| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 1314 | Known | 01-OCT-2025 | 31-DEC-2025 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 1313 | Known | 01-OCT-2025 | 31-DEC-2025 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 1278 | 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) | 1276 | Known | 01-JUL-2025 | 30-SEP-2025 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 1274 | Known | 01-APR-2025 | 30-JUN-2025 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 1272 | Known | 01-APR-2025 | 30-JUN-2025 | Yes |
| TT | Single Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 1263 | Returned to Compliance | 01-FEB-2024 | 29-FEB-2024 | Yes |
| Other | Public Notification Violation without NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 1259 | Returned to Compliance | 20-MAR-2021 | - | No |
| Other | Public Notification Violation without NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 1257 | Returned to Compliance | 20-MAR-2021 | - | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 1258 | Returned to Compliance | 19-MAR-2021 | - | No |
| TT | Single Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 1256 | Returned to Compliance | 01-FEB-2021 | 28-FEB-2021 | Yes |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 1250 | Returned to Compliance | 12-JUL-2019 | - | No |
| MR | Monitoring, Turbidity (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 1248 | Returned to Compliance | 01-JUN-2018 | 30-JUN-2018 | No |
| MR | Monitoring, Turbidity (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 1246 | Returned to Compliance | 01-MAY-2018 | 31-MAY-2018 | No |
| MR | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | Lead and Copper Rule | 1212 | Returned to Compliance | 01-OCT-2013 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 605 | Returned to Compliance | 01-APR-2005 | 30-JUN-2005 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 1105 | Returned to Compliance | 01-JAN-2005 | 31-MAR-2005 | Yes |
| MR | Monitoring, Turbidity (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 405 | Returned to Compliance | 01-DEC-2004 | 31-DEC-2004 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 105 | Returned to Compliance | 01-OCT-2004 | 31-DEC-2004 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 504 | Returned to Compliance | 01-JUL-2004 | 30-SEP-2004 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 804 | Returned to Compliance | 01-APR-2004 | 30-JUN-2004 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 704 | Returned to Compliance | 01-APR-2004 | 30-JUN-2004 | Yes |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 194 | Known | 01-JUL-1993 | 31-JUL-1993 | No |
| Other | Notification, Public | Miscellaneous Other Rules | - | 294 | Known | 01-JUL-1993 | 31-JUL-1993 | No |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 3065492 | Known | 01-MAY-1992 | 31-MAY-1992 | Yes |
| MCL | Maximum Contaminant Level Violation, Acute (TCR) | Total Coliform Rule | Coliform (TCR) | 3065292 | Known | 01-MAY-1992 | 31-MAY-1992 | Yes |
| Other | Notification, Public | Total Coliform Rule | Coliform (TCR) | 3065392 | Known | 01-MAY-1992 | 31-MAY-1992 | No |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 2059892 | Known | 01-FEB-1992 | 29-FEB-1992 | Yes |