| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 4233 | Known | 01-NOV-2025 | 30-NOV-2025 | No |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 4232 | Returned to Compliance | 01-JUN-2025 | 30-JUN-2025 | No |
| Other | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | Consumer Confidence Rule | 4230 | Returned to Compliance | 01-JAN-2022 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 4228 | Returned to Compliance | 01-OCT-2021 | 31-DEC-2021 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 4224 | Returned to Compliance | 01-JUL-2018 | 30-SEP-2018 | Yes |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 4223 | Returned to Compliance | 01-JUN-2016 | 30-JUN-2016 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 4222 | Known | 01-APR-2014 | 30-APR-2014 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 4219 | Returned to Compliance | 01-JUN-2013 | 30-JUN-2013 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 4221 | Returned to Compliance | 01-APR-2013 | 30-JUN-2013 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 4220 | Returned to Compliance | 01-APR-2013 | 30-JUN-2013 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 4218 | Returned to Compliance | 01-JAN-2013 | 31-MAR-2013 | Yes |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 4217 | Returned to Compliance | 01-DEC-2012 | 31-DEC-2012 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 4216 | Returned to Compliance | 01-OCT-2012 | 31-DEC-2012 | Yes |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 4215 | Returned to Compliance | 01-AUG-2012 | 31-AUG-2012 | No |
| Other | Operations Report | Miscellaneous Other Rules | - | 4214 | Returned to Compliance | 01-AUG-2012 | 31-AUG-2012 | No |
| Other | Operations Report | Miscellaneous Other Rules | - | 4212 | Returned to Compliance | 01-APR-2012 | 30-APR-2012 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 4213 | Returned to Compliance | 01-APR-2012 | 30-APR-2012 | No |
| MR | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | Lead and Copper Rule | 4211 | Returned to Compliance | 01-OCT-2010 | - | No |
| TT | Monthly Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 4209 | Returned to Compliance | 01-AUG-2008 | 31-AUG-2008 | Yes |
| MCL | Maximum Contaminant Level Violation, Acute (TCR) | Total Coliform Rule | Coliform (TCR) | 4008 | Returned to Compliance | 01-AUG-2008 | 31-AUG-2008 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 3908 | Returned to Compliance | 01-APR-2008 | 30-JUN-2008 | Yes |
| TT | Monthly Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 3808 | Returned to Compliance | 01-MAR-2008 | 31-MAR-2008 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 3608 | Returned to Compliance | 01-JAN-2008 | 31-MAR-2008 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 3508 | Returned to Compliance | 01-OCT-2007 | 31-DEC-2007 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 3408 | Returned to Compliance | 01-JUL-2007 | 30-SEP-2007 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 3208 | Returned to Compliance | 01-JUL-2007 | 30-SEP-2007 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 2907 | Returned to Compliance | 01-APR-2007 | 30-JUN-2007 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 3107 | Returned to Compliance | 01-APR-2007 | 30-JUN-2007 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 2807 | Returned to Compliance | 01-JAN-2007 | 31-MAR-2007 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 3007 | Returned to Compliance | 01-JAN-2007 | 31-MAR-2007 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 2507 | Returned to Compliance | 01-OCT-2006 | 31-DEC-2006 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 2607 | Returned to Compliance | 01-OCT-2006 | 31-DEC-2006 | Yes |
| TT | Monthly Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 1906 | Returned to Compliance | 01-AUG-2006 | 31-AUG-2006 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 2007 | Returned to Compliance | 01-JUL-2006 | 30-SEP-2006 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 1706 | Returned to Compliance | 01-APR-2006 | 30-JUN-2006 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 1206 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | Yes |
| TT | Monthly Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 1405 | Returned to Compliance | 01-MAR-2005 | 31-MAR-2005 | Yes |
| TT | Single Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 1305 | Returned to Compliance | 01-MAR-2005 | 31-MAR-2005 | Yes |
| TT | Monthly Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 1605 | Returned to Compliance | 01-JAN-2005 | 31-JAN-2005 | Yes |
| TT | Single Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 1505 | Returned to Compliance | 01-JAN-2005 | 31-JAN-2005 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 502 | Returned to Compliance | 01-MAR-2002 | 31-MAR-2002 | Yes |
| Other | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | Consumer Confidence Rule | 4210 | Returned to Compliance | 19-OCT-1999 | - | No |
| MCL | Maximum Contaminant Level Violation, Acute (TCR) | Total Coliform Rule | Coliform (TCR) | 499 | Known | 01-OCT-1998 | 31-OCT-1998 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 396 | Known | 01-FEB-1996 | 29-FEB-1996 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 296 | Known | 01-JAN-1996 | 31-JAN-1996 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 195 | Known | 01-JUL-1995 | 31-JUL-1995 | Yes |