| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 960009224 | Returned to Compliance | 01-JAN-2023 | 31-JAN-2023 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 960009223 | Returned to Compliance | 01-JUL-2022 | 31-JUL-2022 | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 960009222 | Returned to Compliance | 11-JUN-2022 | - | No |
| MR | Monitoring, Turbidity (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 960009218 | Returned to Compliance | 01-JAN-2021 | 31-JAN-2021 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | CARBON, TOTAL | 960009219 | Returned to Compliance | 01-JAN-2021 | 31-MAR-2021 | No |
| MR | Monitoring, Turbidity (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 960009215 | Returned to Compliance | 01-MAR-2019 | 31-MAR-2019 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorite | 960009209 | Returned to Compliance | 01-JAN-2018 | 31-JAN-2018 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | CARBON, TOTAL | 960009205 | Known | 01-APR-2017 | 30-JUN-2017 | No |
| Other | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | Consumer Confidence Rule | 960009204 | Returned to Compliance | 01-JUL-2016 | - | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 960009197 | Returned to Compliance | 19-MAR-2016 | - | No |
| TT | Single Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 960009194 | Returned to Compliance | 01-FEB-2016 | 29-FEB-2016 | Yes |
| MR | Monitoring, Turbidity (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 105 | Returned to Compliance | 01-JAN-2005 | 31-JAN-2005 | No |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 403 | Returned to Compliance | 01-SEP-2003 | 30-SEP-2003 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 503 | Returned to Compliance | 01-OCT-2002 | 31-OCT-2002 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Former Total Trihalomethane Rule | TTHM | 960009181 | Returned to Compliance | 01-OCT-1996 | 31-DEC-1996 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Former Total Trihalomethane Rule | TTHM | 960009177 | Returned to Compliance | 01-JUL-1996 | 30-SEP-1996 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Former Total Trihalomethane Rule | TTHM | 960009168 | Returned to Compliance | 01-APR-1996 | 30-JUN-1996 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Former Total Trihalomethane Rule | TTHM | 960009158 | Returned to Compliance | 01-JAN-1996 | 31-MAR-1996 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Inorganic Chemicals | Fluoride | 76486 | Known | 20-OCT-1982 | 19-OCT-1983 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Inorganic Chemicals | Fluoride | 1223482 | Known | 19-JUL-1979 | 18-AUG-1979 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Inorganic Chemicals | Fluoride | 396785 | Known | 19-JUL-1979 | 18-JUL-1980 | Yes |