Water Quality in BAR HARBOR, ME (04609)
EPA violation data for public water systems serving ZIP code 04609.
448
Total Violations
43
Health-Based
405
Monitoring / Reporting
438
Resolved
What does this mean?
438 of 448 violations have been resolved. 43 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 405 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 (448 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 | Health-Based | N/A | N/A | May 31, 2025 | Active | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | May 31, 2025 | Active | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | May 31, 2025 | Active | 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 |
| 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 |
| Public Notice | Monitoring | N/A | N/A | May 31, 2025 | Active | N/A |
| Public Notice | Monitoring | N/A | N/A | May 30, 2025 | Active | N/A |
| Public Notice | Monitoring | N/A | N/A | Apr 22, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Apr 22, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | N/A |
| Lead and Copper Rule | Health-Based | N/A | N/A | Dec 2, 2024 | Resolved | N/A |
| Lead and Copper Rule | Health-Based | N/A | N/A | Dec 2, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Oct 26, 2024 | Active | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Oct 26, 2024 | Active | N/A |
| Nitrate | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Monitoring | N/A | N/A | Sep 30, 2024 | 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 | 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 | Aug 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2024 | Resolved | N/A |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | May 30, 2024 | Active | N/A |
| Public Notice | Monitoring | N/A | N/A | May 30, 2024 | Active | N/A |
| Public Notice | Monitoring | N/A | N/A | May 30, 2024 | Active | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | May 24, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | May 24, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | May 24, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | May 24, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Apr 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Apr 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Apr 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Apr 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Arsenic | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Nitrate | Monitoring | N/A | N/A | Dec 31, 2023 | 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, 2023 | 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, 2023 | 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, 2023 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Trichloroethylene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Liver problems; increased risk of cancer |
| Trichloroethylene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Liver problems; increased risk of cancer |
| Trichloroethylene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Liver problems; increased risk of cancer |
| Trichloroethylene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Liver problems; increased risk of cancer |
| Tetrachloroethylene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Liver problems; increased risk of cancer |
| Tetrachloroethylene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Liver problems; increased risk of cancer |
| Tetrachloroethylene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Liver problems; increased risk of cancer |
| Tetrachloroethylene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Liver problems; increased risk of cancer |
| cis-1,2-Dichloroethylene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| cis-1,2-Dichloroethylene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Xylenes, Total | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| cis-1,2-Dichloroethylene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| cis-1,2-Dichloroethylene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Xylenes, Total | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Xylenes, Total | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Xylenes, Total | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| o-Dichlorobenzene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| o-Dichlorobenzene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| o-Dichlorobenzene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| o-Dichlorobenzene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 1,1-Dichloroethylene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 1,1-Dichloroethylene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 1,1-Dichloroethylene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 1,1-Dichloroethylene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 1,2-Dichloroethane | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 1,2-Dichloroethane | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 1,2-Dichloroethane | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 1,2-Dichloroethane | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 1,2-Dichloropropane | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 1,2-Dichloropropane | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 1,2-Dichloropropane | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 1,2-Dichloropropane | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 1,1,2-Trichloroethane | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 1,1,2-Trichloroethane | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 1,1,2-Trichloroethane | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 1,1,2-Trichloroethane | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| CHLOROBENZENE | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| CHLOROBENZENE | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| CHLOROBENZENE | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| CHLOROBENZENE | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Toluene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Toluene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Toluene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Toluene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Ethylbenzene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Ethylbenzene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Ethylbenzene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Ethylbenzene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Styrene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Styrene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Styrene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Styrene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 1,2,4-Trichlorobenzene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 1,2,4-Trichlorobenzene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| p-Dichlorobenzene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Vinyl chloride | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Increased risk of cancer |
| Vinyl chloride | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Increased risk of cancer |
| Vinyl chloride | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Increased risk of cancer |
| Vinyl chloride | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Increased risk of cancer |
| p-Dichlorobenzene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 1,1,1-Trichloroethane | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 1,1,1-Trichloroethane | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Carbon tetrachloride | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Liver problems; increased risk of cancer |
| Carbon tetrachloride | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Liver problems; increased risk of cancer |
| Carbon tetrachloride | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Liver problems; increased risk of cancer |
