| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 28, 2025 | Active | N/A |
| Public Notice | Monitoring | N/A | N/A | Jun 29, 2025 | Active | N/A |
| Chlorine | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | Eye and nose irritation; stomach discomfort |
| Arsenic | Health-Based | N/A | 0.011 | Dec 31, 2024 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Dec 31, 2024 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Dec 31, 2024 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Public Notice | Monitoring | N/A | N/A | Nov 26, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Nov 26, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Nov 18, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Nov 18, 2024 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Nov 18, 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 | 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 | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | N/A |
| Arsenic | Health-Based | N/A | 0.011 | Sep 30, 2024 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Sep 30, 2024 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Sep 30, 2024 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Sep 30, 2024 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Jun 30, 2024 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Jun 30, 2024 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Jun 30, 2024 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Jun 30, 2024 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Mar 31, 2024 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Mar 31, 2024 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Mar 31, 2024 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Mar 31, 2024 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Dec 31, 2023 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Dec 31, 2023 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Dec 31, 2023 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Sep 30, 2023 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Sep 30, 2023 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Sep 30, 2023 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Sep 30, 2023 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Jun 30, 2023 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Jun 30, 2023 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Jun 30, 2023 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Jun 30, 2023 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Public Notice | Monitoring | N/A | N/A | Mar 15, 2023 | Resolved | N/A |
| Public Notice | Monitoring | N/A | N/A | Mar 15, 2023 | Resolved | N/A |
| Arsenic | Health-Based | N/A | 0.011 | Sep 30, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Sep 30, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Sep 30, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Sep 30, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| E. COLI | Monitoring | 0 | N/A | Jul 25, 2022 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Jul 25, 2022 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Jul 25, 2022 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| E. COLI | Monitoring | 0 | N/A | Jul 25, 2022 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| Arsenic | Health-Based | N/A | 0.012 | Jun 30, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.012 | Jun 30, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.012 | Jun 30, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.012 | Jun 30, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Mar 31, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Mar 31, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Mar 31, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Mar 31, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Dec 31, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Dec 31, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Dec 31, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.011 | Dec 31, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| 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 |