| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 7111812 | Returned to Compliance | 01-APR-2010 | 30-JUN-2010 | Yes |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 7111810 | Returned to Compliance | 01-OCT-2008 | 31-DEC-2008 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Chlordane | 7111706 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Pentachlorophenol | 7111206 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Benzo(a)pyrene | 7111106 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | HEXACHLOROBENZENE | 7111006 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | 2,4,5-TP | 7110906 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | 2,4-D | 7110806 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Total Polychlorinated Biphenyls (PCB) | 7111406 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Heptachlor epoxide | 7110606 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Heptachlor | 7110506 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | LASSO | 7110406 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Atrazine | 7110306 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Aldicarb | 7110206 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Carbofuran | 7110106 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Aldicarb sulfone | 7110006 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Aldicarb sulfoxide | 7109906 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Hexachlorocyclopentadiene | 7109806 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | 1,2-DIBROMO-3-CHLOROPROPANE | 7111506 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | ETHYLENE DIBROMIDE | 7111606 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Dinoseb | 7109706 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Endrin | 7108506 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | BHC-GAMMA | 7108606 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Methoxychlor | 7108706 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Toxaphene | 7108806 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Dalapon | 7108906 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Diquat | 7109006 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Endothall | 7109106 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Di(2-ethylhexyl) adipate | 7109206 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Picloram | 7109606 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Di(2-ethylhexyl) phthalate | 7109506 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Simazine | 7109406 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | OXAMYL | 7109306 | Returned to Compliance | 01-OCT-2005 | 31-DEC-2005 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 7101605 | Returned to Compliance | 01-OCT-2004 | 31-DEC-2004 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 7101505 | Returned to Compliance | 01-OCT-2004 | 31-OCT-2004 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 7101305 | Returned to Compliance | 01-SEP-2004 | 30-SEP-2004 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 7101105 | Returned to Compliance | 01-AUG-2004 | 31-AUG-2004 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 7100905 | Returned to Compliance | 01-JUL-2004 | 31-JUL-2004 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 7101405 | Returned to Compliance | 01-JUL-2004 | 30-SEP-2004 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 2405994 | Known | 01-APR-1994 | 30-APR-1994 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 1504892 | Known | 01-MAY-1992 | 31-MAY-1992 | No |
| MR | Monitoring, Regular | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 7100780 | Known | 30-JUN-1977 | 29-JUN-1981 | No |