| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 4621 | Returned to Compliance | 01-JUL-2021 | 31-JUL-2021 | No |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 4620 | Returned to Compliance | 01-JAN-2021 | 31-JAN-2021 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 4613 | Returned to Compliance | 01-AUG-2013 | 31-AUG-2013 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 4614 | Returned to Compliance | 01-JAN-2013 | 31-DEC-2013 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 4615 | Returned to Compliance | 01-JAN-2013 | 31-DEC-2013 | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 4610 | Returned to Compliance | 01-NOV-2010 | 30-NOV-2010 | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 3208 | Returned to Compliance | 01-MAR-2008 | 31-MAR-2008 | No |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 3106 | Returned to Compliance | 01-JUL-2006 | 31-JUL-2006 | Yes |
| Other | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | Consumer Confidence Rule | 2702 | Returned to Compliance | 01-JUL-2002 | - | No |
| Other | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | Consumer Confidence Rule | 2501 | Returned to Compliance | 01-OCT-2000 | - | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2,4-Trichlorobenzene | 198 | Known | 01-JAN-1997 | 31-DEC-1997 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | cis-1,2-Dichloroethylene | 298 | Known | 01-JAN-1997 | 31-DEC-1997 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Xylenes, Total | 398 | Known | 01-JAN-1997 | 31-DEC-1997 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Styrene | 2198 | Known | 01-JAN-1997 | 31-DEC-1997 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Ethylbenzene | 2098 | Known | 01-JAN-1997 | 31-DEC-1997 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Toluene | 1998 | Known | 01-JAN-1997 | 31-DEC-1997 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Benzene | 1898 | Known | 01-JAN-1997 | 31-DEC-1997 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | CHLOROBENZENE | 1798 | Known | 01-JAN-1997 | 31-DEC-1997 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Tetrachloroethylene | 1698 | Known | 01-JAN-1997 | 31-DEC-1997 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1,2-Trichloroethane | 1598 | Known | 01-JAN-1997 | 31-DEC-1997 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Trichloroethylene | 1498 | Known | 01-JAN-1997 | 31-DEC-1997 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2-Dichloropropane | 1398 | Known | 01-JAN-1997 | 31-DEC-1997 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Carbon tetrachloride | 1298 | Known | 01-JAN-1997 | 31-DEC-1997 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1,1-Trichloroethane | 1198 | Known | 01-JAN-1997 | 31-DEC-1997 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2-Dichloroethane | 1098 | Known | 01-JAN-1997 | 31-DEC-1997 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | trans-1,2-Dichloroethylene | 998 | Known | 01-JAN-1997 | 31-DEC-1997 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1-Dichloroethylene | 898 | Known | 01-JAN-1997 | 31-DEC-1997 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Vinyl chloride | 798 | Known | 01-JAN-1997 | 31-DEC-1997 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | p-Dichlorobenzene | 698 | Known | 01-JAN-1997 | 31-DEC-1997 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | o-Dichlorobenzene | 598 | Known | 01-JAN-1997 | 31-DEC-1997 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | DICHLOROMETHANE | 498 | Known | 01-JAN-1997 | 31-DEC-1997 | No |
| TT | Public Education | Lead and Copper Rule | Lead and Copper Rule | 194 | Returned to Compliance | 01-JAN-1993 | - | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 191 | Known | 01-JUL-1991 | 31-JUL-1991 | Yes |
| MR | Monitoring, Regular | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 7038480 | Known | 30-JUN-1980 | 29-SEP-1980 | No |