| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 101 | Returned to Compliance | 03-JUL-2024 | - | No |
| TT | Failure To Address Deficiency | Ground Water Rule | Groundwater Rule | 97 | Open | 21-MAY-2024 | - | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 98 | Returned to Compliance | 01-APR-2024 | 30-JUN-2024 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 96 | Returned to Compliance | 01-JAN-2024 | 31-MAR-2024 | Yes |
| TT | Failure To Address Deficiency | Ground Water Rule | Groundwater Rule | 95 | Open | 01-AUG-2023 | - | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 94 | Returned to Compliance | 01-OCT-2022 | 31-DEC-2022 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 92 | Returned to Compliance | 01-JUL-2022 | 30-SEP-2022 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 90 | Returned to Compliance | 01-APR-2022 | 30-JUN-2022 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 89 | Returned to Compliance | 01-JAN-2022 | 31-MAR-2022 | Yes |
| TT | Failure To Address Deficiency | Ground Water Rule | Groundwater Rule | 81 | Returned to Compliance | 01-AUG-2020 | - | Yes |
| TT | Failure To Address Deficiency | Ground Water Rule | Groundwater Rule | 80 | Returned to Compliance | 01-AUG-2020 | - | Yes |
| TT | Failure To Address Deficiency | Ground Water Rule | Groundwater Rule | 82 | Returned to Compliance | 01-AUG-2020 | - | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 76 | Returned to Compliance | 01-OCT-2019 | 31-DEC-2019 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 73 | Returned to Compliance | 01-JUL-2019 | 30-SEP-2019 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 70 | Returned to Compliance | 01-APR-2019 | 30-JUN-2019 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 67 | Returned to Compliance | 01-JAN-2019 | 31-MAR-2019 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 64 | Returned to Compliance | 01-OCT-2018 | 31-DEC-2018 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 60 | Returned to Compliance | 01-JUL-2018 | 30-SEP-2018 | Yes |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 59 | Returned to Compliance | 22-MAY-2018 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 57 | Returned to Compliance | 01-APR-2018 | 30-JUN-2018 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 54 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 53 | Returned to Compliance | 01-OCT-2017 | 31-DEC-2017 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 49 | Returned to Compliance | 01-JUL-2017 | 30-SEP-2017 | Yes |
| MR | Failure Submit IDSE/Subpart V Plan Rpt | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 48 | Returned to Compliance | 01-MAY-2017 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 46 | Returned to Compliance | 01-APR-2017 | 30-JUN-2017 | Yes |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 44 | Returned to Compliance | 22-FEB-2017 | - | No |
| MR | Failure Submit IDSE/Subpart V Plan Rpt | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 40 | Returned to Compliance | 31-JAN-2017 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 41 | Returned to Compliance | 01-JAN-2017 | 31-MAR-2017 | Yes |
| MR | Failure Submit IDSE/Subpart V Plan Rpt | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 36 | Returned to Compliance | 31-OCT-2016 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 35 | Returned to Compliance | 01-OCT-2016 | 31-DEC-2016 | Yes |
| Other | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | Consumer Confidence Rule | 33 | Returned to Compliance | 01-JUL-2016 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 31 | Returned to Compliance | 01-JUL-2016 | 30-SEP-2016 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 29 | Returned to Compliance | 01-APR-2016 | 30-JUN-2016 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 28 | Returned to Compliance | 01-JAN-2016 | 31-MAR-2016 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 25 | Returned to Compliance | 01-OCT-2015 | 31-DEC-2015 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 24 | Returned to Compliance | 01-JUL-2015 | 30-SEP-2015 | Yes |
| MR | Failure Submit IDSE/Subpart V Plan Rpt | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 20 | Returned to Compliance | 01-MAY-2015 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 23 | Returned to Compliance | 01-APR-2015 | 30-JUN-2015 | Yes |
| MR | Failure Submit IDSE/Subpart V Plan Rpt | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 21 | Returned to Compliance | 31-JAN-2015 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 18 | Returned to Compliance | 01-JAN-2015 | 31-MAR-2015 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 13 | Returned to Compliance | 01-OCT-2014 | 31-DEC-2014 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 11 | Returned to Compliance | 01-SEP-2014 | 30-SEP-2014 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 6 | Returned to Compliance | 01-JAN-2014 | 31-JAN-2014 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 3 | Returned to Compliance | 01-AUG-2013 | 31-AUG-2013 | Yes |