| MR | Monitoring, Regular | Inorganic Chemicals | Fluoride | 7064012 | Returned to Compliance | 01-JAN-2005 | 31-DEC-2007 | No |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 5272001 | Returned to Compliance | 01-OCT-2000 | 30-APR-2001 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Combined Radium (-226 and -228) | 5068500 | Returned to Compliance | 01-JAN-2000 | 30-APR-2001 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 3909797 | Returned to Compliance | 01-OCT-1996 | 30-SEP-2000 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Combined Radium (-226 and -228) | 3399196 | Returned to Compliance | 01-JAN-1996 | 31-DEC-1999 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 1689593 | Returned to Compliance | 01-OCT-1992 | 30-SEP-1996 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Combined Radium (-226 and -228) | 1486592 | Returned to Compliance | 01-JAN-1992 | 31-DEC-1995 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 1037989 | Returned to Compliance | 01-OCT-1988 | 30-SEP-1992 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Combined Radium (-226 and -228) | 5404688 | Returned to Compliance | 01-FEB-1988 | 31-DEC-1991 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Combined Radium (-226 and -228) | 496188 | Returned to Compliance | 01-JAN-1988 | 31-DEC-1991 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 5404585 | Returned to Compliance | 01-NOV-1984 | 30-SEP-1988 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 272885 | Returned to Compliance | 01-OCT-1984 | 30-SEP-1988 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Combined Radium (-226 and -228) | 272984 | Returned to Compliance | 25-JAN-1984 | 24-JAN-1988 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 272781 | Returned to Compliance | 17-OCT-1980 | 16-OCT-1984 | Yes |
| MR | Monitoring, Regular | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 7063680 | Returned to Compliance | 30-JUN-1977 | 29-JUN-1981 | No |