Water Quality in MAYSVILLE, OK (73057)
EPA violation data for public water systems serving ZIP code 73057.
463
Total Violations
362
Health-Based
101
Monitoring / Reporting
463
Resolved
What does this mean?
463 of 463 violations have been resolved. 362 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 101 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.
Violations Detail (463 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Jul 31, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Chlorine | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | Eye and nose irritation; stomach discomfort |
| Chlorine | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | Eye and nose irritation; stomach discomfort |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Apr 30, 2025 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Apr 30, 2025 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.08 | Mar 31, 2025 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.08 | Mar 31, 2025 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.08 | Mar 31, 2025 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.08 | Mar 31, 2025 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.063 | Mar 31, 2025 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.063 | Mar 31, 2025 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.063 | Mar 31, 2025 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.106 | Mar 31, 2025 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.106 | Mar 31, 2025 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.106 | Mar 31, 2025 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.106 | Mar 31, 2025 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.095 | Mar 31, 2025 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.095 | Mar 31, 2025 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.095 | Mar 31, 2025 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.095 | Mar 31, 2025 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.063 | Mar 31, 2025 | Resolved | N/A |
| CARBON, TOTAL | Monitoring | N/A | N/A | Feb 28, 2025 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Feb 28, 2025 | Resolved | N/A |
| CARBON, TOTAL | Monitoring | N/A | N/A | Feb 28, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Feb 28, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Feb 28, 2025 | Resolved | N/A |
| CARBON, TOTAL | Monitoring | N/A | N/A | Feb 28, 2025 | Resolved | N/A |
| Chlorine | Monitoring | N/A | N/A | Feb 28, 2025 | Resolved | Eye and nose irritation; stomach discomfort |
| CARBON, TOTAL | Monitoring | N/A | N/A | Feb 28, 2025 | Resolved | N/A |
| Chlorine | Monitoring | N/A | N/A | Feb 28, 2025 | Resolved | Eye and nose irritation; stomach discomfort |
| CARBON, TOTAL | Monitoring | N/A | N/A | Feb 28, 2025 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Feb 28, 2025 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Feb 28, 2025 | Resolved | N/A |
| CARBON, TOTAL | Monitoring | N/A | N/A | Feb 28, 2025 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Feb 28, 2025 | Resolved | N/A |
| Chlorine | Monitoring | N/A | N/A | Feb 28, 2025 | Resolved | Eye and nose irritation; stomach discomfort |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.063 | Dec 31, 2024 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.063 | Dec 31, 2024 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.097 | Dec 31, 2024 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.097 | Dec 31, 2024 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.097 | Dec 31, 2024 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.063 | Dec 31, 2024 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.063 | Dec 31, 2024 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.063 | Dec 31, 2024 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.097 | Dec 31, 2024 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.097 | Dec 31, 2024 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.097 | Dec 31, 2024 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.063 | Dec 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 | 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 |
| TTHM | Health-Based | N/A | 0.107 | Sep 30, 2024 | Resolved | N/A |
| Chlorine | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | Eye and nose irritation; stomach discomfort |
| Chlorine | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | Eye and nose irritation; stomach discomfort |
| Chlorine | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | Eye and nose irritation; stomach discomfort |
| TTHM | Health-Based | N/A | 0.107 | Sep 30, 2024 | Resolved | N/A |
| Chlorine | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | Eye and nose irritation; stomach discomfort |
| 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 |
| TTHM | Health-Based | N/A | 0.107 | Sep 30, 2024 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.107 | Sep 30, 2024 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.107 | Sep 30, 2024 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.107 | Sep 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.101 | Jun 30, 2024 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.101 | Jun 30, 2024 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.101 | Jun 30, 2024 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.101 | Jun 30, 2024 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.088 | Mar 31, 2024 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.088 | Mar 31, 2024 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.088 | Mar 31, 2024 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.088 | Mar 31, 2024 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.088 | Mar 31, 2024 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.092 | Mar 31, 2024 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.092 | Mar 31, 2024 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.092 | Mar 31, 2024 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.092 | Mar 31, 2024 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.092 | Mar 31, 2024 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Feb 29, 2024 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Feb 29, 2024 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Feb 29, 2024 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Feb 29, 2024 | Resolved | N/A |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Feb 29, 2024 | Resolved | N/A |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Feb 29, 2024 | Resolved | N/A |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Feb 29, 2024 | Resolved | N/A |
