| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 2605504 | Known | 01-OCT-2025 | 31-DEC-2025 | Yes |
| MR | Monitoring, Turbidity (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 2127988 | Returned to Compliance | 01-JUL-2021 | 31-JUL-2021 | No |
| MR | Monitoring, Turbidity (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 2123787 | Returned to Compliance | 01-JUN-2021 | 30-JUN-2021 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 1931881 | Returned to Compliance | 01-JUL-2019 | 31-JUL-2019 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 1931880 | Returned to Compliance | 01-JUL-2019 | 30-SEP-2019 | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 1821420 | Returned to Compliance | 20-JUL-2018 | - | No |
| RPT | Notify Level 1/Level 2 Treatment Technique Violation, Correct Action (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 1821419 | Returned to Compliance | 09-JUN-2018 | - | No |
| RPT | Reporting, Assessment Forms (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 1821418 | Returned to Compliance | 09-JUN-2018 | - | No |
| TT | Treatment Technique Precursor Removal | Stage 1 Disinfectants and Disinfection Byproducts Rule | CARBON, TOTAL | 1645354 | Returned to Compliance | 01-JUL-2016 | 30-SEP-2016 | Yes |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | CARBON, TOTAL | 1645353 | Returned to Compliance | 01-JUL-2016 | 30-SEP-2016 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | CARBON, TOTAL | 1509996 | Returned to Compliance | 01-OCT-2014 | 31-DEC-2014 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 1505467 | Returned to Compliance | 01-OCT-2014 | 31-DEC-2014 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 1505468 | Returned to Compliance | 01-OCT-2014 | 31-DEC-2014 | No |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 1423549 | Returned to Compliance | 01-MAY-2014 | 31-MAY-2014 | Yes |
| TT | Treatment Technique Precursor Removal | Stage 1 Disinfectants and Disinfection Byproducts Rule | CARBON, TOTAL | 1426829 | Returned to Compliance | 01-APR-2014 | 30-JUN-2014 | Yes |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | CARBON, TOTAL | 1426828 | Returned to Compliance | 01-APR-2014 | 30-JUN-2014 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 1019828 | Returned to Compliance | 01-AUG-2010 | 31-AUG-2010 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Pentachlorophenol | 1021868 | Returned to Compliance | 01-JAN-2010 | 31-DEC-2010 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Hexachlorocyclopentadiene | 1021866 | Returned to Compliance | 01-JAN-2010 | 31-DEC-2010 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Benzo(a)pyrene | 1021867 | Returned to Compliance | 01-JAN-2010 | 31-DEC-2010 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | CARBON, TOTAL | 0710486 | Returned to Compliance | 01-OCT-2006 | 31-DEC-2006 | No |
| MR | Monitoring, Turbidity (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 0533519 | Returned to Compliance | 01-JUL-2005 | 31-JUL-2005 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 0521816 | Returned to Compliance | 01-JAN-2005 | 31-JAN-2005 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 0521815 | Returned to Compliance | 01-JAN-2005 | 31-MAR-2005 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 0500284 | Returned to Compliance | 01-OCT-2004 | 31-OCT-2004 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | CARBON, TOTAL | 0501941 | Returned to Compliance | 01-APR-2004 | 30-JUN-2004 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 0411743 | Returned to Compliance | 01-DEC-2003 | 31-DEC-2003 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Ethylbenzene | 0411741 | Returned to Compliance | 01-JAN-2003 | 31-DEC-2003 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Toluene | 0411740 | Returned to Compliance | 01-JAN-2003 | 31-DEC-2003 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Benzene | 0411739 | Returned to Compliance | 01-JAN-2003 | 31-DEC-2003 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | CHLOROBENZENE | 0411738 | Returned to Compliance | 01-JAN-2003 | 31-DEC-2003 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Tetrachloroethylene | 0411737 | Returned to Compliance | 01-JAN-2003 | 31-DEC-2003 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1,2-Trichloroethane | 0411736 | Returned to Compliance | 01-JAN-2003 | 31-DEC-2003 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Trichloroethylene | 0411735 | Returned to Compliance | 01-JAN-2003 | 31-DEC-2003 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2-Dichloropropane | 0411734 | Returned to Compliance | 01-JAN-2003 | 31-DEC-2003 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Carbon tetrachloride | 0411733 | Returned to Compliance | 01-JAN-2003 | 31-DEC-2003 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1,1-Trichloroethane | 0411732 | Returned to Compliance | 01-JAN-2003 | 31-DEC-2003 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2-Dichloroethane | 0411731 | Returned to Compliance | 01-JAN-2003 | 31-DEC-2003 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | trans-1,2-Dichloroethylene | 0411730 | Returned to Compliance | 01-JAN-2003 | 31-DEC-2003 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1-Dichloroethylene | 0411729 | Returned to Compliance | 01-JAN-2003 | 31-DEC-2003 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | p-Dichlorobenzene | 0411728 | Returned to Compliance | 01-JAN-2003 | 31-DEC-2003 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | o-Dichlorobenzene | 0411727 | Returned to Compliance | 01-JAN-2003 | 31-DEC-2003 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | DICHLOROMETHANE | 0411726 | Returned to Compliance | 01-JAN-2003 | 31-DEC-2003 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Xylenes, Total | 0411725 | Returned to Compliance | 01-JAN-2003 | 31-DEC-2003 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | cis-1,2-Dichloroethylene | 0411724 | Returned to Compliance | 01-JAN-2003 | 31-DEC-2003 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2,4-Trichlorobenzene | 0411723 | Returned to Compliance | 01-JAN-2003 | 31-DEC-2003 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Styrene | 0411742 | Returned to Compliance | 01-JAN-2003 | 31-DEC-2003 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 0215212 | Returned to Compliance | 01-MAR-2002 | 31-MAR-2002 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 0214252 | Returned to Compliance | 01-FEB-2002 | 28-FEB-2002 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2,4-Trichlorobenzene | 0305548 | Returned to Compliance | 01-JAN-2002 | 31-DEC-2002 | No |