| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 27 | Returned to Compliance | 01-JAN-2023 | 31-MAR-2023 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 26 | Returned to Compliance | 01-JAN-2023 | 31-MAR-2023 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 25 | Returned to Compliance | 01-OCT-2022 | 31-DEC-2022 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 23 | Returned to Compliance | 01-JUL-2022 | 30-SEP-2022 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 22 | Returned to Compliance | 01-APR-2022 | 30-JUN-2022 | Yes |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 18 | Returned to Compliance | 01-OCT-2020 | 31-DEC-2020 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 19 | Returned to Compliance | 01-OCT-2020 | 31-DEC-2020 | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 21 | Open | 13-AUG-2017 | - | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Picloram | 14 | Known | 01-JAN-2014 | 31-DEC-2016 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Picloram | 15 | Known | 01-JAN-2014 | 31-DEC-2016 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 8 | Returned to Compliance | 01-DEC-2011 | 31-DEC-2011 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 9 | Returned to Compliance | 01-DEC-2011 | 31-DEC-2011 | No |
| MR | Monitoring, Turbidity (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 11 | Returned to Compliance | 01-DEC-2011 | 31-DEC-2011 | No |
| MR | Monitoring, Turbidity (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 10 | Returned to Compliance | 01-DEC-2011 | 31-DEC-2011 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 12 | Returned to Compliance | 01-DEC-2011 | 31-DEC-2011 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 13 | Returned to Compliance | 01-OCT-2011 | 31-DEC-2011 | No |
| MR | Failure Submit IDSE/Subpart V Plan Rpt | Stage 2 Disinfectants and Disinfection Byproducts Rule | Stage 2 Disinfectants and Disinfection Byproducts Rule | 7 | Returned to Compliance | 01-JUL-2010 | - | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 6 | Returned to Compliance | 01-JAN-2010 | 31-MAR-2010 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 5 | Returned to Compliance | 01-JAN-2010 | 31-MAR-2010 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 4 | Returned to Compliance | 01-OCT-2008 | 31-DEC-2008 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 3 | Returned to Compliance | 01-JUL-2008 | 30-SEP-2008 | Yes |
| MR | Monitoring, Source Water (LT2) | Long Term 2 Enhanced Surface Water Treatment Rule | Long Term 2 Enhanced Surface Water Treatment Rule | 1 | Returned to Compliance | 01-JUL-2008 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 2 | Returned to Compliance | 01-APR-2008 | 30-JUN-2008 | Yes |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 9700788 | Known | 01-JUL-1997 | 31-JUL-1997 | No |