Water Quality in CHESHIRE, CT (06410)
EPA violation data for public water systems serving ZIP code 06410.
247
Total Violations
19
Health-Based
228
Monitoring / Reporting
237
Resolved
What does this mean?
237 of 247 violations have been resolved. 19 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 228 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.
Violations Detail (247 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2025 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Dec 29, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Monitoring | N/A | N/A | Oct 16, 2024 | Active | N/A |
| LEAD AND COPPER RULE REVISIONS | Health-Based | N/A | N/A | Oct 16, 2024 | Active | N/A |
| LEAD AND COPPER RULE REVISIONS | Health-Based | N/A | N/A | Oct 16, 2024 | Active | N/A |
| LEAD AND COPPER RULE REVISIONS | Monitoring | N/A | N/A | Oct 16, 2024 | Active | N/A |
| LEAD AND COPPER RULE REVISIONS | Monitoring | N/A | N/A | Oct 16, 2024 | Active | N/A |
| LEAD AND COPPER RULE REVISIONS | Health-Based | N/A | N/A | Oct 16, 2024 | Active | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jul 6, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jul 6, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | May 30, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | May 30, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Feb 1, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Feb 1, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Feb 1, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Feb 1, 2024 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Dec 29, 2023 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Dec 29, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Nov 27, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Nov 27, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Nov 27, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Nov 27, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Oct 28, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Oct 28, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Oct 28, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Oct 28, 2023 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 28, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 15, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 15, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 15, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 15, 2023 | Resolved | N/A |
| E. COLI | Monitoring | 0 | N/A | May 14, 2023 | Active | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | May 14, 2023 | Active | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | May 14, 2023 | Active | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| Public Notice | Monitoring | N/A | N/A | Apr 27, 2023 | Active | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Dec 29, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2022 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| 1,2-Dichloropropane | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| 1,2-Dichloropropane | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| 1,2-Dichloropropane | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| 1,2-Dichloropropane | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Toluene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Toluene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Toluene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Toluene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Vinyl chloride | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | Increased risk of cancer |
| Vinyl chloride | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | Increased risk of cancer |
| Vinyl chloride | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | Increased risk of cancer |
| Vinyl chloride | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | Increased risk of cancer |
| p-Dichlorobenzene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| p-Dichlorobenzene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| p-Dichlorobenzene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| p-Dichlorobenzene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Benzene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | Anemia; decrease in blood platelets; increased risk of cancer |
| Benzene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | Anemia; decrease in blood platelets; increased risk of cancer |
| Benzene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | Anemia; decrease in blood platelets; increased risk of cancer |
| Benzene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | Anemia; decrease in blood platelets; increased risk of cancer |
| Carbon tetrachloride | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | Liver problems; increased risk of cancer |
| Carbon tetrachloride | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | Liver problems; increased risk of cancer |
| Carbon tetrachloride | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | Liver problems; increased risk of cancer |
| Carbon tetrachloride | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | Liver problems; increased risk of cancer |
| Trichloroethylene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | Liver problems; increased risk of cancer |
| Trichloroethylene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | Liver problems; increased risk of cancer |
| Trichloroethylene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | Liver problems; increased risk of cancer |
| Trichloroethylene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | Liver problems; increased risk of cancer |
| Tetrachloroethylene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | Liver problems; increased risk of cancer |
