| LEAD AND COPPER RULE REVISIONS | Unaddressed | Jul 2, 2025 |
| Consumer Confidence Rule | Resolved | Jul 1, 2025 to Nov 25, 2025 |
| Nitrate-Nitrite | Resolved | Jan 1, 2025 to Dec 31, 2025 |
| Stage 1 Disinfectants and Disinfection Byproducts RuleHealth-based | Resolved | Oct 9, 2024 to Jun 27, 2025 |
| Lead and Copper Rule | Resolved | Oct 1, 2024 to Apr 10, 2025 |
| Nitrate-Nitrite | Resolved | Jan 1, 2024 to Dec 31, 2024 |
| Lead and Copper Rule | Resolved | Oct 1, 2023 to Feb 20, 2025 |
| TTHM | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Arsenic | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| Cadmium | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| Fluoride | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| Mercury | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| Antimony, Total | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| Thallium, Total | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| Selenium | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| o-Dichlorobenzene | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| 1,2-Dichloroethane | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| 1,1,1-Trichloroethane | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| Trichloroethylene | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| Tetrachloroethylene | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| CHLOROBENZENE | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| Ethylbenzene | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| Styrene | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| cis-1,2-Dichloroethylene | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| 1,1,2-Trichloroethane | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| 1,2-Dichloropropane | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| DICHLOROMETHANE | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| 1,1-Dichloroethylene | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| Benzene | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| trans-1,2-Dichloroethylene | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| Xylenes, Total | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| Carbon tetrachloride | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| p-Dichlorobenzene | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| Chromium | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| Barium | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| Vinyl chloride | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| Beryllium, Total | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| Total Haloacetic Acids (HAA5) | Resolved | Jan 1, 2023 to Dec 31, 2023 |
| Toluene | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| 1,2,4-Trichlorobenzene | Resolved | Jan 1, 2023 to Dec 31, 2025 |
| Revised Total Coliform Rule | Resolved | Jul 1, 2021 to Jul 31, 2021 |