| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 4434 | Known | 01-JUL-2025 | 30-SEP-2025 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 4433 | Known | 01-APR-2025 | 30-JUN-2025 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 4432 | Known | 01-JAN-2025 | 31-MAR-2025 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 4431 | Known | 01-OCT-2024 | 31-DEC-2024 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 4430 | Known | 01-JUL-2024 | 30-SEP-2024 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 4428 | Known | 01-APR-2024 | 30-JUN-2024 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 4427 | Known | 01-JAN-2024 | 31-MAR-2024 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 4426 | Known | 01-JUL-2023 | 30-SEP-2023 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 4425 | Returned to Compliance | 01-JUL-2021 | 30-SEP-2021 | Yes |
| Other | Failure to Consult with State | Ground Water Rule | Groundwater Rule | 4422 | Returned to Compliance | 13-SEP-2018 | - | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 4421 | Returned to Compliance | 12-FEB-2016 | - | No |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 4420 | Returned to Compliance | 01-AUG-2015 | 31-AUG-2015 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 4419 | Returned to Compliance | 01-JUL-2015 | 31-JUL-2015 | Yes |
| MR | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | Lead and Copper Rule | 4418 | Returned to Compliance | 01-OCT-2014 | - | No |
| Other | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | Consumer Confidence Rule | 4417 | Returned to Compliance | 01-JUL-2014 | - | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 4416 | Returned to Compliance | 01-NOV-2011 | 30-NOV-2011 | No |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 4414 | Returned to Compliance | 01-JAN-2009 | 31-JAN-2009 | Yes |
| MR | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | Lead and Copper Rule | 4415 | Returned to Compliance | 01-OCT-2008 | - | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 4411 | Returned to Compliance | 01-SEP-2008 | 30-SEP-2008 | No |
| MR | Monitoring, Repeat Major (TCR) | Total Coliform Rule | Coliform (TCR) | 4410 | Returned to Compliance | 01-AUG-2008 | 31-AUG-2008 | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 4409 | Returned to Compliance | 01-JUL-2008 | 31-JUL-2008 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 4408 | Returned to Compliance | 01-OCT-2007 | 31-OCT-2007 | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 4407 | Returned to Compliance | 01-APR-2007 | - | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 3907 | Returned to Compliance | 01-MAR-2007 | 31-MAR-2007 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 3707 | Returned to Compliance | 01-OCT-2006 | 31-OCT-2006 | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 4306 | Returned to Compliance | 01-AUG-2006 | - | No |
| Other | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | Consumer Confidence Rule | 3306 | Returned to Compliance | 01-JUL-2006 | - | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 2806 | Returned to Compliance | 01-MAR-2006 | 31-MAR-2006 | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 4205 | Returned to Compliance | 01-JAN-2006 | - | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 4105 | Returned to Compliance | 01-AUG-2005 | - | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 2305 | Returned to Compliance | 01-JUL-2005 | 31-JUL-2005 | No |
| Other | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | Consumer Confidence Rule | 2105 | Returned to Compliance | 01-JUL-2005 | - | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 1905 | Returned to Compliance | 01-DEC-2004 | 31-DEC-2004 | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 1704 | Returned to Compliance | 01-JUL-2004 | 31-JUL-2004 | No |
| MCL | Maximum Contaminant Level Violation, Average | Nitrate Rule | Nitrate | 1604 | Returned to Compliance | 01-APR-2004 | 30-JUN-2004 | Yes |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 1503 | Returned to Compliance | 01-NOV-2002 | 30-NOV-2002 | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 1402 | Returned to Compliance | 01-JUN-2002 | 30-JUN-2002 | No |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 1301 | Returned to Compliance | 01-NOV-2000 | 30-NOV-2000 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 1200 | Returned to Compliance | 01-OCT-2000 | 31-DEC-2000 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 1100 | Returned to Compliance | 01-JUL-2000 | 30-SEP-2000 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Nitrate Rule | Nitrate | 1000 | Returned to Compliance | 01-APR-2000 | 30-JUN-2000 | Yes |
| Other | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | Consumer Confidence Rule | 999 | Returned to Compliance | 19-OCT-1999 | - | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 898 | Returned to Compliance | 01-MAR-1998 | 31-MAR-1998 | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 797 | Returned to Compliance | 01-MAY-1997 | 31-MAY-1997 | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 597 | Returned to Compliance | 01-OCT-1996 | 31-OCT-1996 | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 696 | Returned to Compliance | 01-SEP-1996 | 30-SEP-1996 | No |
| MR | Initial Tap Sampling for Pb and Cu | Lead and Copper Rule | Lead and Copper Rule | 493 | Returned to Compliance | 01-JUL-1993 | - | No |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 393 | Returned to Compliance | 01-DEC-1992 | 31-DEC-1992 | Yes |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 292 | Returned to Compliance | 01-NOV-1991 | 30-NOV-1991 | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 191 | Returned to Compliance | 01-JUL-1991 | 31-JUL-1991 | No |