| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 204920 | Returned to Compliance | 01-JUL-2020 | 31-JUL-2020 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 205020 | Returned to Compliance | 01-JUL-2020 | 31-JUL-2020 | No |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 16420 | Returned to Compliance | 01-SEP-2019 | 30-SEP-2019 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 78315 | Returned to Compliance | 01-JAN-2015 | 31-MAR-2015 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 78215 | Returned to Compliance | 01-JAN-2015 | 31-MAR-2015 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 26315 | Returned to Compliance | 01-OCT-2014 | 31-OCT-2014 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 30515 | Returned to Compliance | 01-JUL-2014 | 30-SEP-2014 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 127914 | Returned to Compliance | 01-APR-2014 | 30-JUN-2014 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 68414 | Returned to Compliance | 01-DEC-2013 | 31-DEC-2013 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 775111 | Returned to Compliance | 01-APR-2011 | 30-APR-2011 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 168210 | Returned to Compliance | 01-JAN-2010 | 31-MAR-2010 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 39909 | Returned to Compliance | 01-NOV-2008 | 30-NOV-2008 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 479807 | Returned to Compliance | 01-JUN-2007 | 30-JUN-2007 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 476107 | Returned to Compliance | 01-APR-2007 | 30-JUN-2007 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 393107 | Returned to Compliance | 01-JAN-2007 | 31-MAR-2007 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 350207 | Returned to Compliance | 01-OCT-2006 | 31-DEC-2006 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 283306 | Returned to Compliance | 01-JUL-2006 | 30-SEP-2006 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 328706 | Returned to Compliance | 01-APR-2006 | 30-JUN-2006 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 132006 | Returned to Compliance | 01-JAN-2006 | 31-MAR-2006 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 43406 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 78706 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 41406 | Returned to Compliance | 01-JUL-2005 | 30-SEP-2005 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 205105 | Returned to Compliance | 01-APR-2005 | 30-JUN-2005 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 146905 | Returned to Compliance | 01-JAN-2005 | 31-MAR-2005 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 65805 | Returned to Compliance | 01-OCT-2004 | 31-DEC-2004 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 279704 | Returned to Compliance | 01-AUG-2004 | 31-AUG-2004 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 1303 | Returned to Compliance | 01-OCT-2002 | 31-OCT-2002 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 404102 | Returned to Compliance | 01-DEC-2001 | 31-DEC-2001 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 345001 | Returned to Compliance | 01-AUG-2001 | 31-AUG-2001 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 167796 | Returned to Compliance | 01-AUG-1996 | 31-AUG-1996 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 139995 | Returned to Compliance | 01-JUN-1995 | 30-JUN-1995 | Yes |