| MCL | Maximum Contaminant Level Violation, E. coli (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 292210 | Known | 01-JUL-2025 | 31-JUL-2025 | Yes |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 292201 | Returned to Compliance | 01-NOV-2022 | 30-NOV-2022 | No |
| MR | Monitoring, Turbidity (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 292199 | Returned to Compliance | 01-NOV-2022 | 30-NOV-2022 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 292200 | Returned to Compliance | 01-OCT-2022 | 31-DEC-2022 | No |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 292158 | Returned to Compliance | 01-AUG-2014 | 31-AUG-2014 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 292150 | Returned to Compliance | 01-NOV-2013 | 30-NOV-2013 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 292147 | Returned to Compliance | 01-AUG-2012 | 31-AUG-2012 | Yes |
| TT | Single Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 292146 | Returned to Compliance | 01-MAR-2012 | 31-MAR-2012 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 292145 | Returned to Compliance | 01-JUN-2011 | 30-JUN-2011 | Yes |
| MR | Monitoring, Routine (IDSE) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 292149 | Returned to Compliance | 01-OCT-2008 | 30-NOV-2008 | No |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 292115 | Returned to Compliance | 01-OCT-2007 | 31-OCT-2007 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 292118 | Returned to Compliance | 01-JUL-2007 | 30-SEP-2007 | Yes |
| TT | Single Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 292114 | Returned to Compliance | 01-JUN-2007 | 30-JUN-2007 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 292116 | 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) | 292117 | Returned to Compliance | 01-APR-2007 | 30-JUN-2007 | Yes |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 292113 | Returned to Compliance | 01-APR-2007 | 30-APR-2007 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 292112 | Returned to Compliance | 01-JAN-2007 | 31-MAR-2007 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 292108 | Returned to Compliance | 01-OCT-2006 | 31-DEC-2006 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 292111 | Returned to Compliance | 01-JUL-2006 | 30-SEP-2006 | Yes |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 292006 | Returned to Compliance | 01-APR-2006 | 30-APR-2006 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 291705 | Returned to Compliance | 01-JUL-2005 | 30-SEP-2005 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 291405 | Returned to Compliance | 01-JAN-2005 | 31-MAR-2005 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 291204 | 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) | 290904 | Returned to Compliance | 01-JAN-2004 | 31-MAR-2004 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 290804 | Returned to Compliance | 01-OCT-2003 | 31-DEC-2003 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 290703 | Returned to Compliance | 01-JUL-2003 | 30-SEP-2003 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Former Total Trihalomethane Rule | TTHM | 290300 | Returned to Compliance | 01-JUL-1999 | 30-SEP-1999 | Yes |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 29193 | Returned to Compliance | 01-FEB-1993 | 28-FEB-1993 | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 15493 | Returned to Compliance | 01-DEC-1992 | 31-DEC-1992 | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 78791 | Returned to Compliance | 01-SEP-1991 | 30-SEP-1991 | No |
| MCL | Maximum Contaminant Level Violation, Average | Former Total Trihalomethane Rule | TTHM | 186 | Returned to Compliance | 01-JUL-1986 | 31-AUG-1986 | Yes |