| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 1170 | Returned to Compliance | 01-APR-2022 | 30-JUN-2022 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 1169 | Returned to Compliance | 01-APR-2022 | 30-JUN-2022 | Yes |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 1168 | Returned to Compliance | 10-DEC-2021 | - | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 1166 | Returned to Compliance | 18-JUL-2021 | - | No |
| Other | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | Consumer Confidence Rule | 1167 | Returned to Compliance | 01-JUL-2021 | - | No |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 1164 | Returned to Compliance | 01-JAN-2021 | 31-JAN-2021 | No |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 1163 | Returned to Compliance | 01-DEC-2020 | 31-DEC-2020 | No |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 1162 | Returned to Compliance | 01-NOV-2020 | 30-NOV-2020 | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 1165 | Returned to Compliance | 08-OCT-2020 | - | No |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 1161 | Returned to Compliance | 01-OCT-2020 | 31-OCT-2020 | No |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 1160 | Returned to Compliance | 01-MAY-2020 | 31-MAY-2020 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 1158 | Returned to Compliance | 01-APR-2018 | 30-JUN-2018 | Yes |
| Other | Sample Siting Plan Errors (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 1159 | Open | 20-JAN-2018 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 1157 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 1156 | Returned to Compliance | 01-OCT-2017 | 31-DEC-2017 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 1154 | Returned to Compliance | 01-JUL-2017 | 30-SEP-2017 | Yes |
| MR | Monitoring, Regular | Nitrate Rule | Nitrate | 1155 | Returned to Compliance | 01-JAN-2017 | 31-MAR-2017 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 1153 | Returned to Compliance | 01-OCT-2014 | 31-DEC-2014 | Yes |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | CARBON, TOTAL | 1152 | Returned to Compliance | 01-OCT-2014 | 31-DEC-2014 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 1151 | Returned to Compliance | 01-JUL-2014 | 30-SEP-2014 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 1150 | Returned to Compliance | 01-JUL-2014 | 30-SEP-2014 | Yes |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | CARBON, TOTAL | 1149 | Known | 01-JUL-2010 | 30-SEP-2010 | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 1148 | Open | 10-MAR-2006 | - | No |
| TT | Single Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 1146 | Known | 01-MAR-2006 | 31-MAR-2006 | Yes |
| MR | Monitoring, Turbidity (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 1147 | Known | 01-NOV-2005 | 30-NOV-2005 | No |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 204 | Known | 01-NOV-2005 | 30-NOV-2005 | Yes |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | CARBON, TOTAL | 263 | Returned to Compliance | 01-OCT-2004 | 31-DEC-2004 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | CARBON, TOTAL | 682 | Returned to Compliance | 01-JAN-2004 | 31-MAR-2004 | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 23 | Known | 01-OCT-2000 | 31-OCT-2000 | No |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 9800048 | Known | 01-NOV-1997 | 30-NOV-1997 | Yes |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 9402480 | Known | 01-JUN-1994 | 30-JUN-1994 | No |