| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 618 | Returned to Compliance | 01-OCT-2019 | 31-DEC-2019 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 617 | Returned to Compliance | 01-JUL-2019 | 30-SEP-2019 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 615 | Returned to Compliance | 01-APR-2019 | 30-JUN-2019 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 614 | Returned to Compliance | 01-JAN-2019 | 31-MAR-2019 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 613 | Returned to Compliance | 01-OCT-2018 | 31-DEC-2018 | Yes |
| MCL | Maximum Contaminant Level Violation, E. coli (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 616 | Returned to Compliance | 01-JUL-2018 | 31-JUL-2018 | Yes |
| MCL | Maximum Contaminant Level Violation, Acute (TCR) | Total Coliform Rule | Coliform (TCR) | 612 | Returned to Compliance | 01-SEP-2015 | 30-SEP-2015 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 611 | Returned to Compliance | 01-JAN-2015 | 31-MAR-2015 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 610 | Returned to Compliance | 01-OCT-2014 | 31-DEC-2014 | Yes |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 607 | Returned to Compliance | 01-MAR-2014 | 31-MAR-2014 | No |
| Other | Operations Report | Miscellaneous Other Rules | - | 604 | Returned to Compliance | 01-SEP-2013 | 30-SEP-2013 | No |
| MCL | Maximum Contaminant Level Violation, Acute (TCR) | Total Coliform Rule | Coliform (TCR) | 606 | Returned to Compliance | 01-AUG-2013 | 31-AUG-2013 | Yes |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 609 | Known | 01-JUL-2013 | 30-SEP-2013 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 608 | Known | 01-JUL-2013 | 30-SEP-2013 | No |
| MR | Monitoring, Routine (IDSE) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 603 | Returned to Compliance | 01-OCT-2012 | 31-DEC-2012 | No |
| MR | Monitoring, Routine (IDSE) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 602 | Returned to Compliance | 01-OCT-2012 | 31-DEC-2012 | No |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 601 | Returned to Compliance | 01-JUN-2001 | 30-JUN-2001 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 496 | Known | 01-NOV-1995 | 30-NOV-1995 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 293 | Known | 01-JUL-1993 | 31-JUL-1993 | Yes |
| Other | Operations Report | Miscellaneous Other Rules | - | 593 | Returned to Compliance | 01-MAR-1993 | 31-MAR-1993 | No |
| Other | Operations Report | Miscellaneous Other Rules | - | 193 | Returned to Compliance | 01-MAR-1993 | 31-MAR-1993 | No |
| TT | Failure to Filter (SWTR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 9999997 | Returned to Compliance | 01-JAN-1992 | 30-NOV-1995 | Yes |