| Tetrachloroethylene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | Liver problems; increased risk of cancer |
| Tetrachloroethylene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | Liver problems; increased risk of cancer |
| Tetrachloroethylene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | Liver problems; increased risk of cancer |
| DICHLOROMETHANE | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| DICHLOROMETHANE | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| DICHLOROMETHANE | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| DICHLOROMETHANE | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| 1,1-Dichloroethylene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| 1,1-Dichloroethylene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| 1,1-Dichloroethylene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| 1,1-Dichloroethylene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| 1,2-Dichloroethane | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| 1,2-Dichloroethane | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| 1,2-Dichloroethane | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| 1,2-Dichloroethane | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| 1,1,1-Trichloroethane | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| 1,1,1-Trichloroethane | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| 1,1,1-Trichloroethane | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| 1,1,1-Trichloroethane | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Ethylbenzene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Ethylbenzene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Ethylbenzene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Ethylbenzene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Styrene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Styrene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Styrene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Styrene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| 1,2,4-Trichlorobenzene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| cis-1,2-Dichloroethylene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| 1,2,4-Trichlorobenzene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| 1,2,4-Trichlorobenzene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| 1,1,2-Trichloroethane | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| 1,1,2-Trichloroethane | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| 1,1,2-Trichloroethane | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| 1,1,2-Trichloroethane | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| 1,2,4-Trichlorobenzene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| cis-1,2-Dichloroethylene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| cis-1,2-Dichloroethylene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| o-Dichlorobenzene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| CHLOROBENZENE | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| CHLOROBENZENE | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| CHLOROBENZENE | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| CHLOROBENZENE | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| o-Dichlorobenzene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| o-Dichlorobenzene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| cis-1,2-Dichloroethylene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| o-Dichlorobenzene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| trans-1,2-Dichloroethylene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| trans-1,2-Dichloroethylene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| trans-1,2-Dichloroethylene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| trans-1,2-Dichloroethylene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | May 1, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | May 1, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | May 1, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | May 1, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Apr 1, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Apr 1, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Apr 1, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Apr 1, 2022 | Resolved | N/A |
| Toluene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| Toluene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| Toluene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| Toluene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| 1,1,2-Trichloroethane | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| 1,1,2-Trichloroethane | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| 1,1,2-Trichloroethane | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| 1,1,2-Trichloroethane | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| Tetrachloroethylene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | Liver problems; increased risk of cancer |
| Tetrachloroethylene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | Liver problems; increased risk of cancer |
| Tetrachloroethylene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | Liver problems; increased risk of cancer |
| Tetrachloroethylene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | Liver problems; increased risk of cancer |
| 1,1,1-Trichloroethane | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| 1,1,1-Trichloroethane | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| 1,1,1-Trichloroethane | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| 1,1,1-Trichloroethane | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| Vinyl chloride | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | Increased risk of cancer |
