| MR | Monitoring, Routine (IDSE) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 9820004 | Returned to Compliance | 01-JAN-2013 | 31-DEC-2013 | No |
| MR | Monitoring, Routine (IDSE) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 9820003 | Returned to Compliance | 01-JAN-2013 | 31-DEC-2013 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 1120010 | Returned to Compliance | 01-JUL-2011 | 30-SEP-2011 | No |
| MCL | Maximum Contaminant Level Violation, Acute (TCR) | Total Coliform Rule | Coliform (TCR) | 1120009 | Returned to Compliance | 01-OCT-2010 | 31-OCT-2010 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 1020008 | Returned to Compliance | 01-NOV-2009 | 30-NOV-2009 | Yes |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 820007 | Returned to Compliance | 01-JAN-2006 | 31-DEC-2008 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Fluoride | 420006 | Returned to Compliance | 01-MAY-2004 | 31-MAY-2004 | No |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 320003 | Returned to Compliance | 01-AUG-2003 | 31-AUG-2003 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 9820002 | Returned to Compliance | 01-OCT-1997 | 31-OCT-1997 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 9520001 | Returned to Compliance | 01-JUN-1995 | 30-JUN-1995 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8700847 | Known | 01-SEP-1987 | 30-SEP-1987 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8700846 | Known | 01-AUG-1987 | 31-AUG-1987 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8700845 | Known | 01-JUL-1987 | 31-JUL-1987 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8700569 | Known | 01-JUN-1987 | 30-JUN-1987 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8700568 | Known | 01-MAY-1987 | 31-MAY-1987 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8700567 | Known | 01-APR-1987 | 30-APR-1987 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8700309 | Known | 01-MAR-1987 | 31-MAR-1987 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8700308 | Known | 01-FEB-1987 | 28-FEB-1987 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8600816 | Known | 01-SEP-1986 | 30-SEP-1986 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8600815 | Known | 01-AUG-1986 | 31-AUG-1986 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8600814 | Known | 01-JUL-1986 | 31-JUL-1986 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8600567 | Known | 01-JUN-1986 | 30-JUN-1986 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8600566 | Known | 01-MAY-1986 | 31-MAY-1986 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8600565 | Known | 01-APR-1986 | 30-APR-1986 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8600365 | Known | 01-MAR-1986 | 31-MAR-1986 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8600364 | Known | 01-JAN-1986 | 31-JAN-1986 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8600064 | Known | 01-DEC-1985 | 31-DEC-1985 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8600063 | Known | 01-NOV-1985 | 30-NOV-1985 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8600062 | Known | 01-OCT-1985 | 31-OCT-1985 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8500266 | Known | 01-MAR-1985 | 31-MAR-1985 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8500265 | Known | 01-FEB-1985 | 28-FEB-1985 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8500264 | Known | 01-JAN-1985 | 31-JAN-1985 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8500075 | Known | 01-DEC-1984 | 31-DEC-1984 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8500074 | Known | 01-NOV-1984 | 30-NOV-1984 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8500073 | Known | 01-OCT-1984 | 31-OCT-1984 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8400325 | Known | 01-SEP-1984 | 30-SEP-1984 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8400324 | Known | 01-AUG-1984 | 31-AUG-1984 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8400323 | Known | 01-JUL-1984 | 31-JUL-1984 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8400322 | Known | 01-JUN-1984 | 30-JUN-1984 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8400321 | Known | 01-MAY-1984 | 31-MAY-1984 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8400320 | Known | 01-APR-1984 | 30-APR-1984 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8400319 | Known | 01-MAR-1984 | 31-MAR-1984 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8400318 | Known | 01-FEB-1984 | 29-FEB-1984 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8400317 | Known | 01-JAN-1984 | 31-JAN-1984 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8400316 | Known | 01-DEC-1983 | 31-DEC-1983 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8400315 | Known | 01-NOV-1983 | 30-NOV-1983 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8400314 | Known | 01-OCT-1983 | 31-OCT-1983 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8300359 | Known | 01-SEP-1983 | 30-SEP-1983 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8300358 | Known | 01-AUG-1983 | 31-AUG-1983 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 8300357 | Known | 01-JUL-1983 | 31-JUL-1983 | Yes |