| MR | Monitoring of Treatment (SWTR-Unfilt/GWR) | Ground Water Rule | Groundwater Rule | 2524365 | Returned to Compliance | 01-JUN-2025 | 30-JUN-2025 | No |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 2112972 | Returned to Compliance | 01-JAN-2021 | 31-JAN-2021 | No |
| MR | Monitoring of Treatment (SWTR-Unfilt/GWR) | Ground Water Rule | Groundwater Rule | 2026420 | Returned to Compliance | 01-APR-2020 | 30-APR-2020 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1,1-Trichloroethane | 2010475 | Returned to Compliance | 01-JAN-2019 | 31-DEC-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | cis-1,2-Dichloroethylene | 2010467 | Returned to Compliance | 01-JAN-2019 | 31-DEC-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Xylenes, Total | 2010468 | Returned to Compliance | 01-JAN-2019 | 31-DEC-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | DICHLOROMETHANE | 2010469 | Returned to Compliance | 01-JAN-2019 | 31-DEC-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | o-Dichlorobenzene | 2010470 | Returned to Compliance | 01-JAN-2019 | 31-DEC-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | p-Dichlorobenzene | 2010471 | Returned to Compliance | 01-JAN-2019 | 31-DEC-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1-Dichloroethylene | 2010472 | Returned to Compliance | 01-JAN-2019 | 31-DEC-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | trans-1,2-Dichloroethylene | 2010473 | Returned to Compliance | 01-JAN-2019 | 31-DEC-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2,4-Trichlorobenzene | 2010466 | Returned to Compliance | 01-JAN-2019 | 31-DEC-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Styrene | 2010485 | Returned to Compliance | 01-JAN-2019 | 31-DEC-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Ethylbenzene | 2010484 | Returned to Compliance | 01-JAN-2019 | 31-DEC-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Toluene | 2010483 | Returned to Compliance | 01-JAN-2019 | 31-DEC-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Benzene | 2010482 | Returned to Compliance | 01-JAN-2019 | 31-DEC-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | CHLOROBENZENE | 2010481 | Returned to Compliance | 01-JAN-2019 | 31-DEC-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Tetrachloroethylene | 2010480 | Returned to Compliance | 01-JAN-2019 | 31-DEC-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1,2-Trichloroethane | 2010479 | Returned to Compliance | 01-JAN-2019 | 31-DEC-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Trichloroethylene | 2010478 | Returned to Compliance | 01-JAN-2019 | 31-DEC-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2-Dichloropropane | 2010477 | Returned to Compliance | 01-JAN-2019 | 31-DEC-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Carbon tetrachloride | 2010476 | Returned to Compliance | 01-JAN-2019 | 31-DEC-2019 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2-Dichloroethane | 2010474 | Returned to Compliance | 01-JAN-2019 | 31-DEC-2019 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Total Polychlorinated Biphenyls (PCB) | 1710053 | Returned to Compliance | 01-OCT-2016 | 31-DEC-2016 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | 2,3,7,8-TCDD | 1643695 | Returned to Compliance | 01-JUL-2016 | 30-SEP-2016 | No |
| Other | Sample Siting Plan Errors (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 1616007 | Returned to Compliance | 01-APR-2016 | - | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Total Polychlorinated Biphenyls (PCB) | 1619580 | Returned to Compliance | 01-JAN-2016 | 31-MAR-2016 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | 2,3,7,8-TCDD | 1619579 | Returned to Compliance | 01-JAN-2016 | 31-MAR-2016 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Total Polychlorinated Biphenyls (PCB) | 1530243 | Returned to Compliance | 01-JUL-2015 | 30-SEP-2015 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | 2,3,7,8-TCDD | 1530242 | Returned to Compliance | 01-JUL-2015 | 30-SEP-2015 | No |
| MR | Monitoring of Treatment (SWTR-Unfilt/GWR) | Ground Water Rule | Groundwater Rule | 1525246 | Returned to Compliance | 01-JUL-2015 | 31-JUL-2015 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | 2,3,7,8-TCDD | 1515239 | Returned to Compliance | 01-JAN-2015 | 31-MAR-2015 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Total Polychlorinated Biphenyls (PCB) | 1515240 | Returned to Compliance | 01-JAN-2015 | 31-MAR-2015 | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 1201232 | Returned to Compliance | 11-OCT-2011 | - | No |
| MR | Monitoring, Source Water (GWR) | Ground Water Rule | E. COLI | 1023751 | Returned to Compliance | 01-SEP-2010 | - | No |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 1023750 | Returned to Compliance | 01-SEP-2010 | 30-SEP-2010 | Yes |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 0523675 | Returned to Compliance | 01-JAN-2005 | 31-MAR-2005 | No |
| Other | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | Consumer Confidence Rule | 0505688 | Returned to Compliance | 01-OCT-2004 | - | No |
| Other | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | Consumer Confidence Rule | 0441269 | Returned to Compliance | 01-JUL-2004 | - | No |
| Other | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | Consumer Confidence Rule | 0400827 | Returned to Compliance | 01-OCT-2003 | - | No |
| Other | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | Consumer Confidence Rule | 0332785 | Returned to Compliance | 01-JUL-2003 | - | No |
| Other | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | Consumer Confidence Rule | 02V0001 | Returned to Compliance | 01-JUL-2002 | 02-JAN-2003 | No |
| Other | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | Consumer Confidence Rule | 01V0001 | Returned to Compliance | 01-JUL-2001 | 17-AUG-2001 | No |
| Other | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | Consumer Confidence Rule | 00V0001 | Returned to Compliance | 01-JUL-2000 | 02-AUG-2000 | No |
| MR | Monitoring, Regular | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 9229342 | Known | 01-JUL-1988 | 30-JUN-1992 | No |