| Groundwater Rule | Health-Based | N/A | N/A | Jul 11, 2025 | Active | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Jul 11, 2025 | Active | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Jul 11, 2025 | Active | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Jul 11, 2025 | Active | N/A |
| Arsenic | Health-Based | N/A | 0.0102 | Mar 31, 2025 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| 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 | 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 REVISIONS | Health-Based | N/A | N/A | Oct 16, 2024 | Active | N/A |
| Fluoride | Health-Based | N/A | 5 | Jun 30, 2024 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 5 | Jun 30, 2024 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 5 | Jun 30, 2024 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 5 | Jun 30, 2024 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 5.2 | Mar 31, 2024 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 5.2 | Mar 31, 2024 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 5.2 | Mar 31, 2024 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 5.2 | Mar 31, 2024 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 5.2 | Mar 31, 2024 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 5 | Dec 31, 2023 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 5 | Dec 31, 2023 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 5 | Dec 31, 2023 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 5 | Dec 31, 2023 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 5 | Dec 31, 2023 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| TTHM | Monitoring | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| Fluoride | Health-Based | N/A | 4.8 | Sep 30, 2023 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 4.8 | Sep 30, 2023 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 4.8 | Sep 30, 2023 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 4.8 | Sep 30, 2023 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 4.8 | Sep 30, 2023 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| TTHM | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Fluoride | Health-Based | N/A | 4.5 | Jun 30, 2023 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 4.5 | Jun 30, 2023 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 4.5 | Jun 30, 2023 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 4.5 | Jun 30, 2023 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 4.5 | Jun 30, 2023 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Arsenic | Health-Based | N/A | 0.038 | Mar 31, 2023 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Fluoride | Health-Based | N/A | 4.6 | Mar 31, 2023 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 4.6 | Mar 31, 2023 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 4.6 | Mar 31, 2023 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 4.6 | Mar 31, 2023 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 4.6 | Mar 31, 2023 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Arsenic | Health-Based | N/A | 0.038 | Mar 31, 2023 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.038 | Mar 31, 2023 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.038 | Mar 31, 2023 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Fluoride | Health-Based | N/A | 4.8 | Dec 31, 2022 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 4.8 | Dec 31, 2022 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 4.8 | Dec 31, 2022 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Arsenic | Health-Based | N/A | 0.056 | Dec 31, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.056 | Dec 31, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.056 | Dec 31, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.056 | Dec 31, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Fluoride | Health-Based | N/A | 4.8 | Dec 31, 2022 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 4.8 | Dec 31, 2022 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Arsenic | Health-Based | N/A | 0.11 | Sep 30, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Fluoride | Health-Based | N/A | 5.1 | Sep 30, 2022 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Arsenic | Health-Based | N/A | 0.11 | Sep 30, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Fluoride | Health-Based | N/A | 5.1 | Sep 30, 2022 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 5.1 | Sep 30, 2022 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 5.1 | Sep 30, 2022 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 5.1 | Sep 30, 2022 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Arsenic | Health-Based | N/A | 0.11 | Sep 30, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.11 | Sep 30, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Fluoride | Health-Based | N/A | 5.6 | Jun 30, 2022 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 5.6 | Jun 30, 2022 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Arsenic | Health-Based | N/A | 0.11 | Jun 30, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.11 | Jun 30, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.11 | Jun 30, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.11 | Jun 30, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Fluoride | Health-Based | N/A | 5.6 | Jun 30, 2022 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 5.6 | Jun 30, 2022 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 5.6 | Jun 30, 2022 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Public Notice | Monitoring | N/A | N/A | May 7, 2022 | Resolved | N/A |
| Arsenic | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Fluoride | Health-Based | N/A | 5.5 | Mar 31, 2022 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Arsenic | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Fluoride | Health-Based | N/A | 5.5 | Mar 31, 2022 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 5.5 | Mar 31, 2022 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 5.5 | Mar 31, 2022 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 5.5 | Mar 31, 2022 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Arsenic | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Fluoride | Health-Based | N/A | 6.7 | 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 |
| 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 |
| Arsenic | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Fluoride | Health-Based | N/A | 6.7 | Dec 31, 2021 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 6.7 | Dec 31, 2021 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 6.7 | Dec 31, 2021 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 6.7 | Dec 31, 2021 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| 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 |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Arsenic | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Fluoride | Health-Based | N/A | 6.1 | Sep 30, 2021 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 6.1 | Sep 30, 2021 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 6.1 | Sep 30, 2021 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 6.1 | Sep 30, 2021 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Arsenic | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Fluoride | Health-Based | N/A | 6.1 | Sep 30, 2021 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Arsenic | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Fluoride | Health-Based | N/A | 5.7 | Jun 30, 2021 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Arsenic | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Fluoride | Health-Based | N/A | 5.7 | Jun 30, 2021 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 5.7 | Jun 30, 2021 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 5.7 | Jun 30, 2021 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 5.7 | Jun 30, 2021 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Monitoring | N/A | N/A | Jun 30, 2021 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 5.6 | Mar 31, 2021 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Fluoride | Health-Based | N/A | 5.6 | Mar 31, 2021 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Arsenic | Monitoring | N/A | N/A | Mar 31, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Monitoring | N/A | N/A | Mar 31, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Monitoring | N/A | N/A | Mar 31, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Fluoride | Health-Based | N/A | 5.6 | Mar 31, 2021 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |
| Arsenic | Monitoring | N/A | N/A | Mar 31, 2021 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Fluoride | Health-Based | N/A | 5.6 | Mar 31, 2021 | Resolved | Bone disease (pain and tenderness of the bones); children may get mottled teeth |