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Feb 29, 2024 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.122 | Dec 31, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.125 | Dec 31, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.125 | Dec 31, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.125 | Dec 31, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.125 | Dec 31, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.125 | Dec 31, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.122 | Dec 31, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.122 | Dec 31, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.122 | Dec 31, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.074 | Dec 31, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.074 | Dec 31, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.074 | Dec 31, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.074 | Dec 31, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.074 | Dec 31, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.122 | Dec 31, 2023 | Resolved | N/A |
| Surface Water Treatment Rule | Health-Based | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| Surface Water Treatment Rule | Health-Based | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| Surface Water Treatment Rule | Health-Based | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| Surface Water Treatment Rule | Health-Based | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| Surface Water Treatment Rule | Health-Based | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.151 | Sep 30, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Surface Water Treatment Rule | Health-Based | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.147 | Sep 30, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.147 | Sep 30, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.147 | Sep 30, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.147 | Sep 30, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.077 | Sep 30, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.077 | Sep 30, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.077 | Sep 30, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.077 | Sep 30, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.077 | Sep 30, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.077 | Sep 30, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.077 | Sep 30, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.147 | Sep 30, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.147 | Sep 30, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.151 | Sep 30, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.151 | Sep 30, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.151 | Sep 30, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.151 | Sep 30, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.151 | Sep 30, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.151 | Sep 30, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Surface Water Treatment Rule | Health-Based | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| Surface Water Treatment Rule | Health-Based | N/A | N/A | Sep 30, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.147 | Sep 30, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Surface Water Treatment Rule | Health-Based | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Surface Water Treatment Rule | Health-Based | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Surface Water Treatment Rule | Health-Based | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Surface Water Treatment Rule | Health-Based | N/A | N/A | Aug 31, 2023 | Resolved | N/A |
| Surface Water Treatment Rule | Health-Based | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Surface Water Treatment Rule | Health-Based | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Surface Water Treatment Rule | Health-Based | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Surface Water Treatment Rule | Health-Based | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.1 | Jun 30, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.1 | Jun 30, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.1 | Jun 30, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.1 | Jun 30, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.1 | Jun 30, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.1 | Jun 30, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.172 | Jun 30, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.172 | Jun 30, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.172 | Jun 30, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.172 | Jun 30, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.172 | Jun 30, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.172 | Jun 30, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.169 | Jun 30, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.169 | Jun 30, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.169 | Jun 30, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.169 | Jun 30, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.169 | Jun 30, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.169 | Jun 30, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Chlorine | Monitoring | N/A | N/A | Jun 30, 2023 | Resolved | Eye and nose irritation; stomach discomfort |
| Chlorine | Monitoring | N/A | N/A | Jun 30, 2023 | Resolved | Eye and nose irritation; stomach discomfort |
| Chlorine | Monitoring | N/A | N/A | Jun 30, 2023 | Resolved | Eye and nose irritation; stomach discomfort |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Chlorine | Monitoring | N/A | N/A | Jun 30, 2023 | Resolved | Eye and nose irritation; stomach discomfort |
| Surface Water Treatment Rule | Health-Based | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Surface Water Treatment Rule | Health-Based | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Surface Water Treatment Rule | Health-Based | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Surface Water Treatment Rule | Health-Based | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Surface Water Treatment Rule | Health-Based | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Surface Water Treatment Rule | Health-Based | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | May 31, 2023 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | May 31, 2023 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Apr 30, 2023 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Apr 30, 2023 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Apr 30, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Apr 30, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Apr 30, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Apr 30, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Apr 30, 2023 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Apr 30, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.18 | Mar 31, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.18 | Mar 31, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.164 | Mar 31, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.064 | Mar 31, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.064 | Mar 31, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.064 | Mar 31, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.064 | Mar 31, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.164 | Mar 31, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.164 | Mar 31, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.164 | Mar 31, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.1 | Mar 31, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.1 | Mar 31, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.1 | Mar 31, 2023 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.1 | Mar 31, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.18 | Mar 31, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.18 | Mar 31, 2023 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.19 | Dec 31, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.113 | Dec 31, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.19 | Dec 31, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.113 | Dec 31, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.19 | Dec 31, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.19 | Dec 31, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.084 | Dec 31, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.084 | Dec 31, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.084 | Dec 31, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.084 | Dec 31, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.084 | Dec 31, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.113 | Dec 31, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.113 | Dec 31, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.113 | Dec 31, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.162 | Dec 31, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.162 | Dec 31, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.162 | Dec 31, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.162 | Dec 31, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.162 | Dec 31, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.19 | Dec 31, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Nov 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Nov 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Nov 30, 2022 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Nov 30, 2022 | Resolved | N/A |
| Chlorine | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | Eye and nose irritation; stomach discomfort |
| TTHM | Health-Based | N/A | 0.185 | Sep 30, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.165 | Sep 30, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.165 | Sep 30, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.165 | Sep 30, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.109 | Sep 30, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.109 | Sep 30, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.109 | Sep 30, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.109 | Sep 30, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.109 | Sep 30, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.123 | Sep 30, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.123 | Sep 30, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.123 | Sep 30, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.123 | Sep 30, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.123 | Sep 30, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.185 | Sep 30, 2022 | Resolved | N/A |
| Chlorine | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | Eye and nose irritation; stomach discomfort |
| TTHM | Health-Based | N/A | 0.185 | Sep 30, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.185 | Sep 30, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.165 | Sep 30, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.185 | Sep 30, 2022 | Resolved | N/A |
| Chlorine | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | Eye and nose irritation; stomach discomfort |
| TTHM | Health-Based | N/A | 0.165 | Sep 30, 2022 | Resolved | N/A |
| Chlorine | Monitoring | N/A | N/A | Sep 30, 2022 | Resolved | Eye and nose irritation; stomach discomfort |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Aug 31, 2022 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Aug 31, 2022 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Aug 31, 2022 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Aug 31, 2022 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Aug 31, 2022 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Aug 31, 2022 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Aug 31, 2022 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Monitoring | N/A | N/A | Aug 31, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.206 | Jun 30, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.173 | Jun 30, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.173 | Jun 30, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.173 | Jun 30, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.173 | Jun 30, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.173 | Jun 30, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.206 | Jun 30, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.206 | Jun 30, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.206 | Jun 30, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.123 | Jun 30, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.123 | Jun 30, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.123 | Jun 30, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.123 | Jun 30, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.123 | Jun 30, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.124 | Jun 30, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.124 | Jun 30, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.124 | Jun 30, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.124 | Jun 30, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.124 | Jun 30, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.206 | Jun 30, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.198 | Mar 31, 2022 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.11 | Mar 31, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.11 | Mar 31, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.11 | Mar 31, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.11 | Mar 31, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.11 | Mar 31, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.112 | Mar 31, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.112 | Mar 31, 2022 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Mar 31, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.112 | Mar 31, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.112 | Mar 31, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.172 | Mar 31, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.172 | Mar 31, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.172 | Mar 31, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.172 | Mar 31, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.172 | Mar 31, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.198 | Mar 31, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.198 | Mar 31, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.198 | Mar 31, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.198 | Mar 31, 2022 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.112 | Mar 31, 2022 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.217 | Dec 31, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.217 | Dec 31, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.217 | Dec 31, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.217 | Dec 31, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.217 | Dec 31, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.115 | Dec 31, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.112 | Dec 31, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.112 | Dec 31, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.115 | Dec 31, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.115 | Dec 31, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.115 | Dec 31, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.115 | Dec 31, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.196 | Dec 31, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.196 | Dec 31, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.196 | Dec 31, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.196 | Dec 31, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.196 | Dec 31, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.112 | Dec 31, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.112 | Dec 31, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.112 | Dec 31, 2021 | Resolved | N/A |
| Chlorine | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | Eye and nose irritation; stomach discomfort |
| TTHM | Health-Based | N/A | 0.177 | Sep 30, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.199 | Sep 30, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.199 | Sep 30, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.199 | Sep 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.111 | Sep 30, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.199 | Sep 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.116 | Sep 30, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.116 | Sep 30, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.116 | Sep 30, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.116 | Sep 30, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.116 | Sep 30, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.177 | Sep 30, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.177 | Sep 30, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.111 | Sep 30, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.111 | Sep 30, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.111 | Sep 30, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.111 | Sep 30, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.177 | Sep 30, 2021 | Resolved | N/A |
| Chlorine | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | Eye and nose irritation; stomach discomfort |
| TTHM | Health-Based | N/A | 0.177 | Sep 30, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.199 | Sep 30, 2021 | Resolved | N/A |
| Chlorine | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | Eye and nose irritation; stomach discomfort |
| Chlorine | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | Eye and nose irritation; stomach discomfort |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.173 | Jun 30, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.115 | Jun 30, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.173 | Jun 30, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.184 | Jun 30, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.173 | Jun 30, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.173 | Jun 30, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.184 | Jun 30, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.114 | Jun 30, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.173 | Jun 30, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.184 | Jun 30, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.184 | Jun 30, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.184 | Jun 30, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.114 | Jun 30, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.114 | Jun 30, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.114 | Jun 30, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.114 | Jun 30, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.115 | Jun 30, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.115 | Jun 30, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.115 | Jun 30, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.115 | Jun 30, 2021 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Jun 29, 2021 | Resolved | N/A |
| TTHM | Monitoring | N/A | N/A | Jun 29, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Jun 29, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Monitoring | N/A | N/A | Jun 29, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.117 | Mar 31, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.216 | Mar 31, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.124 | Mar 31, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.216 | Mar 31, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.234 | Mar 31, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.216 | Mar 31, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.117 | Mar 31, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.117 | Mar 31, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.117 | Mar 31, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.216 | Mar 31, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.234 | Mar 31, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.234 | Mar 31, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.234 | Mar 31, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.234 | Mar 31, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.117 | Mar 31, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.124 | Mar 31, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.124 | Mar 31, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.124 | Mar 31, 2021 | Resolved | N/A |
| Total Haloacetic Acids (HAA5) | Health-Based | N/A | 0.124 | Mar 31, 2021 | Resolved | N/A |
| TTHM | Health-Based | N/A | 0.216 | Mar 31, 2021 | Resolved | N/A |
Violation Timeline
2025(43)
Interim Enhanced Surface Water Treatment Rule
38
