| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 15 | Returned to Compliance | 01-MAR-2022 | 31-MAR-2022 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 4 | Returned to Compliance | 01-JUL-2015 | 30-SEP-2015 | Yes |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 6 | Returned to Compliance | 01-APR-2013 | 30-JUN-2013 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 5 | Returned to Compliance | 01-APR-2013 | 30-JUN-2013 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 3 | Returned to Compliance | 01-APR-2009 | 30-APR-2009 | No |
| Other | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | Consumer Confidence Rule | 2 | Returned to Compliance | 01-JUL-2007 | - | No |
| MR | Monitoring, Routine (IDSE) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Stage 2 Disinfectants and Disinfection Byproducts Rule | #0799991 | Returned to Compliance | 01-APR-2007 | - | No |
| Other | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | Consumer Confidence Rule | 1 | Returned to Compliance | 01-JUL-2003 | - | No |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 9710011 | Returned to Compliance | 01-JUN-1997 | 30-JUN-1997 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 9710010 | Returned to Compliance | 01-MAY-1997 | 31-MAY-1997 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 9710009 | Returned to Compliance | 01-APR-1997 | 30-APR-1997 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 9710008 | Returned to Compliance | 01-MAR-1997 | 31-MAR-1997 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 9710007 | Returned to Compliance | 01-FEB-1997 | 28-FEB-1997 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 9710006 | Returned to Compliance | 01-JAN-1997 | 31-JAN-1997 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 9710003 | Returned to Compliance | 01-DEC-1996 | 31-DEC-1996 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 9710002 | Returned to Compliance | 01-NOV-1996 | 30-NOV-1996 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 9710001 | Returned to Compliance | 01-OCT-1996 | 31-OCT-1996 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 9610009 | Returned to Compliance | 01-SEP-1996 | 30-SEP-1996 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 9610008 | Returned to Compliance | 01-AUG-1996 | 31-AUG-1996 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 9610006 | Returned to Compliance | 01-JUN-1996 | 30-JUN-1996 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 9610005 | Returned to Compliance | 01-MAY-1996 | 31-MAY-1996 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 9610004 | Returned to Compliance | 01-APR-1996 | 30-APR-1996 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 9610003 | Returned to Compliance | 01-MAR-1996 | 31-MAR-1996 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 9610002 | Returned to Compliance | 01-FEB-1996 | 29-FEB-1996 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 9610001 | Returned to Compliance | 01-JAN-1996 | 31-JAN-1996 | Yes |
| TT | Failure to Filter (SWTR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 9810451 | Returned to Compliance | 01-SEP-1993 | 07-AUG-1998 | Yes |