| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorite | 931 | Returned to Compliance | 01-MAR-2023 | 31-MAR-2023 | Yes |
| Other | Public Notification Violation without NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 928 | Returned to Compliance | 03-JUL-2022 | - | No |
| Other | Public Notification Violation without NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 926 | Returned to Compliance | 03-JUL-2022 | - | No |
| Other | Public Notification Violation without NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 927 | Returned to Compliance | 03-JUL-2022 | - | No |
| Other | Public Notification Violation without NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 929 | Returned to Compliance | 03-JUL-2022 | - | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorite | 909 | Returned to Compliance | 01-JUL-2020 | 31-JUL-2020 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorite | 908 | Returned to Compliance | 01-JUN-2020 | 30-JUN-2020 | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 818 | Returned to Compliance | 17-MAY-2019 | - | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 817 | Returned to Compliance | 02-MAR-2019 | - | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Endrin | 796 | Known | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | 1,2-DIBROMO-3-CHLOROPROPANE | 768 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Styrene | 795 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Ethylbenzene | 794 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Toluene | 793 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Benzene | 792 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | CHLOROBENZENE | 791 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Tetrachloroethylene | 790 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1,2-Trichloroethane | 789 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Trichloroethylene | 788 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2-Dichloropropane | 787 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Carbon tetrachloride | 786 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1,1-Trichloroethane | 785 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2-Dichloroethane | 784 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | trans-1,2-Dichloroethylene | 783 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1-Dichloroethylene | 782 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Vinyl chloride | 781 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | p-Dichlorobenzene | 780 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | o-Dichlorobenzene | 779 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | DICHLOROMETHANE | 778 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Xylenes, Total | 777 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | cis-1,2-Dichloroethylene | 776 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2,4-Trichlorobenzene | 775 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | 2,4,5-TP | 816 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | 2,4-D | 815 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorite | 617 | Returned to Compliance | 01-JAN-2018 | 31-JAN-2018 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Aldicarb | 774 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Carbofuran | 773 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Aldicarb sulfone | 772 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Aldicarb sulfoxide | 771 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Dinoseb | 814 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Picloram | 813 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | OXAMYL | 770 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Dalapon | 812 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | ETHYLENE DIBROMIDE | 769 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Chlordane | 811 | Known | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Pentachlorophenol | 810 | Known | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Benzo(a)pyrene | 809 | Known | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | HEXACHLOROBENZENE | 808 | Known | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Heptachlor epoxide | 807 | Known | 01-JAN-2018 | 31-MAR-2018 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Heptachlor | 806 | Known | 01-JAN-2018 | 31-MAR-2018 | No |