| Carbon tetrachloride | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Liver problems; increased risk of cancer |
| Benzene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Anemia; decrease in blood platelets; increased risk of cancer |
| Benzene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Anemia; decrease in blood platelets; increased risk of cancer |
| p-Dichlorobenzene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Benzene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Anemia; decrease in blood platelets; increased risk of cancer |
| DICHLOROMETHANE | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 1,1,1-Trichloroethane | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 1,1,1-Trichloroethane | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 1,2,4-Trichlorobenzene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| trans-1,2-Dichloroethylene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| trans-1,2-Dichloroethylene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| trans-1,2-Dichloroethylene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| trans-1,2-Dichloroethylene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| DICHLOROMETHANE | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| DICHLOROMETHANE | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| DICHLOROMETHANE | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Benzene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Anemia; decrease in blood platelets; increased risk of cancer |
| 1,2,4-Trichlorobenzene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| p-Dichlorobenzene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Nov 29, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Nov 29, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Nov 29, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Nov 29, 2023 | Resolved | N/A |
| E. COLI | Monitoring | 0 | N/A | Nov 16, 2023 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Nov 16, 2023 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Nov 16, 2023 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Nov 16, 2023 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Oct 11, 2023 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Oct 11, 2023 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Oct 11, 2023 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Oct 11, 2023 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Oct 11, 2023 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Nitrate | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Monitoring | N/A | N/A | Sep 30, 2023 | 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 | Sep 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Sep 28, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Sep 28, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Sep 28, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Aug 17, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Aug 17, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 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 |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Consumer Confidence 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 | 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 | Health-Based | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | May 30, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | May 30, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | May 30, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | May 30, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | May 30, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | May 30, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | May 30, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | May 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2023 | Resolved | N/A |
| Nitrate | Monitoring | N/A | N/A | Dec 31, 2022 | 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, 2022 | 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, 2022 | 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, 2022 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Public Notice | Monitoring | N/A | N/A | Nov 30, 2022 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Nov 30, 2022 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Nov 6, 2022 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Nov 6, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Nitrate | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrate | Monitoring | N/A | N/A | Sep 30, 2022 | 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 | Sep 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Sep 9, 2022 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Sep 9, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Nitrate | Monitoring | N/A | N/A | Jun 30, 2022 | 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, 2022 | 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, 2022 | 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, 2022 | 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 | May 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2022 | Resolved | N/A |
| Selenium | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Hair or fingernail loss; numbness in fingers or toes; circulatory problems |
| Selenium | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Hair or fingernail loss; numbness in fingers or toes; circulatory problems |
| Selenium | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Hair or fingernail loss; numbness in fingers or toes; circulatory problems |
| Selenium | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Hair or fingernail loss; numbness in fingers or toes; circulatory problems |
| Cadmium | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Kidney damage |
| Cadmium | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Kidney damage |
| Cadmium | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Kidney damage |
| Cadmium | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Kidney damage |
| Antimony, Total | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Antimony, Total | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Antimony, Total | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Antimony, Total | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Arsenic | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Barium | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Increase in blood pressure |
| Barium | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Increase in blood pressure |
| Barium | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Increase in blood pressure |
| Barium | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Increase in blood pressure |
| Chromium | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Allergic dermatitis |
| Chromium | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Allergic dermatitis |
| Chromium | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Allergic dermatitis |
| Chromium | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Allergic dermatitis |
| Mercury | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Kidney damage |
| Mercury | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Kidney damage |
| Mercury | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Kidney damage |
| Mercury | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Kidney damage |
