| MR | Monitoring, Regular | Synthetic Organic Chemicals | 2,3,7,8-TCDD | 2339134 | Returned to Compliance | 01-JAN-2023 | 31-DEC-2023 | No |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 2316278 | Returned to Compliance | 01-JAN-2023 | 31-JAN-2023 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 2211145 | Returned to Compliance | 01-OCT-2021 | 31-DEC-2021 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 2211144 | Returned to Compliance | 01-OCT-2021 | 31-DEC-2021 | No |
| MR | Monitoring, Turbidity (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 2202151 | Returned to Compliance | 01-OCT-2021 | 31-OCT-2021 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 2130871 | Returned to Compliance | 01-AUG-2021 | 31-AUG-2021 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 2130873 | Returned to Compliance | 01-AUG-2021 | 31-AUG-2021 | No |
| MR | Monitoring, Turbidity (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 1922160 | Returned to Compliance | 01-APR-2019 | 30-APR-2019 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 1824406 | Returned to Compliance | 01-APR-2018 | 30-JUN-2018 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 1439725 | Returned to Compliance | 01-JUL-2014 | 30-SEP-2014 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 1223367 | Returned to Compliance | 01-JAN-2012 | 31-MAR-2012 | Yes |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | CARBON, TOTAL | 1010022 | Returned to Compliance | 01-OCT-2009 | 31-DEC-2009 | No |
| MR | Monitoring, Turbidity (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 1000965 | Returned to Compliance | 01-OCT-2009 | 31-OCT-2009 | No |
| MR | Monitoring, Turbidity (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 0920858 | Returned to Compliance | 01-SEP-2009 | 30-SEP-2009 | No |
| MR | Monitoring, Turbidity (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 0920857 | Returned to Compliance | 01-AUG-2009 | 31-AUG-2009 | No |
| MR | Monitoring, Turbidity (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 0920856 | Returned to Compliance | 01-JUL-2009 | 31-JUL-2009 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | CARBON, TOTAL | 0814653 | Returned to Compliance | 01-JAN-2008 | 31-MAR-2008 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 0813821 | Returned to Compliance | 01-JAN-2008 | 31-MAR-2008 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 0813820 | Returned to Compliance | 01-JAN-2008 | 31-MAR-2008 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 0701150 | Returned to Compliance | 01-OCT-2006 | 31-DEC-2006 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 0701151 | Returned to Compliance | 01-OCT-2006 | 31-OCT-2006 | No |
| Other | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | Consumer Confidence Rule | 0627111 | Returned to Compliance | 01-JUL-2006 | - | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 0631037 | Returned to Compliance | 01-JUL-2006 | 30-SEP-2006 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 0631038 | Returned to Compliance | 01-JUL-2006 | 30-SEP-2006 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 0611920 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 0611919 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 0540403 | Returned to Compliance | 01-SEP-2005 | 30-SEP-2005 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 0536010 | Returned to Compliance | 01-AUG-2005 | 31-AUG-2005 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 0534313 | Returned to Compliance | 01-JUL-2005 | 31-JUL-2005 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 0540400 | Returned to Compliance | 01-JUL-2005 | 30-SEP-2005 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | CARBON, TOTAL | 0541356 | Returned to Compliance | 01-JUL-2005 | 30-SEP-2005 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 0526436 | Returned to Compliance | 01-MAR-2005 | 31-MAR-2005 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 0523784 | Returned to Compliance | 01-FEB-2005 | 28-FEB-2005 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 0431641 | Returned to Compliance | 01-APR-2004 | 30-APR-2004 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 0433933 | Returned to Compliance | 01-APR-2004 | 30-JUN-2004 | No |
| MR | Monitoring, Turbidity (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 0431644 | Returned to Compliance | 01-APR-2004 | 30-APR-2004 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 0433935 | Returned to Compliance | 01-APR-2004 | 30-APR-2004 | No |
| Other | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | Consumer Confidence Rule | 0400948 | Returned to Compliance | 01-OCT-2003 | - | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 0328703 | Returned to Compliance | 01-MAY-2003 | 31-MAY-2003 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 0323839 | Returned to Compliance | 01-MAR-2002 | 31-MAR-2002 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 0323838 | Returned to Compliance | 01-JAN-2002 | 31-JAN-2002 | No |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 0020310 | Returned to Compliance | 01-JAN-2000 | 31-JAN-2000 | Yes |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 0020309 | Returned to Compliance | 01-JAN-2000 | 31-JAN-2000 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Di(2-ethylhexyl) adipate | 0120616 | Returned to Compliance | 01-JAN-2000 | 31-DEC-2000 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 9561284 | Returned to Compliance | 01-MAY-1995 | 31-MAY-1995 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Benzo(a)pyrene | 9592376 | Returned to Compliance | 01-APR-1995 | 30-JUN-1995 | No |
| TT | Failure to Filter (SWTR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 9799999 | Returned to Compliance | 01-JAN-1992 | 31-AUG-1994 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Former Total Trihalomethane Rule | TTHM | 9211215 | Known | 01-OCT-1991 | 31-DEC-1991 | Yes |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Trichloroethylene | 9006783 | Known | 01-OCT-1989 | 31-DEC-1989 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Benzene | 9006784 | Known | 01-OCT-1989 | 31-DEC-1989 | No |