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Chlorine
27
Chlorine
27
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Total Haloacetic Acids (HAA5)
02
Interim Enhanced Surface Water Treatment Rule
38
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Total Haloacetic Acids (HAA5)
02
CARBON, TOTAL
27
Interim Enhanced Surface Water Treatment Rule
38
CARBON, TOTAL
27
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
CARBON, TOTAL
27
Chlorine
27
CARBON, TOTAL
27
Chlorine
27
CARBON, TOTAL
27
Revised Total Coliform Rule
3A
Interim Enhanced Surface Water Treatment Rule
38
CARBON, TOTAL
27
Interim Enhanced Surface Water Treatment Rule
38
Chlorine
27
2024(52)
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
TTHM
02
TTHM
02
TTHM
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
TTHM
02
TTHM
02
TTHM
02
Total Haloacetic Acids (HAA5)
02
LEAD AND COPPER RULE REVISIONS
4G
LEAD AND COPPER RULE REVISIONS
4G
LEAD AND COPPER RULE REVISIONS
2E
LEAD AND COPPER RULE REVISIONS
2E
TTHM
02
Chlorine
27
Chlorine
27
Chlorine
27
TTHM
02
Chlorine
27
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
TTHM
02
TTHM
02
TTHM
02
TTHM
02
Revised Total Coliform Rule
3A
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
44
Surface Water Treatment Rule
36
Surface Water Treatment Rule
36
Surface Water Treatment Rule
36
Surface Water Treatment Rule
36
2023(176)
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
TTHM
02
Surface Water Treatment Rule
41
Surface Water Treatment Rule
41
Surface Water Treatment Rule
41
Surface Water Treatment Rule
41
Interim Enhanced Surface Water Treatment Rule
43
Interim Enhanced Surface Water Treatment Rule
43
Interim Enhanced Surface Water Treatment Rule
43
Interim Enhanced Surface Water Treatment Rule
43
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
44
Surface Water Treatment Rule
41
TTHM
02
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Surface Water Treatment Rule
41
TTHM
02
TTHM
02
TTHM
02
TTHM
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
TTHM
02
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
TTHM
02
TTHM
02
TTHM
02
TTHM
02
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
43
Interim Enhanced Surface Water Treatment Rule
43
TTHM
02
TTHM
02
TTHM
02
Interim Enhanced Surface Water Treatment Rule
43
Interim Enhanced Surface Water Treatment Rule
43
Surface Water Treatment Rule
41
Surface Water Treatment Rule
41
TTHM
02
Interim Enhanced Surface Water Treatment Rule
43
Interim Enhanced Surface Water Treatment Rule
43
Interim Enhanced Surface Water Treatment Rule
43
Interim Enhanced Surface Water Treatment Rule
43
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
44
Surface Water Treatment Rule
41
Surface Water Treatment Rule
41
Surface Water Treatment Rule
41
Surface Water Treatment Rule
41
Surface Water Treatment Rule
41
Surface Water Treatment Rule
41
Surface Water Treatment Rule
41
Surface Water Treatment Rule
41
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
43
Interim Enhanced Surface Water Treatment Rule
43
Interim Enhanced Surface Water Treatment Rule
43
Interim Enhanced Surface Water Treatment Rule
43
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Interim Enhanced Surface Water Treatment Rule
43
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
Interim Enhanced Surface Water Treatment Rule
43
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
44
Chlorine
27
Chlorine
27
Chlorine
27
Interim Enhanced Surface Water Treatment Rule
43
Interim Enhanced Surface Water Treatment Rule
43
Interim Enhanced Surface Water Treatment Rule
43
Interim Enhanced Surface Water Treatment Rule
43
Chlorine
27
Surface Water Treatment Rule
41
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
44
Surface Water Treatment Rule
41
Surface Water Treatment Rule
41
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
44
Interim Enhanced Surface Water Treatment Rule
44
Surface Water Treatment Rule
41
Surface Water Treatment Rule
41
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Surface Water Treatment Rule
41
Interim Enhanced Surface Water Treatment Rule
43
Interim Enhanced Surface Water Treatment Rule
43
Interim Enhanced Surface Water Treatment Rule
43
Interim Enhanced Surface Water Treatment Rule
43
Interim Enhanced Surface Water Treatment Rule
43
Interim Enhanced Surface Water Treatment Rule
43
TTHM
27
TTHM
27
TTHM
27
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
Total Haloacetic Acids (HAA5)
27
TTHM
27
TTHM
02
TTHM
02
TTHM
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
TTHM
02
TTHM
02
TTHM
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
TTHM
02
TTHM
02
2022(100)
TTHM
02
Total Haloacetic Acids (HAA5)
02
TTHM
02
Total Haloacetic Acids (HAA5)
02
TTHM
02
TTHM
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Chlorine
27
TTHM
02
TTHM
02
TTHM
02
TTHM
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
TTHM
02
Chlorine
27
TTHM
02
TTHM
02
TTHM
02
TTHM
02
Chlorine
27
TTHM
02
Chlorine
27
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
Interim Enhanced Surface Water Treatment Rule
38
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
TTHM
02
Total Haloacetic Acids (HAA5)
35
TTHM
02
TTHM
35
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
TTHM
35
Total Haloacetic Acids (HAA5)
35
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
Total Haloacetic Acids (HAA5)
02
2021(92)
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Chlorine
27
TTHM
02
TTHM
02
TTHM
02
TTHM
02
Revised Total Coliform Rule
3A
Total Haloacetic Acids (HAA5)
02
TTHM
02
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
TTHM
02
TTHM
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
TTHM
02
Chlorine
27
TTHM
02
TTHM
02
Chlorine
27
Chlorine
27
Revised Total Coliform Rule
3A
TTHM
02
Total Haloacetic Acids (HAA5)
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
Total Haloacetic Acids (HAA5)
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
TTHM
35
TTHM
35
Total Haloacetic Acids (HAA5)
35
Total Haloacetic Acids (HAA5)
35
Total Haloacetic Acids (HAA5)
02
TTHM
02
Total Haloacetic Acids (HAA5)
02
TTHM
02
TTHM
02
TTHM
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
TTHM
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
Total Haloacetic Acids (HAA5)
02
TTHM
02
How Does This Compare?
MAYSVILLE (73057) has 463 recorded violations, including 362 health-based. All violations have been resolved, which is a positive sign for current water quality. Consider testing your tap water independently for added peace of mind.
Recommended Water Filters
Based on the contaminants detected in your area, these filter types may help improve your water quality.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
Activated Carbon Filter
Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.
Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor
Look for:NSF/ANSI 42 & 53 certified
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove.