| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 456 | Returned to Compliance | 01-JUL-2022 | 30-SEP-2022 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 454 | Returned to Compliance | 01-JAN-2017 | 31-MAR-2017 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 453 | Returned to Compliance | 01-JAN-2017 | 31-MAR-2017 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 452 | Returned to Compliance | 01-OCT-2016 | 31-DEC-2016 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 451 | Returned to Compliance | 01-APR-2016 | 30-JUN-2016 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 450 | Returned to Compliance | 01-APR-2015 | 30-JUN-2015 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 449 | Returned to Compliance | 01-JAN-2015 | 31-MAR-2015 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 448 | Returned to Compliance | 01-OCT-2014 | 31-DEC-2014 | Yes |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 445 | Returned to Compliance | 01-AUG-2014 | 31-AUG-2014 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 447 | Returned to Compliance | 01-JUL-2014 | 30-SEP-2014 | Yes |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 446 | Returned to Compliance | 01-JUL-2014 | 30-SEP-2014 | No |
| TT | Monthly Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 444 | Returned to Compliance | 01-JUL-2014 | 31-JUL-2014 | Yes |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | CARBON, TOTAL | 443 | Returned to Compliance | 01-APR-2012 | 30-JUN-2012 | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 442 | Returned to Compliance | 01-AUG-2010 | 31-AUG-2010 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 441 | Returned to Compliance | 01-JUL-2010 | 30-SEP-2010 | No |
| MR | Monitoring, Repeat Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 4 | Returned to Compliance | 01-SEP-2007 | 30-SEP-2007 | No |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 2 | Returned to Compliance | 01-SEP-2007 | 30-SEP-2007 | Yes |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 1 | Returned to Compliance | 01-JUL-2007 | 30-SEP-2007 | No |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 821 | Known | 01-AUG-2001 | 31-AUG-2001 | Yes |
| MR | Monitoring, Regular | Nitrate Rule | Nitrate | 9403341 | Known | 01-JUL-1994 | 30-SEP-1994 | No |
| MR | Monitoring, Regular | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 8010954 | Known | 24-JUN-1980 | 23-JUN-1984 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Selenium | 8010218 | Known | 23-JUN-1980 | 22-JUN-1981 | No |
| MR | Monitoring, Regular | Nitrate Rule | Nitrate | 8010217 | Known | 23-JUN-1980 | 22-JUN-1981 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Mercury | 8010216 | Known | 23-JUN-1980 | 22-JUN-1981 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Fluoride | 8010214 | Known | 23-JUN-1980 | 22-JUN-1981 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Cadmium | 8010212 | Known | 23-JUN-1980 | 22-JUN-1981 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Barium | 8010211 | Known | 23-JUN-1980 | 22-JUN-1981 | No |
| MR | Monitoring, Regular | Arsenic Rule | Arsenic | 8010210 | Known | 23-JUN-1980 | 22-JUN-1981 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Chromium | 8010213 | Known | 23-JUN-1980 | 22-JUN-1981 | No |