| Vinyl chloride | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | Increased risk of cancer |
| Vinyl chloride | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | Increased risk of cancer |
| Vinyl chloride | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | Increased risk of cancer |
| Carbon tetrachloride | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | Liver problems; increased risk of cancer |
| Carbon tetrachloride | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | Liver problems; increased risk of cancer |
| Carbon tetrachloride | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | Liver problems; increased risk of cancer |
| Carbon tetrachloride | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | Liver problems; increased risk of cancer |
| Trichloroethylene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | Liver problems; increased risk of cancer |
| Trichloroethylene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | Liver problems; increased risk of cancer |
| Trichloroethylene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | Liver problems; increased risk of cancer |
| Trichloroethylene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | Liver problems; increased risk of cancer |
| Benzene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | Anemia; decrease in blood platelets; increased risk of cancer |
| Benzene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | Anemia; decrease in blood platelets; increased risk of cancer |
| Benzene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | Anemia; decrease in blood platelets; increased risk of cancer |
| Benzene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | Anemia; decrease in blood platelets; increased risk of cancer |
| 1,2,4-Trichlorobenzene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| 1,2,4-Trichlorobenzene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| 1,2,4-Trichlorobenzene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| 1,2,4-Trichlorobenzene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| cis-1,2-Dichloroethylene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| cis-1,2-Dichloroethylene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| cis-1,2-Dichloroethylene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| cis-1,2-Dichloroethylene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| p-Dichlorobenzene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| p-Dichlorobenzene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| p-Dichlorobenzene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| p-Dichlorobenzene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| 1,2-Dichloroethane | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| 1,2-Dichloroethane | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| 1,2-Dichloroethane | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| 1,2-Dichloroethane | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| 1,2-Dichloropropane | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| 1,2-Dichloropropane | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| 1,2-Dichloropropane | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| 1,2-Dichloropropane | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| CHLOROBENZENE | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| CHLOROBENZENE | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| CHLOROBENZENE | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| CHLOROBENZENE | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| Ethylbenzene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| Ethylbenzene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| Ethylbenzene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| Ethylbenzene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| 1,1-Dichloroethylene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| 1,1-Dichloroethylene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| 1,1-Dichloroethylene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| 1,1-Dichloroethylene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| o-Dichlorobenzene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| Styrene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| DICHLOROMETHANE | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| DICHLOROMETHANE | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| DICHLOROMETHANE | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| trans-1,2-Dichloroethylene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| trans-1,2-Dichloroethylene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| DICHLOROMETHANE | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| trans-1,2-Dichloroethylene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| Styrene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| o-Dichlorobenzene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| Styrene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| o-Dichlorobenzene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| o-Dichlorobenzene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| Styrene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| trans-1,2-Dichloroethylene | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| Nitrate | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrite | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrite | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrite | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Lead and Copper Rule | Monitoring | N/A | N/A | Dec 29, 2021 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Dec 29, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Nov 9, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Nov 9, 2021 | Resolved | N/A |
