| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2025 | Active | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2025 | Active | N/A |
| TTHM | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Apr 11, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Apr 11, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Apr 11, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Apr 11, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jan 10, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jan 10, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jan 10, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jan 10, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jan 10, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jan 10, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jan 10, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jan 10, 2025 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Jan 10, 2025 | Resolved | N/A |
| Nitrite | Health-Based | N/A | 1.64 | Dec 31, 2024 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrite | Health-Based | N/A | 1.64 | Dec 31, 2024 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrite | Health-Based | N/A | 1.64 | Dec 31, 2024 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Nitrite | Health-Based | N/A | 1.64 | Dec 31, 2024 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Groundwater Rule | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Oct 31, 2024 | Resolved | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Oct 31, 2024 | Resolved | N/A |
| Chlorite | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | Anemia; nervous system effects in infants and young children |
| Chlorite | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | Anemia; nervous system effects in infants and young children |
| Chlorite | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | Anemia; nervous system effects in infants and young children |
| Chlorite | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | Anemia; nervous system effects in infants and young children |
| Groundwater Rule | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| Groundwater Rule | Monitoring | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Oct 10, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Oct 10, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Oct 10, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Oct 10, 2023 | Resolved | N/A |
| Total Polychlorinated Biphenyls (PCB) | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Total Polychlorinated Biphenyls (PCB) | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Total Polychlorinated Biphenyls (PCB) | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Total Polychlorinated Biphenyls (PCB) | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Endothall | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Endothall | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Endothall | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Toxaphene | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Endothall | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Toxaphene | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Toxaphene | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Toxaphene | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Sep 12, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Sep 12, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Sep 12, 2023 | Resolved | N/A |
| Chlorite | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | Anemia; nervous system effects in infants and young children |
| Chlorite | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | Anemia; nervous system effects in infants and young children |
| Chlorine dioxide | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Chlorine dioxide | Monitoring | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| E. COLI | Monitoring | 0 | N/A | Jul 14, 2023 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Jul 14, 2023 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| Toxaphene | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Endothall | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Endothall | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Endothall | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Endothall | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Total Polychlorinated Biphenyls (PCB) | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Toxaphene | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Toxaphene | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Toxaphene | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Total Polychlorinated Biphenyls (PCB) | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Total Polychlorinated Biphenyls (PCB) | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Total Polychlorinated Biphenyls (PCB) | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| E. COLI | Monitoring | 0 | N/A | Oct 14, 2022 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Oct 14, 2022 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| Radium-228 | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | Increased risk of cancer |
| Radium-228 | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | Increased risk of cancer |
| Radium-226 | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | Increased risk of cancer |
| Radium-226 | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | Increased risk of cancer |
| Gross Alpha, Excl. Radon and U | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Gross Alpha, Excl. Radon and U | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Toxaphene | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Total Polychlorinated Biphenyls (PCB) | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Total Polychlorinated Biphenyls (PCB) | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Endothall | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| Endothall | 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 |
| Toxaphene | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Toxaphene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Total Polychlorinated Biphenyls (PCB) | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Total Polychlorinated Biphenyls (PCB) | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Endothall | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Endothall | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Toxaphene | Monitoring | N/A | N/A | Jun 30, 2022 | Resolved | N/A |
| Nitrite | 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 |