| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 113218 | Returned to Compliance | 01-APR-2018 | 30-APR-2018 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 26113 | Returned to Compliance | 01-OCT-2012 | 31-DEC-2012 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 1087612 | Returned to Compliance | 01-JUL-2012 | 30-SEP-2012 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 1015612 | Returned to Compliance | 01-APR-2012 | 30-JUN-2012 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 1002312 | Returned to Compliance | 01-JAN-2012 | 31-MAR-2012 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 944012 | Returned to Compliance | 01-OCT-2011 | 31-DEC-2011 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 882311 | Returned to Compliance | 01-JUL-2011 | 30-SEP-2011 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 792211 | Returned to Compliance | 01-APR-2011 | 30-JUN-2011 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 787211 | Returned to Compliance | 01-JAN-2011 | 31-MAR-2011 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 691111 | Returned to Compliance | 01-OCT-2010 | 31-DEC-2010 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 660110 | Returned to Compliance | 01-JUL-2010 | 30-SEP-2010 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 168110 | Returned to Compliance | 01-APR-2010 | 30-JUN-2010 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 412691 | Returned to Compliance | 01-JUL-1991 | 31-JUL-1991 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 402591 | Returned to Compliance | 01-JUN-1991 | 30-JUN-1991 | Yes |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Xylenes, Total | 425892 | Returned to Compliance | 01-JAN-1991 | 31-JAN-1991 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | DICHLOROMETHANE | 423892 | Returned to Compliance | 01-JAN-1991 | 31-JAN-1991 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | o-Dichlorobenzene | 424292 | Returned to Compliance | 01-JAN-1991 | 31-JAN-1991 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | trans-1,2-Dichloroethylene | 424792 | Returned to Compliance | 01-JAN-1991 | 31-JAN-1991 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Styrene | 424492 | Returned to Compliance | 01-JAN-1991 | 31-JAN-1991 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1,2-Trichloroethane | 425192 | Returned to Compliance | 01-JAN-1991 | 31-JAN-1991 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Tetrachloroethylene | 424592 | Returned to Compliance | 01-JAN-1991 | 31-JAN-1991 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | CHLOROBENZENE | 423192 | Returned to Compliance | 01-JAN-1991 | 31-JAN-1991 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Toluene | 424692 | Returned to Compliance | 01-JAN-1991 | 31-JAN-1991 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Ethylbenzene | 423992 | Returned to Compliance | 01-JAN-1991 | 31-JAN-1991 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | cis-1,2-Dichloroethylene | 423692 | Returned to Compliance | 01-JAN-1991 | 31-JAN-1991 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2-Dichloropropane | 425392 | Returned to Compliance | 01-JAN-1991 | 31-JAN-1991 | No |