| MR | Monitoring, Regular | Nitrate Rule | Nitrate | 98022 | Returned to Compliance | 01-MAR-2022 | 31-MAR-2022 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 10913 | Returned to Compliance | 01-JUL-2012 | 31-AUG-2012 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 10813 | Returned to Compliance | 01-JUL-2012 | 31-AUG-2012 | No |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 487100 | Returned to Compliance | 01-SEP-2000 | 30-SEP-2000 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 399800 | Returned to Compliance | 01-AUG-2000 | 31-AUG-2000 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 290700 | Returned to Compliance | 01-JUN-2000 | 30-JUN-2000 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 213300 | Returned to Compliance | 01-MAY-2000 | 31-MAY-2000 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 191000 | Returned to Compliance | 01-APR-2000 | 30-APR-2000 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 191200 | Returned to Compliance | 01-MAR-2000 | 31-MAR-2000 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 147900 | Returned to Compliance | 01-FEB-2000 | 29-FEB-2000 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 145600 | Returned to Compliance | 01-JAN-2000 | 31-JAN-2000 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 4700 | Returned to Compliance | 01-APR-1999 | 30-APR-1999 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 73399 | Returned to Compliance | 01-FEB-1999 | 28-FEB-1999 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 27599 | Returned to Compliance | 01-DEC-1998 | 31-DEC-1998 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 150698 | Returned to Compliance | 01-AUG-1998 | 31-AUG-1998 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 74398 | Returned to Compliance | 01-APR-1998 | 30-APR-1998 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 65098 | Returned to Compliance | 01-MAR-1998 | 31-MAR-1998 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 51698 | Returned to Compliance | 01-FEB-1998 | 02-MAR-1998 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 30898 | Returned to Compliance | 01-JAN-1998 | 31-JAN-1998 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate | 22998 | Returned to Compliance | 01-DEC-1997 | 31-DEC-1997 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Nitrate Rule | Nitrate | 17598 | Returned to Compliance | 01-NOV-1997 | 30-NOV-1997 | Yes |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Dalapon | 171701 | Returned to Compliance | 01-JAN-1996 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Styrene | 170401 | Returned to Compliance | 01-JAN-1996 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Ethylbenzene | 170201 | Returned to Compliance | 01-JAN-1996 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Toluene | 170601 | Returned to Compliance | 01-JAN-1996 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Benzene | 169201 | Returned to Compliance | 01-JAN-1996 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | CHLOROBENZENE | 170301 | Returned to Compliance | 01-JAN-1996 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Tetrachloroethylene | 170501 | Returned to Compliance | 01-JAN-1996 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1,2-Trichloroethane | 170901 | Returned to Compliance | 01-JAN-1996 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Trichloroethylene | 171001 | Returned to Compliance | 01-JAN-1996 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2-Dichloropropane | 170101 | Returned to Compliance | 01-JAN-1996 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Carbon tetrachloride | 169301 | Returned to Compliance | 01-JAN-1996 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1,1-Trichloroethane | 170801 | Returned to Compliance | 01-JAN-1996 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2-Dichloroethane | 169601 | Returned to Compliance | 01-JAN-1996 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | trans-1,2-Dichloroethylene | 169901 | Returned to Compliance | 01-JAN-1996 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1-Dichloroethylene | 169801 | Returned to Compliance | 01-JAN-1996 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Vinyl chloride | 171101 | Returned to Compliance | 01-JAN-1996 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | p-Dichlorobenzene | 169501 | Returned to Compliance | 01-JAN-1996 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | o-Dichlorobenzene | 169401 | Returned to Compliance | 01-JAN-1996 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | DICHLOROMETHANE | 170001 | Returned to Compliance | 01-JAN-1996 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Xylenes, Total | 171201 | Returned to Compliance | 01-JAN-1996 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | cis-1,2-Dichloroethylene | 169701 | Returned to Compliance | 01-JAN-1996 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2,4-Trichlorobenzene | 170701 | Returned to Compliance | 01-JAN-1996 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Pentachlorophenol | 172101 | Returned to Compliance | 01-JAN-1996 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Benzo(a)pyrene | 171501 | Returned to Compliance | 01-JAN-1996 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Di(2-ethylhexyl) adipate | 171801 | Returned to Compliance | 01-JAN-1996 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Simazine | 172301 | Returned to Compliance | 01-JAN-1996 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Di(2-ethylhexyl) phthalate | 171901 | Returned to Compliance | 01-JAN-1996 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Picloram | 172201 | Returned to Compliance | 01-JAN-1996 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Dinoseb | 172001 | Returned to Compliance | 01-JAN-1996 | 31-DEC-2000 | No |