Water quality report for Chicago, IL — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.
A look at Chicago's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.
Lead is 7.00 ppb, 47% of the action level and no violations are open. No PFAS was detected.
Graded on violations, lead, and PFAS, with state inspection findings.
| Contaminant | Type | Measured | Limit | Period | Status |
|---|---|---|---|---|---|
| LEAD AND COPPER RULE REVISIONS | REPORTING FAILURE | — | — | 2025 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2025 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2025 | Resolved |
| Dinoseb | MONITORING AND REPORTING | — | 0.007 mg/L | 2025 | Archived |
| CARBON, TOTAL | MONITORING AND REPORTING | — | TT | 2024 | Resolved |
| CARBON, TOTAL | MONITORING AND REPORTING | — | TT | 2024 | Resolved |
| CARBON, TOTAL | MONITORING AND REPORTING | — | TT | 2024 | Resolved |
| CARBON, TOTAL | MONITORING AND REPORTING | — | TT | 2024 | Resolved |
| Lead and Copper Rule | MONITORING AND REPORTING | — | TT | 2021 | Resolved |
| Consumer Confidence Rule | OTHER | — | — | 2021 | Resolved |
| Consumer Confidence Rule | OTHER | — | — | 2020 | Resolved |
| Endrin | MONITORING AND REPORTING | — | 0.002 mg/L | 2019 | Resolved |
| BHC-GAMMA | MONITORING AND REPORTING | — | 0.0002 mg/L | 2019 | Resolved |
| Methoxychlor | MONITORING AND REPORTING | — | 0.04 mg/L | 2019 | Resolved |
| Toxaphene | MONITORING AND REPORTING | — | 0.003 mg/L | 2019 | Resolved |
| Dalapon | MONITORING AND REPORTING | — | 0.2 mg/L | 2019 | Resolved |
| Diquat | MONITORING AND REPORTING | — | 0.02 mg/L | 2019 | Resolved |
| Endothall | MONITORING AND REPORTING | — | 0.1 mg/L | 2019 | Resolved |
| Di(2-ethylhexyl) adipate | MONITORING AND REPORTING | — | 0.4 mg/L | 2019 | Resolved |
| OXAMYL | MONITORING AND REPORTING | — | 0.2 mg/L | 2019 | Resolved |
| Simazine | MONITORING AND REPORTING | — | 0.004 mg/L | 2019 | Resolved |
| Di(2-ethylhexyl) phthalate | MONITORING AND REPORTING | — | 0.006 mg/L | 2019 | Resolved |
| Picloram | MONITORING AND REPORTING | — | 0.5 mg/L | 2019 | Resolved |
| Dinoseb | MONITORING AND REPORTING | — | 0.007 mg/L | 2019 | Resolved |
| Hexachlorocyclopentadiene | MONITORING AND REPORTING | — | 0.05 mg/L | 2019 | Resolved |
| Aldicarb sulfoxide | MONITORING AND REPORTING | — | — | 2019 | Resolved |
| Aldicarb sulfone | MONITORING AND REPORTING | — | — | 2019 | Resolved |
| Carbofuran | MONITORING AND REPORTING | — | 0.04 mg/L | 2019 | Resolved |
| Aldicarb | MONITORING AND REPORTING | — | — | 2019 | Resolved |
| Atrazine | MONITORING AND REPORTING | — | 0.003 mg/L | 2019 | Resolved |
| LASSO | MONITORING AND REPORTING | — | — | 2019 | Resolved |
| Heptachlor | MONITORING AND REPORTING | — | 0.0004 mg/L | 2019 | Resolved |
| Heptachlor epoxide | MONITORING AND REPORTING | — | 0.0002 mg/L | 2019 | Resolved |
| 2,4-D | MONITORING AND REPORTING | — | 0.07 mg/L | 2019 | Resolved |
| 2,4,5-TP | MONITORING AND REPORTING | — | 0.05 mg/L | 2019 | Resolved |
| HEXACHLOROBENZENE | MONITORING AND REPORTING | — | 0.001 mg/L | 2019 | Resolved |
| Benzo(a)pyrene | MONITORING AND REPORTING | — | 0.0002 mg/L | 2019 | Resolved |
| Pentachlorophenol | MONITORING AND REPORTING | — | 0.001 mg/L | 2019 | Resolved |
| Total Polychlorinated Biphenyls (PCB) | MONITORING AND REPORTING | — | 0.0005 mg/L | 2019 | Resolved |
| 1,2-DIBROMO-3-CHLOROPROPANE | MONITORING AND REPORTING | — | 0.0002 mg/L | 2019 | Resolved |
| ETHYLENE DIBROMIDE | MONITORING AND REPORTING | — | 0.00005 mg/L | 2019 | Resolved |
| Chlordane | MONITORING AND REPORTING | — | 0.002 mg/L | 2019 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2016 | Resolved |
| Interim Enhanced Surface Water Treatment Rule | MONITORING AND REPORTING | — | — | 2016 | Resolved |
| Consumer Confidence Rule | OTHER | — | — | 2016 | Resolved |