| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 2607016 | Known | 01-OCT-2025 | 31-DEC-2025 | Yes |
| Other | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | Consumer Confidence Rule | 2527242 | Returned to Compliance | 01-JUL-2025 | - | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 2208973 | Returned to Compliance | 10-FEB-2022 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 2220917 | Returned to Compliance | 01-JAN-2022 | 31-MAR-2022 | Yes |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 2133933 | Returned to Compliance | 10-NOV-2021 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 2208972 | Returned to Compliance | 01-OCT-2021 | 31-DEC-2021 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 2133932 | Returned to Compliance | 01-JUL-2021 | 30-SEP-2021 | Yes |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 1912357 | Returned to Compliance | 01-JAN-2019 | 31-JAN-2019 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 1912356 | Returned to Compliance | 01-JAN-2019 | 31-MAR-2019 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 1702950 | Returned to Compliance | 01-NOV-2016 | 30-NOV-2016 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 1702949 | Returned to Compliance | 01-OCT-2016 | 31-DEC-2016 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 1502297 | Returned to Compliance | 01-NOV-2014 | 30-NOV-2014 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 1507603 | 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) | 1438168 | Returned to Compliance | 01-JUL-2014 | 30-SEP-2014 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 1438169 | Returned to Compliance | 01-JUL-2014 | 30-SEP-2014 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 1428360 | Returned to Compliance | 01-APR-2014 | 30-JUN-2014 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 1428359 | Returned to Compliance | 01-APR-2014 | 30-JUN-2014 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 1316882 | Returned to Compliance | 01-FEB-2013 | 28-FEB-2013 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 1316881 | Returned to Compliance | 01-JAN-2013 | 31-MAR-2013 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 1221847 | Returned to Compliance | 01-JAN-2012 | 31-MAR-2012 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 1209671 | Returned to Compliance | 01-OCT-2011 | 31-DEC-2011 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 1141229 | Returned to Compliance | 01-JUL-2011 | 30-SEP-2011 | Yes |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 1133987 | Returned to Compliance | 01-JUL-2011 | 31-JUL-2011 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 1133986 | Returned to Compliance | 01-JUL-2011 | 30-SEP-2011 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 1122994 | Returned to Compliance | 01-APR-2011 | 30-JUN-2011 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 1118017 | Returned to Compliance | 01-JAN-2011 | 31-MAR-2011 | Yes |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 1017178 | Returned to Compliance | 01-JUN-2010 | 30-JUN-2010 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 1017177 | Returned to Compliance | 01-APR-2010 | 30-JUN-2010 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 0729334 | Returned to Compliance | 01-JUL-2007 | 30-SEP-2007 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 0617736 | Returned to Compliance | 01-JAN-2006 | 31-MAR-2006 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 0609306 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | Yes |
| MR | Monitoring, Regular | Inorganic Chemicals | Cadmium | 9228182 | Returned to Compliance | 27-JUN-1991 | 26-JUN-1992 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Cadmium | 8829056 | Known | 26-JUN-1987 | 25-JUN-1988 | No |