| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 4753 | Known | 01-OCT-2025 | 31-DEC-2025 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 4752 | Known | 01-OCT-2025 | 31-DEC-2025 | Yes |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 4731 | Open | 25-AUG-2025 | - | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 4729 | Open | 25-AUG-2025 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 4742 | Known | 01-JUL-2025 | 30-SEP-2025 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 4743 | Known | 01-JUL-2025 | 30-SEP-2025 | Yes |
| Other | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | Consumer Confidence Rule | 4755 | Open | 01-JUL-2025 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 4721 | Known | 01-APR-2025 | 30-JUN-2025 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 4719 | Known | 01-APR-2025 | 30-JUN-2025 | Yes |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 4712 | Returned to Compliance | 20-FEB-2025 | - | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 4700 | Returned to Compliance | 24-AUG-2024 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 4702 | Known | 01-JUL-2024 | 30-SEP-2024 | Yes |
| MR | Failure Submit IDSE/Subpart V Plan Rpt | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 4694 | Returned to Compliance | 03-JUN-2024 | - | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 4693 | Open | 14-APR-2024 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 4695 | Known | 01-APR-2024 | 30-JUN-2024 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 4697 | Returned to Compliance | 01-APR-2024 | 30-JUN-2024 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 4690 | Known | 01-JAN-2024 | 31-MAR-2024 | Yes |
| Other | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | Consumer Confidence Rule | 4683 | Returned to Compliance | 01-JUL-2023 | - | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 4681 | Returned to Compliance | 01-FEB-2023 | 28-FEB-2023 | No |
| Other | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | Consumer Confidence Rule | 4680 | Returned to Compliance | 01-JUL-2022 | - | No |
| MR | Lead Consumer Notice | Lead and Copper Rule | Lead and Copper Rule | 4674 | Returned to Compliance | 30-DEC-2021 | - | No |
| TT | Treatment Technique (SWTR and GWR) | Long Term 2 Enhanced Surface Water Treatment Rule | Long Term 2 Enhanced Surface Water Treatment Rule | 4672 | Returned to Compliance | 01-APR-2021 | 30-APR-2021 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 4655 | Returned to Compliance | 01-JAN-2021 | 31-MAR-2021 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 4653 | Returned to Compliance | 01-OCT-2020 | 31-DEC-2020 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 4647 | Returned to Compliance | 01-JUL-2020 | 30-SEP-2020 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Long Term 2 Enhanced Surface Water Treatment Rule | Long Term 2 Enhanced Surface Water Treatment Rule | 4651 | Returned to Compliance | 01-JUL-2020 | 31-JUL-2020 | Yes |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 4644 | Returned to Compliance | 18-JUN-2020 | - | No |
| TT | Treatment Technique, Corrective/Expedited Actions (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 4642 | Returned to Compliance | 01-JUN-2020 | - | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 4643 | Returned to Compliance | 01-APR-2020 | 30-JUN-2020 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 4637 | Returned to Compliance | 01-JAN-2020 | 31-MAR-2020 | Yes |
| MR | Monitoring of Treatment (SWTR-Filter) | Long Term 2 Enhanced Surface Water Treatment Rule | Long Term 2 Enhanced Surface Water Treatment Rule | 4636 | Returned to Compliance | 01-DEC-2019 | 31-DEC-2019 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 4633 | Returned to Compliance | 01-OCT-2019 | 31-DEC-2019 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 4626 | Returned to Compliance | 01-JUL-2019 | 30-SEP-2019 | Yes |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 4624 | Returned to Compliance | 21-JAN-2019 | - | No |
| TT | Treatment Technique, Level 1 Assessment (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 4622 | Returned to Compliance | 01-OCT-2018 | - | Yes |
| MR | Lead Consumer Notice | Lead and Copper Rule | Lead and Copper Rule | 4620 | Returned to Compliance | 30-DEC-2017 | - | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 4616 | Returned to Compliance | 31-JUL-2017 | - | No |
| TT | Monthly Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 4617 | Returned to Compliance | 01-JUL-2017 | 31-JUL-2017 | Yes |
| TT | Monthly Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 4615 | Returned to Compliance | 01-JUN-2017 | 30-JUN-2017 | Yes |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 4614 | Returned to Compliance | 01-DEC-2016 | - | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 4611 | Returned to Compliance | 19-OCT-2016 | - | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 4612 | Returned to Compliance | 17-OCT-2016 | - | No |
| TT | Failure to Filter (SWTR) | Long Term 2 Enhanced Surface Water Treatment Rule | Long Term 2 Enhanced Surface Water Treatment Rule | 4609 | Returned to Compliance | 01-OCT-2016 | - | Yes |
| TT | Failure to Filter (SWTR) | Long Term 2 Enhanced Surface Water Treatment Rule | Long Term 2 Enhanced Surface Water Treatment Rule | 4606 | Returned to Compliance | 01-SEP-2016 | - | Yes |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 4613 | Returned to Compliance | 31-AUG-2016 | - | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 4604 | Returned to Compliance | 31-JUL-2016 | - | No |
| TT | Monthly Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 4602 | Returned to Compliance | 01-JUL-2016 | 31-JUL-2016 | Yes |
| MR | Monitoring, Turbidity (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 4598 | Returned to Compliance | 01-JUN-2016 | 30-JUN-2016 | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 4601 | Returned to Compliance | 01-JUN-2016 | - | No |
| TT | Single Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 4596 | Returned to Compliance | 01-JUN-2016 | 30-JUN-2016 | Yes |