPORTING | — | 0.080 mg/L | 2024 | Archived |
| Total Haloacetic Acids (HAA5) | MONITORING AND REPORTING | — | 0.060 mg/L | 2024 | Archived |
| Revised Total Coliform Rule | MONITORING FAILURE | — | — | 2023 | Resolved |
| Chlorine | MONITORING AND REPORTING | — | 4.0 mg/L | 2023 | Resolved |
| Revised Total Coliform Rule | MONITORING FAILURE | — | — | 2023 | Resolved |
| Chlorine | MONITORING AND REPORTING | — | 4.0 mg/L | 2023 | Resolved |