| MR | Monitoring, Regular | Volatile Organic Chemicals | cis-1,2-Dichloroethylene | 145 | Returned to Compliance | 01-APR-2019 | 30-JUN-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2,4-Trichlorobenzene | 144 | Returned to Compliance | 01-APR-2019 | 30-JUN-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | DICHLOROMETHANE | 158 | Returned to Compliance | 01-APR-2019 | 30-JUN-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | o-Dichlorobenzene | 162 | Returned to Compliance | 01-APR-2019 | 30-JUN-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | p-Dichlorobenzene | 163 | Returned to Compliance | 01-APR-2019 | 30-JUN-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Vinyl chloride | 164 | Returned to Compliance | 01-APR-2019 | 30-JUN-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1-Dichloroethylene | 165 | Returned to Compliance | 01-APR-2019 | 30-JUN-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | trans-1,2-Dichloroethylene | 167 | Returned to Compliance | 01-APR-2019 | 30-JUN-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2-Dichloroethane | 168 | Returned to Compliance | 01-APR-2019 | 30-JUN-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1,1-Trichloroethane | 169 | Returned to Compliance | 01-APR-2019 | 30-JUN-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Carbon tetrachloride | 170 | Returned to Compliance | 01-APR-2019 | 30-JUN-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2-Dichloropropane | 171 | Returned to Compliance | 01-APR-2019 | 30-JUN-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Trichloroethylene | 172 | Returned to Compliance | 01-APR-2019 | 30-JUN-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1,2-Trichloroethane | 173 | Returned to Compliance | 01-APR-2019 | 30-JUN-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Tetrachloroethylene | 175 | Returned to Compliance | 01-APR-2019 | 30-JUN-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | CHLOROBENZENE | 177 | Returned to Compliance | 01-APR-2019 | 30-JUN-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Benzene | 178 | Returned to Compliance | 01-APR-2019 | 30-JUN-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Toluene | 179 | Returned to Compliance | 01-APR-2019 | 30-JUN-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Ethylbenzene | 180 | Returned to Compliance | 01-APR-2019 | 30-JUN-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Styrene | 184 | Returned to Compliance | 01-APR-2019 | 30-JUN-2019 | No |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 133 | Returned to Compliance | 01-JUL-2018 | 30-SEP-2018 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 132 | Returned to Compliance | 01-APR-2018 | 30-JUN-2018 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 131 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 130 | Returned to Compliance | 01-JUL-2017 | 30-SEP-2017 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 129 | Returned to Compliance | 01-APR-2017 | 30-JUN-2017 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 128 | Returned to Compliance | 01-JAN-2017 | 31-MAR-2017 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 127 | Returned to Compliance | 01-OCT-2016 | 31-DEC-2016 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 126 | Returned to Compliance | 01-JUL-2016 | 30-SEP-2016 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 125 | Returned to Compliance | 01-APR-2016 | 30-JUN-2016 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 124 | Returned to Compliance | 01-JAN-2016 | 31-MAR-2016 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 123 | Returned to Compliance | 01-OCT-2015 | 31-DEC-2015 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 122 | Returned to Compliance | 01-JUL-2015 | 30-SEP-2015 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 121 | Returned to Compliance | 01-APR-2015 | 30-JUN-2015 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 120 | Returned to Compliance | 01-JAN-2015 | 31-MAR-2015 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 119 | Returned to Compliance | 01-OCT-2014 | 31-DEC-2014 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 118 | Returned to Compliance | 01-JUL-2014 | 30-SEP-2014 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 117 | Returned to Compliance | 01-APR-2014 | 30-JUN-2014 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 116 | Returned to Compliance | 01-JAN-2014 | 31-MAR-2014 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 115 | Returned to Compliance | 01-OCT-2013 | 31-DEC-2013 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 111 | Returned to Compliance | 01-JUL-2013 | 30-SEP-2013 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 110 | Returned to Compliance | 01-APR-2013 | 30-JUN-2013 | Yes |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 113 | Returned to Compliance | 01-APR-2013 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 109 | Returned to Compliance | 01-JAN-2013 | 31-MAR-2013 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 108 | Returned to Compliance | 01-OCT-2012 | 31-DEC-2012 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 107 | Returned to Compliance | 01-JUL-2012 | 30-SEP-2012 | Yes |
| TT | Treatment Technique Uncovered Reservoir | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 106 | Returned to Compliance | 13-JUN-2012 | - | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 105 | Returned to Compliance | 01-JAN-2012 | 31-MAR-2012 | Yes |