| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 20220012955 | Known | 01-JAN-2022 | 31-MAR-2022 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 20220009101 | Returned to Compliance | 01-OCT-2021 | 31-DEC-2021 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 20210012119 | Returned to Compliance | 01-JUL-2021 | 30-SEP-2021 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 20210010402 | Returned to Compliance | 01-APR-2021 | 30-JUN-2021 | Yes |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 20190007853 | Returned to Compliance | 01-FEB-2019 | 28-FEB-2019 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20170007012 | Returned to Compliance | 01-JAN-2017 | 31-MAR-2017 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 20170007039 | Returned to Compliance | 01-JAN-2017 | 31-MAR-2017 | No |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 20120001722 | Returned to Compliance | 01-JAN-2012 | 31-JAN-2012 | Yes |
| MR | Failure Submit IDSE/Subpart V Plan Rpt | Stage 2 Disinfectants and Disinfection Byproducts Rule | Stage 2 Disinfectants and Disinfection Byproducts Rule | 20120001895 | Returned to Compliance | 02-JAN-2009 | - | No |
| MR | Monitoring, Routine (IDSE) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20120001811 | Returned to Compliance | 01-JUL-2008 | 30-SEP-2008 | No |
| MR | Monitoring, Routine (IDSE) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 20120001812 | Returned to Compliance | 01-JUL-2008 | 30-SEP-2008 | No |
| MR | Monitoring, Routine (IDSE) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 20120001814 | Returned to Compliance | 01-APR-2008 | 30-JUN-2008 | No |
| MR | Monitoring, Routine (IDSE) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20120001813 | Returned to Compliance | 01-APR-2008 | 30-JUN-2008 | No |
| MR | Monitoring, Routine (IDSE) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 20120002048 | Returned to Compliance | 01-JAN-2008 | 31-MAR-2008 | No |
| MR | Monitoring, Routine (IDSE) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20120002010 | Returned to Compliance | 01-JAN-2008 | 31-MAR-2008 | No |
| MR | Monitoring, Routine (IDSE) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 20120001816 | Returned to Compliance | 01-OCT-2007 | 31-DEC-2007 | No |
| MR | Monitoring, Routine (IDSE) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20120001815 | Returned to Compliance | 01-OCT-2007 | 31-DEC-2007 | No |
| Other | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | Consumer Confidence Rule | 20050008917 | Returned to Compliance | 01-JUL-2005 | - | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20060000079 | Returned to Compliance | 01-APR-2005 | 30-JUN-2005 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 20060000078 | Returned to Compliance | 01-APR-2005 | 30-JUN-2005 | No |
| Other | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | Consumer Confidence Rule | 20030004692 | Returned to Compliance | 01-JUL-2003 | - | No |
| Other | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | Consumer Confidence Rule | 20020000324 | Open | 01-JUL-2001 | - | No |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 9913272 | Known | 01-SEP-1999 | 30-SEP-1999 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 97V0001 | Known | 01-MAY-1997 | 31-MAY-1997 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 97V0002 | Known | 01-APR-1997 | 30-APR-1997 | Yes |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 95V0003 | Known | 01-SEP-1995 | 30-SEP-1995 | No |
| MR | Monitoring, Repeat Major (TCR) | Total Coliform Rule | Coliform (TCR) | 95V0002 | Known | 01-MAR-1995 | 31-MAR-1995 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 95V0001 | Known | 01-JAN-1995 | 31-JAN-1995 | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 93V0001 | Known | 01-SEP-1993 | 30-SEP-1993 | No |