| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20240001414 | Returned to Compliance | 01-OCT-2023 | 31-DEC-2023 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 20240001346 | Returned to Compliance | 01-OCT-2023 | 31-DEC-2023 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20220001396 | Returned to Compliance | 01-OCT-2021 | 31-DEC-2021 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 20190009635 | Returned to Compliance | 01-APR-2019 | 30-JUN-2019 | No |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 20180000596 | Returned to Compliance | 01-DEC-2017 | 31-DEC-2017 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 20090004310 | Returned to Compliance | 01-APR-2009 | 30-JUN-2009 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 20090003439 | Returned to Compliance | 01-JAN-2009 | 31-MAR-2009 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 20090001505 | Returned to Compliance | 01-OCT-2008 | 31-DEC-2008 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 20080007705 | Returned to Compliance | 01-JUL-2008 | 30-SEP-2008 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 20080006330 | Returned to Compliance | 01-APR-2008 | 30-JUN-2008 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 20080003139 | Returned to Compliance | 01-OCT-2007 | 31-DEC-2007 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 20080000034 | Returned to Compliance | 01-JUL-2007 | 30-SEP-2007 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 20070004779 | Returned to Compliance | 01-JAN-2007 | 31-MAR-2007 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 20070005017 | Returned to Compliance | 01-OCT-2006 | 31-DEC-2006 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 20050009376 | Known | 01-AUG-2005 | 31-AUG-2005 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 20060004152 | Returned to Compliance | 01-JUL-2005 | 30-SEP-2005 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 20060004151 | Returned to Compliance | 01-APR-2005 | 30-JUN-2005 | Yes |
| MR | Monitoring, Regular | Inorganic Chemicals | Thallium, Total | 94V0002 | Known | 01-OCT-1993 | 31-DEC-1993 | No |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 91V0001 | Known | 01-JUL-1991 | 31-JUL-1991 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 88V0001 | Known | 20-JAN-1988 | 19-JAN-1992 | Yes |