| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 100068335 | Returned to Compliance | 01-JUN-2017 | 30-JUN-2017 | No |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 100068329 | Returned to Compliance | 01-JAN-2017 | 31-MAR-2017 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 100068326 | Returned to Compliance | 01-OCT-2016 | 31-DEC-2016 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 100068323 | Returned to Compliance | 01-JUL-2016 | 30-SEP-2016 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 100068322 | Returned to Compliance | 01-APR-2016 | 30-JUN-2016 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 100068319 | Returned to Compliance | 01-JAN-2016 | 31-MAR-2016 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 100068316 | Returned to Compliance | 01-OCT-2015 | 31-DEC-2015 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 100068315 | Returned to Compliance | 01-JUL-2015 | 30-SEP-2015 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 100068314 | Returned to Compliance | 01-APR-2015 | 30-JUN-2015 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 100068313 | Returned to Compliance | 01-JAN-2015 | 31-MAR-2015 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 100068311 | Returned to Compliance | 01-OCT-2014 | 31-DEC-2014 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 100068310 | Returned to Compliance | 01-JUL-2014 | 30-SEP-2014 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 100068308 | Returned to Compliance | 01-APR-2014 | 30-JUN-2014 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 100068307 | Returned to Compliance | 01-JAN-2014 | 31-MAR-2014 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 100068305 | Returned to Compliance | 01-OCT-2013 | 31-DEC-2013 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 100068303 | Returned to Compliance | 01-JUL-2013 | 30-SEP-2013 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 100068302 | Returned to Compliance | 01-APR-2013 | 30-JUN-2013 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 100068301 | Returned to Compliance | 01-JAN-2013 | 31-MAR-2013 | Yes |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 100068300 | Returned to Compliance | 13-DEC-2012 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 100068298 | Returned to Compliance | 01-OCT-2012 | 31-DEC-2012 | Yes |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 100068296 | Returned to Compliance | 10-SEP-2012 | - | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 100068294 | Returned to Compliance | 10-AUG-2012 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 100068295 | Returned to Compliance | 01-JUL-2012 | 30-SEP-2012 | Yes |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 100068292 | Returned to Compliance | 01-MAY-2012 | 31-MAY-2012 | No |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 100068293 | Returned to Compliance | 01-APR-2012 | 30-JUN-2012 | Yes |
| MR | Monitoring, Repeat Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 100068291 | Returned to Compliance | 01-APR-2012 | 30-APR-2012 | No |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 100068288 | Returned to Compliance | 01-JAN-2012 | 31-MAR-2012 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 100068287 | Returned to Compliance | 01-OCT-2011 | 31-DEC-2011 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 100068286 | Returned to Compliance | 01-JUL-2011 | 30-SEP-2011 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 100068285 | Returned to Compliance | 01-APR-2011 | 30-JUN-2011 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 100068284 | Returned to Compliance | 01-JAN-2011 | 31-MAR-2011 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 100068282 | Returned to Compliance | 01-OCT-2010 | 31-DEC-2010 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 100068034 | Returned to Compliance | 01-JUL-2010 | 30-SEP-2010 | Yes |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 90062877 | Returned to Compliance | 01-MAY-2010 | 31-MAY-2010 | No |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 100067769 | Returned to Compliance | 01-APR-2010 | 30-JUN-2010 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 100067078 | Returned to Compliance | 01-JAN-2010 | 31-MAR-2010 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 90064711 | Returned to Compliance | 01-OCT-2009 | 31-DEC-2009 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 90063801 | Returned to Compliance | 01-JUL-2009 | 30-SEP-2009 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 90062874 | Returned to Compliance | 01-APR-2009 | 30-JUN-2009 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 90060521 | Returned to Compliance | 01-JAN-2009 | 31-MAR-2009 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 80049267 | Returned to Compliance | 01-OCT-2008 | 31-DEC-2008 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 80040969 | Returned to Compliance | 01-JUL-2008 | 30-SEP-2008 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 1808 | Returned to Compliance | 01-APR-2008 | 30-JUN-2008 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 1708 | Returned to Compliance | 01-JAN-2008 | 31-MAR-2008 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 1608 | Returned to Compliance | 01-OCT-2007 | 31-DEC-2007 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 1508 | Returned to Compliance | 01-JUL-2007 | 30-SEP-2007 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 1407 | Returned to Compliance | 01-APR-2007 | 30-JUN-2007 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 1307 | Returned to Compliance | 01-JAN-2007 | 31-MAR-2007 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 1207 | Returned to Compliance | 01-OCT-2006 | 31-DEC-2006 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 4028392 | Known | 01-AUG-1992 | 31-AUG-1992 | Yes |