| Stage 1 Disinfectants and Disinfection Byproducts Rule | Health-Based | N/A | N/A | Sep 4, 2025 | Resolved | N/A |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | Health-Based | N/A | N/A | Sep 4, 2025 | Resolved | N/A |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | Health-Based | N/A | N/A | Sep 4, 2025 | Resolved | N/A |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | Health-Based | N/A | N/A | Sep 4, 2025 | Resolved | N/A |
| E. COLI | Monitoring | 0 | N/A | Jul 26, 2025 | Resolved | Severe gastrointestinal illness; may be fatal in vulnerable populations |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Active | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Apr 30, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jan 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jan 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jan 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Monitoring | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Health-Based | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Health-Based | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Health-Based | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Monitoring | N/A | N/A | Oct 16, 2024 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Monitoring | N/A | N/A | Oct 16, 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 |
| 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 |
| 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 |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | N/A |
| ETHYLENE DIBROMIDE | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Pentachlorophenol | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Heptachlor | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Heptachlor | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Heptachlor | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Dinoseb | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Dinoseb | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Dinoseb | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Radium-226 | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Increased risk of cancer |
| Radium-226 | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Increased risk of cancer |
| Radium-226 | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Increased risk of cancer |
| Atrazine | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Cardiovascular system or reproductive problems |
| Atrazine | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Cardiovascular system or reproductive problems |
| Atrazine | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Cardiovascular system or reproductive problems |
| Gross Alpha, Excl. Radon and U | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Gross Alpha, Excl. Radon and U | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Gross Alpha, Excl. Radon and U | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| BHC-GAMMA | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| BHC-GAMMA | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| BHC-GAMMA | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Methoxychlor | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Methoxychlor | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Methoxychlor | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Diquat | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Diquat | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Diquat | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Endothall | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Endothall | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Endothall | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Glyphosate | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Glyphosate | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Glyphosate | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| OXAMYL | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| OXAMYL | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| OXAMYL | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Simazine | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Simazine | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Simazine | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Picloram | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Picloram | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Picloram | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Heptachlor epoxide | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Heptachlor epoxide | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Heptachlor epoxide | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 2,4-D | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 2,4-D | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 2,4-D | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 2,4,5-TP | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 2,4,5-TP | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 2,4,5-TP | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Chlordane | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Chlordane | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Chlordane | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Dec 31, 2023 | Active | N/A |
| ETHYLENE DIBROMIDE | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 1,2-DIBROMO-3-CHLOROPROPANE | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 1,2-DIBROMO-3-CHLOROPROPANE | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Radium-228 | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Increased risk of cancer |
| Radium-228 | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Increased risk of cancer |
| Radium-228 | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | Increased risk of cancer |
| HEXACHLOROBENZENE | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| HEXACHLOROBENZENE | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| HEXACHLOROBENZENE | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Benzo(a)pyrene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Benzo(a)pyrene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Benzo(a)pyrene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| ETHYLENE DIBROMIDE | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Di(2-ethylhexyl) phthalate | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Di(2-ethylhexyl) phthalate | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Di(2-ethylhexyl) phthalate | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Toxaphene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Toxaphene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Toxaphene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Dalapon | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Dalapon | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Dalapon | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Hexachlorocyclopentadiene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Hexachlorocyclopentadiene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Hexachlorocyclopentadiene | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| LASSO | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| LASSO | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| LASSO | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Di(2-ethylhexyl) adipate | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Di(2-ethylhexyl) adipate | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Di(2-ethylhexyl) adipate | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Endrin | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Endrin | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Endrin | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Carbofuran | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Carbofuran | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Carbofuran | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Pentachlorophenol | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Pentachlorophenol | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| 1,2-DIBROMO-3-CHLOROPROPANE | Monitoring | N/A | N/A | Dec 31, 2023 | Resolved | N/A |
| Thallium, Total | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Barium | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Increase in blood pressure |
| Arsenic | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Cadmium | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Kidney damage |
| Cadmium | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Kidney damage |
| Cadmium | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Kidney damage |
| Chromium | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Allergic dermatitis |
| Chromium | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Allergic dermatitis |
| Nickel | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| CYANIDE | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Nerve damage or thyroid problems |
| CYANIDE | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Nerve damage or thyroid problems |
| Fluoride | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Mercury | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Kidney damage |
| Mercury | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Kidney damage |
| Mercury | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Kidney damage |
| Selenium | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Hair or fingernail loss; numbness in fingers or toes; circulatory problems |
| Selenium | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Hair or fingernail loss; numbness in fingers or toes; circulatory problems |
| Selenium | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Hair or fingernail loss; numbness in fingers or toes; circulatory problems |
| Thallium, Total | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Beryllium, Total | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Beryllium, Total | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Beryllium, Total | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Barium | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Increase in blood pressure |
| CYANIDE | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Nerve damage or thyroid problems |
| Barium | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Increase in blood pressure |
| Antimony, Total | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Antimony, Total | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Antimony, Total | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Nickel | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Nickel | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Thallium, Total | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | N/A |
| Chromium | Monitoring | N/A | N/A | Dec 31, 2022 | Resolved | Allergic dermatitis |