| MON | Monitoring, Additional Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 6963 | Returned to Compliance | 01-AUG-2023 | 31-AUG-2023 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | p-Dichlorobenzene | 6938 | Returned to Compliance | 01-OCT-2022 | 31-DEC-2022 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | o-Dichlorobenzene | 6937 | Returned to Compliance | 01-OCT-2022 | 31-DEC-2022 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2,4-Trichlorobenzene | 6919 | Returned to Compliance | 01-OCT-2022 | 31-DEC-2022 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Styrene | 6959 | Returned to Compliance | 01-OCT-2022 | 31-DEC-2022 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Ethylbenzene | 6955 | Returned to Compliance | 01-OCT-2022 | 31-DEC-2022 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Toluene | 6954 | Returned to Compliance | 01-OCT-2022 | 31-DEC-2022 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Benzene | 6953 | Returned to Compliance | 01-OCT-2022 | 31-DEC-2022 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | CHLOROBENZENE | 6952 | Returned to Compliance | 01-OCT-2022 | 31-DEC-2022 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Tetrachloroethylene | 6950 | Returned to Compliance | 01-OCT-2022 | 31-DEC-2022 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1,2-Trichloroethane | 6948 | Returned to Compliance | 01-OCT-2022 | 31-DEC-2022 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Trichloroethylene | 6947 | Returned to Compliance | 01-OCT-2022 | 31-DEC-2022 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2-Dichloropropane | 6946 | Returned to Compliance | 01-OCT-2022 | 31-DEC-2022 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Carbon tetrachloride | 6945 | Returned to Compliance | 01-OCT-2022 | 31-DEC-2022 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1,1-Trichloroethane | 6944 | Returned to Compliance | 01-OCT-2022 | 31-DEC-2022 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2-Dichloroethane | 6943 | Returned to Compliance | 01-OCT-2022 | 31-DEC-2022 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | trans-1,2-Dichloroethylene | 6942 | Returned to Compliance | 01-OCT-2022 | 31-DEC-2022 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1-Dichloroethylene | 6940 | Returned to Compliance | 01-OCT-2022 | 31-DEC-2022 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Vinyl chloride | 6939 | Returned to Compliance | 01-OCT-2022 | 31-DEC-2022 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | cis-1,2-Dichloroethylene | 6920 | Returned to Compliance | 01-OCT-2022 | 31-DEC-2022 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | DICHLOROMETHANE | 6933 | Returned to Compliance | 01-OCT-2022 | 31-DEC-2022 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 6908 | Returned to Compliance | 01-JUL-2021 | 30-SEP-2021 | Yes |
| MR | Monitoring, Routine (IDSE) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 6907 | Returned to Compliance | 01-JUN-2015 | 30-JUN-2015 | No |
| MR | Monitoring, Routine (IDSE) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 6906 | Returned to Compliance | 01-JUN-2015 | 30-JUN-2015 | No |
| TT | Monthly Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 6905 | Returned to Compliance | 01-MAR-2005 | 31-MAR-2005 | Yes |
| TT | Monthly Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 6805 | Returned to Compliance | 01-FEB-2005 | 28-FEB-2005 | Yes |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Ethylbenzene | 3400 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Styrene | 3000 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Antimony, Total | 6500 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Toluene | 3500 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Benzene | 3600 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | CHLOROBENZENE | 4600 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Tetrachloroethylene | 4800 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1,2-Trichloroethane | 5000 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Trichloroethylene | 5100 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2-Dichloropropane | 5200 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Carbon tetrachloride | 5300 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1,1-Trichloroethane | 5400 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2-Dichloroethane | 5500 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | trans-1,2-Dichloroethylene | 5600 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1-Dichloroethylene | 5800 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Vinyl chloride | 5900 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | p-Dichlorobenzene | 6000 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | o-Dichlorobenzene | 6100 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | DICHLOROMETHANE | 2200 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Chromium | 4100 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | cis-1,2-Dichloroethylene | 1700 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2,4-Trichlorobenzene | 1800 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Selenium | 6200 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Nickel | 3700 | Known | 01-JAN-1999 | 31-DEC-1999 | No |