| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 20200008620 | Returned to Compliance | 01-APR-2020 | 30-JUN-2020 | Yes |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20170010092 | Returned to Compliance | 01-JUL-2017 | 30-SEP-2017 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 20170010094 | Returned to Compliance | 01-JUL-2017 | 30-SEP-2017 | No |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 20120004391 | Returned to Compliance | 01-JUL-2012 | 31-JUL-2012 | Yes |
| MR | Failure Submit IDSE/Subpart V Plan Rpt | Stage 2 Disinfectants and Disinfection Byproducts Rule | Stage 2 Disinfectants and Disinfection Byproducts Rule | 20120001936 | Returned to Compliance | 02-JUL-2010 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 20100002712 | Returned to Compliance | 01-OCT-2009 | 31-DEC-2009 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 20090000468 | Returned to Compliance | 01-OCT-2008 | 31-DEC-2008 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 20080007377 | Returned to Compliance | 01-JUL-2008 | 30-SEP-2008 | Yes |
| MR | Monitoring, Routine (IDSE) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Stage 2 Disinfectants and Disinfection Byproducts Rule | 20120002166 | Returned to Compliance | 02-APR-2008 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 20080005744 | Returned to Compliance | 01-APR-2008 | 30-JUN-2008 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 20080005704 | Returned to Compliance | 01-APR-2008 | 30-APR-2008 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 20080003609 | Returned to Compliance | 01-JAN-2008 | 31-MAR-2008 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 20080000550 | Returned to Compliance | 01-OCT-2007 | 31-DEC-2007 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 20070007843 | Returned to Compliance | 01-JUL-2007 | 30-SEP-2007 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 20070007496 | Returned to Compliance | 01-APR-2007 | 30-JUN-2007 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 20070005358 | Returned to Compliance | 01-JAN-2007 | 31-MAR-2007 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 20070001240 | Returned to Compliance | 01-OCT-2006 | 31-DEC-2006 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 20060008504 | Returned to Compliance | 01-JUL-2006 | 30-SEP-2006 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 20060006784 | Returned to Compliance | 01-APR-2006 | 30-JUN-2006 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 20060006252 | Returned to Compliance | 01-JAN-2006 | 31-MAR-2006 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 20030000316 | Known | 01-OCT-2002 | 31-OCT-2002 | Yes |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 0103914 | Known | 01-DEC-2000 | 31-DEC-2000 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 0001589 | Known | 01-DEC-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 98V0003 | Known | 01-SEP-1998 | 30-SEP-1998 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 98V0004 | Known | 01-AUG-1998 | 31-AUG-1998 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 98V0002 | Known | 01-MAY-1998 | 31-MAY-1998 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 98V0001 | Known | 01-FEB-1998 | 28-FEB-1998 | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 97V0001 | Known | 01-SEP-1997 | 30-SEP-1997 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 92V0001 | Known | 01-SEP-1992 | 30-SEP-1992 | No |
| MCL | Maximum Contaminant Level Violation, Single Sample | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 92V0002 | Returned to Compliance | 01-APR-1992 | 31-MAR-1996 | Yes |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 91V0014 | Known | 01-AUG-1991 | 31-AUG-1991 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Selenium | 88V0002 | Known | 01-JAN-1985 | 31-DEC-1987 | No |
| MR | Monitoring, Regular | Nitrate Rule | Nitrate | 88V0003 | Known | 01-JAN-1985 | 31-DEC-1987 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Mercury | 88V0004 | Known | 01-JAN-1985 | 31-DEC-1987 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Fluoride | 88V0006 | Known | 01-JAN-1985 | 31-DEC-1987 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Cadmium | 88V0008 | Known | 01-JAN-1985 | 31-DEC-1987 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Barium | 88V0009 | Known | 01-JAN-1985 | 31-DEC-1987 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Chromium | 88V0007 | Known | 01-JAN-1985 | 31-DEC-1987 | No |
| MR | Monitoring, Regular | Arsenic Rule | Arsenic | 88V0010 | Known | 01-JAN-1985 | 31-DEC-1987 | No |