| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 2430 | Returned to Compliance | 01-APR-2024 | 30-JUN-2024 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 2427 | Returned to Compliance | 01-JAN-2024 | 31-MAR-2024 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 2424 | Returned to Compliance | 01-OCT-2023 | 31-DEC-2023 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 2421 | Returned to Compliance | 01-JUL-2023 | 30-SEP-2023 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 2419 | Returned to Compliance | 01-APR-2023 | 30-JUN-2023 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 2413 | Returned to Compliance | 01-AUG-2015 | 31-AUG-2015 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 2412 | Returned to Compliance | 01-APR-2014 | 30-APR-2014 | Yes |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 2416 | Returned to Compliance | 01-OCT-2013 | 31-DEC-2013 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 2415 | Returned to Compliance | 01-OCT-2013 | 31-DEC-2013 | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 2411 | Returned to Compliance | 01-SEP-2013 | 30-SEP-2013 | No |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 2410 | Returned to Compliance | 01-JUN-2010 | 30-JUN-2010 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 2408 | Returned to Compliance | 01-OCT-2008 | 31-OCT-2008 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 2407 | Returned to Compliance | 01-JUN-2008 | 30-JUN-2008 | Yes |
| Other | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | Consumer Confidence Rule | 2103 | Returned to Compliance | 01-JUL-2003 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Former Total Trihalomethane Rule | TTHM | 2003 | Returned to Compliance | 01-JAN-2003 | 31-MAR-2003 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Former Total Trihalomethane Rule | TTHM | 1903 | Returned to Compliance | 01-OCT-2002 | 31-DEC-2002 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 1801 | Returned to Compliance | 01-SEP-2001 | 30-SEP-2001 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 1701 | Returned to Compliance | 01-AUG-2001 | 31-AUG-2001 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 1601 | Returned to Compliance | 01-JUL-2001 | 31-JUL-2001 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Former Total Trihalomethane Rule | TTHM | 1501 | Returned to Compliance | 01-APR-2001 | 30-JUN-2001 | Yes |
| Other | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | Consumer Confidence Rule | 1400 | Returned to Compliance | 01-JUL-2000 | - | No |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 1300 | Returned to Compliance | 01-JAN-2000 | 31-JAN-2000 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 1299 | Returned to Compliance | 01-SEP-1999 | 30-SEP-1999 | Yes |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 1198 | Returned to Compliance | 01-JUL-1998 | 31-JUL-1998 | No |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 1098 | Returned to Compliance | 01-DEC-1997 | 31-DEC-1997 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 996 | Returned to Compliance | 01-AUG-1996 | 31-AUG-1996 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 894 | Returned to Compliance | 01-MAR-1994 | 31-MAR-1994 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 794 | Returned to Compliance | 01-FEB-1994 | 28-FEB-1994 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 694 | Returned to Compliance | 01-JAN-1994 | 31-JAN-1994 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 594 | Returned to Compliance | 01-DEC-1993 | 31-DEC-1993 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 494 | Returned to Compliance | 01-NOV-1993 | 30-NOV-1993 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 394 | Returned to Compliance | 01-OCT-1993 | 31-OCT-1993 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 293 | Returned to Compliance | 01-SEP-1993 | 30-SEP-1993 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 193 | Returned to Compliance | 01-AUG-1993 | 31-AUG-1993 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Former Total Trihalomethane Rule | TTHM | 8625086 | Returned to Compliance | 01-OCT-1985 | 31-DEC-1985 | Yes |