| MR | Monitoring of Treatment (SWTR-Unfilt/GWR) | Ground Water Rule | Groundwater Rule | 2612597 | Known | 01-FEB-2026 | 28-FEB-2026 | No |
| MR | Monitoring of Treatment (SWTR-Unfilt/GWR) | Ground Water Rule | Groundwater Rule | 2608107 | Known | 01-DEC-2025 | 31-DEC-2025 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 2044159 | Returned to Compliance | 01-JUL-2020 | 30-SEP-2020 | No |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 1935187 | Returned to Compliance | 01-AUG-2019 | - | Yes |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 1832336 | Returned to Compliance | 01-JUL-2018 | 30-SEP-2018 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 1644457 | Returned to Compliance | 01-JUL-2016 | 30-SEP-2016 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 1644456 | Returned to Compliance | 01-JUL-2016 | 30-SEP-2016 | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 1526346 | Open | 11-AUG-2015 | - | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 1525369 | Returned to Compliance | 01-JUL-2015 | 30-SEP-2015 | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 1525368 | Returned to Compliance | 01-JUL-2015 | 31-JUL-2015 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 1525370 | Returned to Compliance | 01-JUL-2015 | 31-JUL-2015 | No |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 1433722 | Returned to Compliance | 01-AUG-2014 | 31-AUG-2014 | Yes |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 1432619 | Returned to Compliance | 01-JUL-2014 | 31-JUL-2014 | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 1415685 | Returned to Compliance | 01-JAN-2014 | 31-JAN-2014 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 1122819 | Returned to Compliance | 01-MAY-2011 | 31-MAY-2011 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Dinoseb | 1131403 | Returned to Compliance | 01-APR-2011 | 30-JUN-2011 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 1122818 | Returned to Compliance | 01-APR-2011 | 30-JUN-2011 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Picloram | 1131402 | Returned to Compliance | 01-APR-2011 | 30-JUN-2011 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | 2,4-D | 1131404 | Returned to Compliance | 01-APR-2011 | 30-JUN-2011 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | 2,4,5-TP | 1131405 | Returned to Compliance | 01-APR-2011 | 30-JUN-2011 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Pentachlorophenol | 1131406 | Returned to Compliance | 01-APR-2011 | 30-JUN-2011 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Dalapon | 1131401 | Returned to Compliance | 01-APR-2011 | 30-JUN-2011 | No |
| MR | Monitoring of Treatment (SWTR-Unfilt/GWR) | Ground Water Rule | Groundwater Rule | 1019594 | Returned to Compliance | 01-JUL-2010 | 31-JUL-2010 | No |
| MR | Monitoring, Check/Repeat/Confirmation | Volatile Organic Chemicals | Tetrachloroethylene | 0730573 | Returned to Compliance | 01-SEP-2007 | 30-SEP-2007 | No |
| MCL | Maximum Contaminant Level Violation, Single Sample | Volatile Organic Chemicals | Tetrachloroethylene | 0730572 | Returned to Compliance | 01-JUL-2007 | 30-SEP-2007 | Yes |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 0628419 | Returned to Compliance | 01-AUG-2006 | 31-AUG-2006 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 0628418 | Returned to Compliance | 01-JUL-2006 | 30-SEP-2006 | No |
| Other | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | Consumer Confidence Rule | 0536385 | Returned to Compliance | 01-JUL-2005 | - | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 0532353 | Returned to Compliance | 01-APR-2005 | 30-JUN-2005 | No |
| MR | Monitoring, Regular | Nitrate Rule | Nitrate | 0532355 | Returned to Compliance | 01-APR-2005 | 30-JUN-2005 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 0532354 | Returned to Compliance | 01-APR-2005 | 30-JUN-2005 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 0516643 | Returned to Compliance | 01-DEC-2004 | 31-DEC-2004 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 0505900 | Returned to Compliance | 01-NOV-2004 | 30-NOV-2004 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 0516642 | Returned to Compliance | 01-OCT-2004 | 31-DEC-2004 | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 0428318 | Returned to Compliance | 01-MAR-2004 | 31-MAR-2004 | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 0426044 | Returned to Compliance | 01-FEB-2004 | 29-FEB-2004 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 0431758 | Returned to Compliance | 01-JAN-2004 | 31-MAR-2004 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 0504209 | Returned to Compliance | 01-JAN-2004 | 31-MAR-2004 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | TTHM | 0504210 | Returned to Compliance | 01-JAN-2004 | 31-MAR-2004 | No |
| MR | Monitoring, Regular | Nitrate Rule | Nitrate | 0337002 | Returned to Compliance | 01-JUL-2003 | 30-SEP-2003 | No |
| MR | Monitoring, Regular | Nitrate Rule | Nitrate | 0223959 | Returned to Compliance | 01-JUL-2002 | 30-SEP-2002 | No |
| MR | Monitoring, Regular | Nitrate Rule | Nitrate | 0219491 | Returned to Compliance | 01-APR-2002 | 30-JUN-2002 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 0129593 | Returned to Compliance | 01-APR-2001 | 30-APR-2001 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 0128800 | Returned to Compliance | 01-MAR-2001 | 31-MAR-2001 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 0126449 | Returned to Compliance | 01-FEB-2001 | 28-FEB-2001 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 0125958 | Returned to Compliance | 01-JAN-2001 | 31-JAN-2001 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 0121477 | Returned to Compliance | 01-DEC-2000 | 31-DEC-2000 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 0101607 | Returned to Compliance | 01-NOV-2000 | 30-NOV-2000 | No |
| MR | Monitoring, Regular | Nitrate Rule | Nitrate | 0121478 | Returned to Compliance | 01-OCT-2000 | 31-DEC-2000 | No |
| Other | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | Consumer Confidence Rule | 00V0002 | Returned to Compliance | 01-JUL-2000 | 11-JUL-2000 | No |