| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 4488 | Returned to Compliance | 01-OCT-2023 | 31-DEC-2023 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 4485 | Returned to Compliance | 01-JAN-2023 | 31-MAR-2023 | Yes |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 4484 | Returned to Compliance | 01-OCT-2022 | 31-DEC-2022 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 4483 | Returned to Compliance | 01-OCT-2022 | 31-DEC-2022 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorite | 4481 | Returned to Compliance | 01-APR-2021 | 30-APR-2021 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine dioxide | 4479 | Returned to Compliance | 01-JAN-2021 | 31-JAN-2021 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorite | 4480 | Returned to Compliance | 01-JAN-2021 | 31-JAN-2021 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 4463 | Returned to Compliance | 01-OCT-2018 | 31-DEC-2018 | Yes |
| TT | Single Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 4439 | Returned to Compliance | 01-JUN-2018 | 30-JUN-2018 | Yes |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorite | 4438 | Returned to Compliance | 01-OCT-2017 | 31-OCT-2017 | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 4436 | Returned to Compliance | 04-AUG-2017 | - | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 4437 | Returned to Compliance | 04-AUG-2017 | - | No |
| MR | Monitoring, Source Water (LT2) | Long Term 2 Enhanced Surface Water Treatment Rule | Long Term 2 Enhanced Surface Water Treatment Rule | 4466 | Returned to Compliance | 01-AUG-2017 | - | No |
| MR | Monitoring, Turbidity (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 4435 | Returned to Compliance | 01-JUN-2016 | 30-JUN-2016 | No |
| MR | Monitoring, Turbidity (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 4434 | Returned to Compliance | 01-APR-2016 | 30-APR-2016 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 4433 | Returned to Compliance | 01-APR-2015 | 30-JUN-2015 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 4430 | Returned to Compliance | 01-JAN-2015 | 31-MAR-2015 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 4432 | Returned to Compliance | 01-OCT-2014 | 31-DEC-2014 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 4431 | Returned to Compliance | 01-JUL-2014 | 30-SEP-2014 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 4428 | Returned to Compliance | 01-APR-2012 | 30-JUN-2012 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 4427 | Returned to Compliance | 01-JAN-2012 | 31-MAR-2012 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 4426 | Returned to Compliance | 01-OCT-2011 | 31-DEC-2011 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 4425 | Returned to Compliance | 01-JUL-2011 | 30-SEP-2011 | Yes |
| MR | Monitoring, Regular | Inorganic Chemicals | Asbestos | 4429 | Known | 01-JAN-2011 | 31-DEC-2013 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 4421 | Returned to Compliance | 01-JAN-2010 | 31-MAR-2010 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 4420 | Returned to Compliance | 01-OCT-2009 | 31-DEC-2009 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 4419 | Returned to Compliance | 01-JUL-2009 | 30-SEP-2009 | Yes |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 4417 | Returned to Compliance | 12-SEP-2008 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 4418 | Returned to Compliance | 01-JUL-2008 | 30-SEP-2008 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Combined Uranium | 4416 | Returned to Compliance | 01-APR-2008 | 30-JUN-2008 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 4415 | Returned to Compliance | 01-APR-2008 | 30-JUN-2008 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Combined Uranium | 4412 | Returned to Compliance | 01-JAN-2008 | 31-MAR-2008 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 4413 | Returned to Compliance | 01-JAN-2008 | 31-MAR-2008 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Combined Uranium | 4410 | Returned to Compliance | 01-OCT-2007 | 31-DEC-2007 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 4411 | Returned to Compliance | 01-OCT-2007 | 31-DEC-2007 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 4409 | Returned to Compliance | 01-JUL-2007 | 30-SEP-2007 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 4408 | Returned to Compliance | 01-APR-2007 | 30-JUN-2007 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 4407 | Returned to Compliance | 01-JAN-2007 | 31-MAR-2007 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 3807 | Returned to Compliance | 01-OCT-2006 | 31-DEC-2006 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Combined Uranium | 4006 | Returned to Compliance | 01-JUL-2006 | 30-SEP-2006 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 3307 | Returned to Compliance | 01-JUL-2006 | 30-SEP-2006 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Combined Uranium | 2906 | Returned to Compliance | 01-APR-2006 | 30-JUN-2006 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 3106 | Returned to Compliance | 01-APR-2006 | 30-JUN-2006 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 2706 | Returned to Compliance | 01-JAN-2006 | 31-MAR-2006 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Combined Uranium | 4206 | Returned to Compliance | 01-JAN-2006 | 31-MAR-2006 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 1906 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 1706 | Returned to Compliance | 01-JUL-2005 | 30-SEP-2005 | Yes |
| TT | Monthly Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 2205 | Returned to Compliance | 01-APR-2005 | 30-APR-2005 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 1505 | Returned to Compliance | 01-APR-2005 | 30-JUN-2005 | Yes |
| TT | Monthly Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 2105 | Returned to Compliance | 01-FEB-2005 | 28-FEB-2005 | Yes |