| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 6666623 | Returned to Compliance | 01-APR-2018 | 30-JUN-2018 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 6666622 | Returned to Compliance | 01-JAN-2018 | 31-MAR-2018 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 6666621 | Returned to Compliance | 01-OCT-2017 | 31-DEC-2017 | Yes |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 6666619 | Returned to Compliance | 06-SEP-2017 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 6666620 | Returned to Compliance | 01-JUL-2017 | 30-SEP-2017 | Yes |
| TT | Single Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 6666618 | Returned to Compliance | 01-AUG-2016 | 31-AUG-2016 | Yes |
| Other | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | Consumer Confidence Rule | 6666617 | Returned to Compliance | 01-JUL-2015 | - | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 6666613 | Returned to Compliance | 01-NOV-2012 | 30-NOV-2012 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 6666612 | Returned to Compliance | 01-JUL-2011 | 30-SEP-2011 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 6666611 | Returned to Compliance | 01-APR-2011 | 30-JUN-2011 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 6666610 | Returned to Compliance | 01-JAN-2011 | 31-MAR-2011 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 6666609 | Returned to Compliance | 01-OCT-2010 | 31-DEC-2010 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 6666606 | Returned to Compliance | 01-APR-2006 | 30-JUN-2006 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 6666506 | Returned to Compliance | 01-JAN-2006 | 31-MAR-2006 | Yes |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | CARBON, TOTAL | 6666305 | Returned to Compliance | 01-APR-2005 | 30-JUN-2005 | No |
| MR | Monitoring, Regular | Nitrate Rule | Nitrate | 6666195 | Returned to Compliance | 01-OCT-1994 | 31-DEC-1994 | No |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 6482194 | Returned to Compliance | 01-AUG-1994 | 31-AUG-1994 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Former Total Trihalomethane Rule | TTHM | 5792490 | Known | 01-OCT-1989 | 31-DEC-1989 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Former Total Trihalomethane Rule | TTHM | 5211088 | Known | 01-OCT-1987 | 31-DEC-1987 | Yes |