| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 7142903 | Known | 01-MAY-2003 | 31-MAY-2003 | No |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Combined Radium (-226 and -228) | 5140100 | Returned to Compliance | 01-APR-2000 | 26-SEP-2000 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 4334699 | Returned to Compliance | 01-OCT-1998 | 13-JAN-2000 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 3903897 | Returned to Compliance | 02-SEP-1997 | 30-JUN-1998 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 3903796 | Returned to Compliance | 01-AUG-1996 | 30-JUN-1997 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 3453196 | Known | 01-MAY-1996 | 31-MAY-1996 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Combined Radium (-226 and -228) | 3904296 | Returned to Compliance | 01-APR-1996 | 31-MAR-2000 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 2483294 | Returned to Compliance | 16-MAY-1994 | 10-OCT-1995 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 1748293 | Known | 01-MAR-1993 | 31-MAR-1993 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Combined Radium (-226 and -228) | 1520892 | Returned to Compliance | 01-APR-1992 | 31-MAR-1996 | Yes |
| MR | Monitoring, Regular | Radionuclides and Revised Rad Rule | Combined Radium (-226 and -228) | 1666192 | Known | 01-JAN-1992 | 31-MAR-1992 | No |
| MR | Monitoring, Regular | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 1666092 | Returned to Compliance | 01-JAN-1992 | 31-MAR-1992 | No |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 1030489 | 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) | 536188 | Returned to Compliance | 01-APR-1988 | 31-MAR-1992 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 260285 | 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) | 260384 | Returned to Compliance | 16-APR-1984 | 15-APR-1988 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 260181 | Returned to Compliance | 17-OCT-1980 | 16-OCT-1984 | Yes |
| MR | Monitoring, Regular | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 7142780 | Known | 30-JUN-1977 | 29-JUN-1981 | No |