| Nickel | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Nickel | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Nickel | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Nickel | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Thallium, Total | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Thallium, Total | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Thallium, Total | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Thallium, Total | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Fluoride | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Beryllium, Total | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Fluoride | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Beryllium, Total | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Beryllium, Total | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Beryllium, Total | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Oct 3, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Oct 3, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Oct 3, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Sep 24, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Sep 24, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Sep 24, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jul 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jul 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jul 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jul 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Health-Based | N/A | N/A | Jul 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 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 |
| Public Notice | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | N/A |
| Public Notice | 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 |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | May 31, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | May 30, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | May 30, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | May 30, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | May 30, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | May 30, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | May 30, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | May 30, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | May 30, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | May 30, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | May 26, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | May 26, 2021 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | May 26, 2021 | Resolved | N/A |
| Nitrate | Monitoring | N/A | N/A | Mar 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 | Mar 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 | Mar 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 | Mar 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 | Mar 31, 2021 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Arsenic | Health-Based | N/A | 0.011 | Mar 31, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Mar 31, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Mar 31, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Mar 31, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Mar 31, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
Lead & Copper Levels
Violation Timeline
2025(18)
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
2D
Revised Total Coliform Rule
2D
Revised Total Coliform Rule
2D
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
4C
Revised Total Coliform Rule
4C
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
2024(68)
Lead and Copper Rule
65
Lead and Copper Rule
65
Revised Total Coliform Rule
2A
Revised Total Coliform Rule
2A
Nitrate
03
Nitrate
03
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Consumer Confidence Rule
71
Consumer Confidence Rule
71
Consumer Confidence Rule
71
Consumer Confidence Rule
71
Lead and Copper Rule
53
Lead and Copper Rule
53
Lead and Copper Rule
53
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
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
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
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
2023(193)
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Arsenic
03
Arsenic
03
Arsenic
03
Arsenic
03
Revised Total Coliform Rule
3A
Nitrate
03
Nitrate
03
Nitrate
03
Nitrate
03
Trichloroethylene
03
Trichloroethylene
03
Trichloroethylene
03
Trichloroethylene
03
Tetrachloroethylene
03
Tetrachloroethylene
03
Tetrachloroethylene
03
Tetrachloroethylene
03
cis-1,2-Dichloroethylene
03
cis-1,2-Dichloroethylene
03
Xylenes, Total
03
cis-1,2-Dichloroethylene
03
cis-1,2-Dichloroethylene
03
Xylenes, Total
03
Xylenes, Total
03
Xylenes, Total
03
o-Dichlorobenzene
03
o-Dichlorobenzene
03
o-Dichlorobenzene
03
o-Dichlorobenzene
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
1,2-Dichloropropane
03
1,2-Dichloropropane
03
1,2-Dichloropropane
03
1,2-Dichloropropane
03
1,1,2-Trichloroethane
03
1,1,2-Trichloroethane
03
1,1,2-Trichloroethane
03
1,1,2-Trichloroethane
03
CHLOROBENZENE
03
CHLOROBENZENE
03
CHLOROBENZENE
03
CHLOROBENZENE
03
Toluene
03
Toluene
03
Toluene
03
Toluene
03
Ethylbenzene
03
Ethylbenzene
03
Ethylbenzene
03
Ethylbenzene
03
Styrene
03
Styrene
03
Styrene
03
Styrene
03
1,2,4-Trichlorobenzene
03
1,2,4-Trichlorobenzene
03
p-Dichlorobenzene
03
Vinyl chloride
03
Vinyl chloride
03
Vinyl chloride
03
Vinyl chloride
03
p-Dichlorobenzene
03
1,1,1-Trichloroethane
03
1,1,1-Trichloroethane
03
Carbon tetrachloride
03
Carbon tetrachloride
03
Carbon tetrachloride
03
Carbon tetrachloride
03
Benzene
03
Benzene
03
p-Dichlorobenzene
03
Benzene
03
DICHLOROMETHANE
03
1,1,1-Trichloroethane
03
1,1,1-Trichloroethane
03
1,2,4-Trichlorobenzene
03
trans-1,2-Dichloroethylene
03
trans-1,2-Dichloroethylene
03
trans-1,2-Dichloroethylene
03
trans-1,2-Dichloroethylene
03
DICHLOROMETHANE
03
DICHLOROMETHANE
03
DICHLOROMETHANE
03
Benzene
03
1,2,4-Trichlorobenzene
03
p-Dichlorobenzene
03
Revised Total Coliform Rule
2A
Revised Total Coliform Rule
2A
Revised Total Coliform Rule
2A
Revised Total Coliform Rule
2A
E. COLI
34
E. COLI
34
E. COLI
34
E. COLI
34
E. COLI
34
E. COLI
34
E. COLI
34
E. COLI
34
E. COLI
34
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Nitrate
03
Nitrate
03
Nitrate
03
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Public Notice
75
Public Notice
75
Public Notice
75
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
4B
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
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Consumer Confidence Rule
71
Consumer Confidence Rule
71
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
4A
Revised Total Coliform Rule
4A
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
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
2D
Revised Total Coliform Rule
2D
Revised Total Coliform Rule
2D
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
2022(69)
Nitrate
03
Nitrate
03
Nitrate
03
Nitrate
03
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Nitrate
03
Nitrate
03
Nitrate
03
Nitrate
03
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
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Consumer Confidence Rule
71
Consumer Confidence Rule
71
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
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
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
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
2021(100)
Selenium
03
Selenium
03
Selenium
03
Selenium
03
Cadmium
03
Cadmium
03
Cadmium
03
Cadmium
03
Antimony, Total
03
Antimony, Total
03
Antimony, Total
03
Antimony, Total
03
Arsenic
03
Arsenic
03
Arsenic
03
Arsenic
03
Barium
03
Barium
03
Barium
03
Barium
03
Chromium
03
Chromium
03
Chromium
03
Chromium
03
Mercury
03
Mercury
03
Mercury
03
Mercury
03
Nickel
03
Nickel
03
Nickel
03
Nickel
03
Thallium, Total
03
Thallium, Total
03
Thallium, Total
03
Thallium, Total
03
Fluoride
03
Beryllium, Total
03
Fluoride
03
Fluoride
03
Fluoride
03
Beryllium, Total
03
Beryllium, Total
03
Beryllium, Total
03
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
1A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Public Notice
75
Public Notice
75
Public Notice
75
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
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
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Public Notice
75
Nitrate
03
Nitrate
03
Nitrate
03
Nitrate
03
Nitrate
03
Arsenic
02
Arsenic
02
Arsenic
02
Arsenic
02
Arsenic
02
How Does This Compare?
BAR HARBOR (04609) has 448 recorded violations, including 43 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.