| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 2523733 | Returned to Compliance | 10-AUG-2025 | - | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 2516435 | Open | 11-MAY-2025 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 2523732 | Returned to Compliance | 01-APR-2025 | 30-JUN-2025 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 2516434 | Returned to Compliance | 01-JAN-2025 | 31-MAR-2025 | Yes |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 2511582 | Returned to Compliance | 01-JAN-2025 | 31-JAN-2025 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 2511583 | Returned to Compliance | 01-JAN-2025 | 31-JAN-2025 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 2507871 | Returned to Compliance | 01-OCT-2024 | 31-DEC-2024 | Yes |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 2338409 | Returned to Compliance | 01-SEP-2023 | 30-SEP-2023 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 2338408 | Returned to Compliance | 01-SEP-2023 | 30-SEP-2023 | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 2103792 | Returned to Compliance | 11-NOV-2020 | - | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 2043299 | Returned to Compliance | 01-SEP-2020 | 30-SEP-2020 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 2043297 | Returned to Compliance | 01-SEP-2020 | 30-SEP-2020 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 2036711 | Returned to Compliance | 01-JUL-2020 | 31-JUL-2020 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 2036710 | Returned to Compliance | 01-JUL-2020 | 31-JUL-2020 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 2031021 | Returned to Compliance | 01-JUN-2020 | 30-JUN-2020 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 2031020 | Returned to Compliance | 01-JUN-2020 | 30-JUN-2020 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 2015481 | Returned to Compliance | 01-FEB-2020 | 29-FEB-2020 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 2015480 | Returned to Compliance | 01-FEB-2020 | 29-FEB-2020 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 2014151 | Returned to Compliance | 01-JAN-2020 | 31-JAN-2020 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 2014152 | Returned to Compliance | 01-JAN-2020 | 31-JAN-2020 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 2001537 | Returned to Compliance | 01-OCT-2019 | 31-OCT-2019 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 2001535 | Returned to Compliance | 01-OCT-2019 | 31-OCT-2019 | No |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 2001536 | Returned to Compliance | 01-OCT-2019 | 31-OCT-2019 | No |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 1929451 | Returned to Compliance | 01-JUN-2019 | 30-JUN-2019 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 1912484 | Returned to Compliance | 01-JAN-2019 | 31-MAR-2019 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 1912485 | Returned to Compliance | 01-JAN-2019 | 31-JAN-2019 | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 1826772 | Open | 11-JUL-2018 | - | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 1826771 | Open | 11-JUL-2018 | - | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 1727534 | Returned to Compliance | 01-JUN-2017 | 30-JUN-2017 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 1727533 | Returned to Compliance | 01-APR-2017 | 30-JUN-2017 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 1718659 | Returned to Compliance | 01-JAN-2017 | 31-MAR-2017 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 1718660 | Returned to Compliance | 01-JAN-2017 | 31-MAR-2017 | No |
| MR | Failure Submit IDSE/Subpart V Plan Rpt | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 1512278 | Returned to Compliance | 22-FEB-2015 | - | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 1511698 | Returned to Compliance | 01-JAN-2015 | 31-MAR-2015 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 1511701 | Returned to Compliance | 01-JAN-2015 | 31-JAN-2015 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 1409771 | Returned to Compliance | 01-OCT-2013 | 31-DEC-2013 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 1409770 | Returned to Compliance | 01-OCT-2013 | 31-DEC-2013 | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 1302567 | Returned to Compliance | 01-NOV-2012 | 30-NOV-2012 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 1121696 | Returned to Compliance | 01-APR-2011 | 30-APR-2011 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 1121695 | Returned to Compliance | 01-APR-2011 | 30-JUN-2011 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 1118484 | Returned to Compliance | 01-MAR-2011 | 31-MAR-2011 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 1118483 | Returned to Compliance | 01-JAN-2011 | 31-MAR-2011 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 1020117 | Returned to Compliance | 01-AUG-2010 | 31-AUG-2010 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 1020116 | Returned to Compliance | 01-JUL-2010 | 30-SEP-2010 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 0919447 | Returned to Compliance | 01-JUL-2009 | 31-JUL-2009 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 0919446 | Returned to Compliance | 01-JUL-2009 | 30-SEP-2009 | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 0821868 | Returned to Compliance | 11-OCT-2008 | - | No |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 0821866 | Returned to Compliance | 01-AUG-2008 | 31-AUG-2008 | Yes |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 0821867 | Returned to Compliance | 01-JUL-2008 | 30-SEP-2008 | No |
| MR | Monitoring, Routine (IDSE) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Stage 2 Disinfectants and Disinfection Byproducts Rule | #0899991 | Returned to Compliance | 01-OCT-2007 | - | No |