| E. COLI | Monitoring | 0 | N/A | Jun 30, 2021 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Jun 30, 2021 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Jun 30, 2021 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Jun 30, 2021 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| Nitrate | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(4)
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
2024(21)
Lead and Copper Rule
66
LEAD AND COPPER RULE REVISIONS
4G
LEAD AND COPPER RULE REVISIONS
2E
LEAD AND COPPER RULE REVISIONS
2E
LEAD AND COPPER RULE REVISIONS
4G
LEAD AND COPPER RULE REVISIONS
4G
LEAD AND COPPER RULE REVISIONS
2E
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Public Notice
75
Public Notice
75
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
2023(23)
Lead and Copper Rule
66
Lead and Copper Rule
66
Revised Total Coliform Rule
2B
Revised Total Coliform Rule
2B
Revised Total Coliform Rule
2B
Revised Total Coliform Rule
2B
Revised Total Coliform Rule
2A
Revised Total Coliform Rule
2A
Revised Total Coliform Rule
2A
Revised Total Coliform Rule
2A
Lead and Copper Rule
66
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
4C
Revised Total Coliform Rule
4C
Revised Total Coliform Rule
4C
Revised Total Coliform Rule
4C
E. COLI
34
E. COLI
34
E. COLI
34
Public Notice
75
2022(177)
Lead and Copper Rule
66
Revised Total Coliform Rule
3B
Revised Total Coliform Rule
3B
Revised Total Coliform Rule
3B
Revised Total Coliform Rule
3B
Lead and Copper Rule
52
Lead and Copper Rule
52
Lead and Copper Rule
52
Lead and Copper Rule
52
1,2-Dichloropropane
03
1,2-Dichloropropane
03
1,2-Dichloropropane
03
1,2-Dichloropropane
03
Toluene
03
Toluene
03
Toluene
03
Toluene
03
Vinyl chloride
03
Vinyl chloride
03
Vinyl chloride
03
Vinyl chloride
03
p-Dichlorobenzene
03
p-Dichlorobenzene
03
p-Dichlorobenzene
03
p-Dichlorobenzene
03
Benzene
03
Benzene
03
Benzene
03
Benzene
03
Carbon tetrachloride
03
Carbon tetrachloride
03
Carbon tetrachloride
03
Carbon tetrachloride
03
Trichloroethylene
03
Trichloroethylene
03
Trichloroethylene
03
Trichloroethylene
03
Tetrachloroethylene
03
Tetrachloroethylene
03
Tetrachloroethylene
03
Tetrachloroethylene
03
DICHLOROMETHANE
03
DICHLOROMETHANE
03
DICHLOROMETHANE
03
DICHLOROMETHANE
03
1,1-Dichloroethylene
03
1,1-Dichloroethylene
03
1,1-Dichloroethylene
03
1,1-Dichloroethylene
03
1,2-Dichloroethane
03
1,2-Dichloroethane
03
1,2-Dichloroethane
03
1,2-Dichloroethane
03
1,1,1-Trichloroethane
03
1,1,1-Trichloroethane
03
1,1,1-Trichloroethane
03
1,1,1-Trichloroethane
03
Ethylbenzene
03
Ethylbenzene
03
Ethylbenzene
03
Ethylbenzene
03
Styrene
03
Styrene
03
Styrene
03
Styrene
03
1,2,4-Trichlorobenzene
03
cis-1,2-Dichloroethylene
03
1,2,4-Trichlorobenzene
03
1,2,4-Trichlorobenzene
03
1,1,2-Trichloroethane
03
1,1,2-Trichloroethane
03
1,1,2-Trichloroethane
03
1,1,2-Trichloroethane
03
1,2,4-Trichlorobenzene
03
cis-1,2-Dichloroethylene
03
cis-1,2-Dichloroethylene
03
o-Dichlorobenzene
03
CHLOROBENZENE
03
CHLOROBENZENE
03
CHLOROBENZENE
03
CHLOROBENZENE
03
o-Dichlorobenzene
03
o-Dichlorobenzene
03
cis-1,2-Dichloroethylene
03
o-Dichlorobenzene
03
trans-1,2-Dichloroethylene
03
trans-1,2-Dichloroethylene
03
trans-1,2-Dichloroethylene
03
trans-1,2-Dichloroethylene
03
Revised Total Coliform Rule
2D
Revised Total Coliform Rule
2D
Revised Total Coliform Rule
2D
Revised Total Coliform Rule
2D
Revised Total Coliform Rule
2D
Revised Total Coliform Rule
2D
Revised Total Coliform Rule
2D
Revised Total Coliform Rule
2D
Toluene
03
Toluene
03
Toluene
03
Toluene
03
1,1,2-Trichloroethane
03
1,1,2-Trichloroethane
03
1,1,2-Trichloroethane
03
1,1,2-Trichloroethane
03
Tetrachloroethylene
03
Tetrachloroethylene
03
Tetrachloroethylene
03
Tetrachloroethylene
03
1,1,1-Trichloroethane
03
1,1,1-Trichloroethane
03
1,1,1-Trichloroethane
03
1,1,1-Trichloroethane
03
Vinyl chloride
03
Vinyl chloride
03
Vinyl chloride
03
Vinyl chloride
03
Carbon tetrachloride
03
Carbon tetrachloride
03
Carbon tetrachloride
03
Carbon tetrachloride
03
Trichloroethylene
03
Trichloroethylene
03
Trichloroethylene
03
Trichloroethylene
03
Benzene
03
Benzene
03
Benzene
03
Benzene
03
1,2,4-Trichlorobenzene
03
1,2,4-Trichlorobenzene
03
1,2,4-Trichlorobenzene
03
1,2,4-Trichlorobenzene
03
cis-1,2-Dichloroethylene
03
cis-1,2-Dichloroethylene
03
cis-1,2-Dichloroethylene
03
cis-1,2-Dichloroethylene
03
p-Dichlorobenzene
03
p-Dichlorobenzene
03
p-Dichlorobenzene
03
p-Dichlorobenzene
03
1,2-Dichloroethane
03
1,2-Dichloroethane
03
1,2-Dichloroethane
03
1,2-Dichloroethane
03
1,2-Dichloropropane
03
1,2-Dichloropropane
03
1,2-Dichloropropane
03
1,2-Dichloropropane
03
CHLOROBENZENE
03
CHLOROBENZENE
03
CHLOROBENZENE
03
CHLOROBENZENE
03
Ethylbenzene
03
Ethylbenzene
03
Ethylbenzene
03
Ethylbenzene
03
1,1-Dichloroethylene
03
1,1-Dichloroethylene
03
1,1-Dichloroethylene
03
1,1-Dichloroethylene
03
o-Dichlorobenzene
03
Styrene
03
DICHLOROMETHANE
03
DICHLOROMETHANE
03
DICHLOROMETHANE
03
trans-1,2-Dichloroethylene
03
trans-1,2-Dichloroethylene
03
DICHLOROMETHANE
03
trans-1,2-Dichloroethylene
03
Styrene
03
o-Dichlorobenzene
03
Styrene
03
o-Dichlorobenzene
03
o-Dichlorobenzene
03
Styrene
03
trans-1,2-Dichloroethylene
03
2021(22)
Nitrate
03
Nitrate
03
Nitrate
03
Nitrite
03
Nitrite
03
Nitrite
03
Lead and Copper Rule
66
Lead and Copper Rule
66
Public Notice
75
Public Notice
75
E. COLI
19
E. COLI
19
E. COLI
19
E. COLI
19
Nitrate
03
Nitrate
03
Nitrate
03
Nitrate
03
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
How Does This Compare?
CHESHIRE (06410) has 247 recorded violations, including 19 health-based. 10 remain unresolved. Consider testing your tap water independently for added peace of mind.
Recommended Water Filters
Based on the contaminants detected in your area, these filter types may help improve your water quality.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove.