| MR | Monitoring, Regular | Nitrate Rule | Nitrate-Nitrite | 48438 | Returned to Compliance | 01-JUL-2025 | 30-SEP-2025 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Glyphosate | 48432 | Returned to Compliance | 01-APR-2024 | 30-JUN-2024 | No |
| MR | Monitoring, Regular | Nitrate Rule | Nitrate-Nitrite | 48431 | Returned to Compliance | 01-APR-2024 | 30-JUN-2024 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | 2,4-D | 48430 | Returned to Compliance | 01-JAN-2024 | 31-MAR-2024 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 48426 | Returned to Compliance | 01-JAN-2024 | 31-MAR-2024 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Glyphosate | 48428 | Returned to Compliance | 01-JAN-2024 | 31-MAR-2024 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Picloram | 48429 | Returned to Compliance | 01-JAN-2024 | 31-MAR-2024 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 48427 | Returned to Compliance | 01-JAN-2024 | 31-MAR-2024 | No |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 48422 | Returned to Compliance | 01-OCT-2023 | 31-OCT-2023 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | 2,4-D | 48425 | Returned to Compliance | 01-OCT-2023 | 31-DEC-2023 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Glyphosate | 48423 | Returned to Compliance | 01-OCT-2023 | 31-DEC-2023 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 48421 | Returned to Compliance | 01-OCT-2023 | 31-DEC-2023 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Picloram | 48424 | Returned to Compliance | 01-OCT-2023 | 31-DEC-2023 | No |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 48418 | Returned to Compliance | 01-JUN-2022 | 30-JUN-2022 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 48417 | Returned to Compliance | 01-APR-2022 | 30-JUN-2022 | No |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 48415 | Returned to Compliance | 01-AUG-2021 | 31-AUG-2021 | No |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 48411 | Returned to Compliance | 01-JUL-2021 | 30-SEP-2021 | Yes |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 48412 | Returned to Compliance | 01-JUL-2021 | 30-SEP-2021 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 48414 | Returned to Compliance | 01-SEP-2020 | 31-AUG-2021 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 48413 | Returned to Compliance | 01-SEP-2020 | 31-AUG-2021 | No |
| MR | Monitoring, Regular | Radionuclides and Revised Rad Rule | Combined Uranium | 48440 | Known | 01-JAN-2020 | 31-DEC-2025 | No |
| MR | Monitoring, Regular | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 48439 | Known | 01-JAN-2020 | 31-DEC-2025 | No |
| MR | Monitoring, Regular | Radionuclides and Revised Rad Rule | Gross Beta Particle Activity | 48442 | Known | 01-JAN-2020 | 31-DEC-2025 | No |
| MR | Monitoring, Regular | Radionuclides and Revised Rad Rule | Combined Radium (-226 and -228) | 48441 | Known | 01-JAN-2020 | 31-DEC-2025 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 48395 | Returned to Compliance | 01-NOV-2015 | 30-NOV-2015 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 48394 | Returned to Compliance | 01-OCT-2015 | 31-DEC-2015 | No |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 48308 | Returned to Compliance | 01-JAN-2009 | 31-MAR-2009 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 48307 | Returned to Compliance | 01-OCT-2008 | 31-DEC-2008 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 48306 | Returned to Compliance | 01-APR-2008 | 30-JUN-2008 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Nitrate Rule | Nitrate | 47594 | Returned to Compliance | 23-NOV-1993 | 22-FEB-1994 | Yes |