| MCL | Maximum Contaminant Level Violation, Acute (TCR) | Total Coliform Rule | Coliform (TCR) | 470908 | Returned to Compliance | 01-AUG-2015 | 31-AUG-2015 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 470909 | Returned to Compliance | 01-AUG-2015 | 31-AUG-2015 | Yes |
| MR | Monitoring, Repeat Major (TCR) | Total Coliform Rule | Coliform (TCR) | 470907 | Returned to Compliance | 01-AUG-2012 | 31-AUG-2012 | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 470705 | Returned to Compliance | 05-AUG-2005 | - | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 470805 | Returned to Compliance | 05-AUG-2005 | - | No |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 470505 | Returned to Compliance | 01-JUL-2005 | 31-JUL-2005 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Combined Uranium | 470605 | Returned to Compliance | 01-JUL-2005 | 30-SEP-2005 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Nitrate Rule | Nitrate-Nitrite | 470105 | Returned to Compliance | 01-APR-2005 | 30-JUN-2005 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Combined Uranium | 470205 | Returned to Compliance | 01-APR-2005 | 30-JUN-2005 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 470305 | Returned to Compliance | 01-APR-2005 | 30-JUN-2005 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 470005 | Returned to Compliance | 01-JAN-2005 | 31-MAR-2005 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Combined Uranium | 469805 | Returned to Compliance | 01-JAN-2005 | 31-MAR-2005 | Yes |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 469605 | Returned to Compliance | 24-NOV-2004 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Nitrate Rule | Nitrate-Nitrite | 469405 | Returned to Compliance | 01-OCT-2004 | 31-DEC-2004 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Combined Uranium | 469705 | Returned to Compliance | 01-OCT-2004 | 31-DEC-2004 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 469905 | Returned to Compliance | 01-OCT-2004 | 31-DEC-2004 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Combined Uranium | 469504 | Returned to Compliance | 01-JUL-2004 | 30-SEP-2004 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Combined Uranium | 469304 | Returned to Compliance | 01-APR-2004 | 30-JUN-2004 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 469104 | Returned to Compliance | 01-MAR-2004 | 31-MAR-2004 | Yes |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 469003 | Returned to Compliance | 01-OCT-2002 | 31-OCT-2002 | No |
| MCL | Maximum Contaminant Level Violation, Average | Nitrate Rule | Nitrate-Nitrite | 468802 | Returned to Compliance | 01-APR-2002 | 30-JUN-2002 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 468702 | Returned to Compliance | 01-DEC-2001 | 31-DEC-2001 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 468501 | Returned to Compliance | 01-NOV-2000 | 30-NOV-2000 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 468400 | Returned to Compliance | 01-SEP-2000 | 30-SEP-2000 | Yes |
| TT | OCCT/SOWT Study/Recommendation | Lead and Copper Rule | Lead and Copper Rule | 468399 | Returned to Compliance | 01-JAN-1998 | - | Yes |
| MR | Initial Tap Sampling for Pb and Cu | Lead and Copper Rule | Lead and Copper Rule | 116095 | Returned to Compliance | 01-JAN-1994 | - | No |
| MCL | Maximum Contaminant Level Violation, Acute (TCR) | Total Coliform Rule | Coliform (TCR) | 103093 | Known | 01-OCT-1992 | 31-OCT-1992 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 102593 | Known | 01-OCT-1992 | 31-OCT-1992 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Inorganic Chemicals | Selenium | 2V83 | Returned to Compliance | 01-OCT-1982 | 30-SEP-1983 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Inorganic Chemicals | Selenium | 1V86 | Returned to Compliance | 01-OCT-1982 | 30-SEP-1985 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Inorganic Chemicals | Selenium | 1V82 | Returned to Compliance | 30-SEP-1982 | 29-SEP-1983 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Inorganic Chemicals | Selenium | 1V83 | Returned to Compliance | 30-SEP-1982 | 29-SEP-1984 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Inorganic Chemicals | Selenium | 2V81 | Returned to Compliance | 01-OCT-1980 | 30-SEP-1981 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Inorganic Chemicals | Selenium | 22880 | Known | 23-JUN-1978 | 22-JUL-1978 | Yes |