| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 4006240 | Known | 01-JUL-2023 | 30-SEP-2023 | Yes |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 4006236 | Returned to Compliance | 01-FEB-2019 | 28-FEB-2019 | No |
| TT | Failure To Address Deficiency | Ground Water Rule | Groundwater Rule | 4006235 | Returned to Compliance | 04-APR-2018 | - | Yes |
| Other | Sample Siting Plan Errors (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 4006231 | Returned to Compliance | 01-OCT-2017 | - | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 4006227 | Returned to Compliance | 01-APR-2017 | 30-JUN-2017 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 4006226 | Returned to Compliance | 01-APR-2017 | 30-JUN-2017 | No |
| MR | Monitoring, Regular | Radionuclides and Revised Rad Rule | Radium-228 | 4006225 | Returned to Compliance | 01-JAN-2017 | 31-MAR-2017 | No |
| MR | Monitoring, Regular | Radionuclides and Revised Rad Rule | Radium-226 | 4006224 | Returned to Compliance | 01-JAN-2017 | 31-MAR-2017 | No |
| MR | Monitoring, Regular | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 4006223 | Returned to Compliance | 01-JAN-2017 | 31-MAR-2017 | No |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 4006218 | Returned to Compliance | 01-JUL-2016 | 31-JUL-2016 | No |
| MR | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | Lead and Copper Rule | 4006209 | Returned to Compliance | 01-JAN-2011 | - | No |
| MR | Monitoring, Regular | Nitrate Rule | Nitrate | 4005908 | Returned to Compliance | 01-JAN-2007 | 31-DEC-2007 | No |
| MR | Monitoring, Regular | Nitrate Rule | Nitrate | 4006008 | Returned to Compliance | 01-JAN-2007 | 31-DEC-2007 | No |
| MR | Monitoring, Regular | Nitrate Rule | Nitrate | 4005808 | Returned to Compliance | 01-JAN-2007 | 31-DEC-2007 | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 771003 | Returned to Compliance | 01-JUL-2003 | 31-JUL-2003 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Antimony, Total | 4003001 | Known | 01-JAN-1998 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Chromium | 4002601 | Known | 01-JAN-1998 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Selenium | 4002801 | Known | 01-JAN-1998 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Mercury | 4002701 | Known | 01-JAN-1998 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Fluoride | 4002901 | Known | 01-JAN-1998 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Beryllium, Total | 4003101 | Known | 01-JAN-1998 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Cadmium | 4002501 | Known | 01-JAN-1998 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Barium | 4002401 | Known | 01-JAN-1998 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Arsenic Rule | Arsenic | 4002301 | Known | 01-JAN-1998 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Thallium, Total | 4003301 | Known | 01-JAN-1998 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | CYANIDE | 4003201 | Known | 01-JAN-1998 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1,2-Trichloroethane | 4002101 | Known | 01-JAN-1997 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Tetrachloroethylene | 4001501 | Known | 01-JAN-1997 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | CHLOROBENZENE | 4001201 | Known | 01-JAN-1997 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Benzene | 4000201 | Known | 01-JAN-1997 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Toluene | 4001601 | Known | 01-JAN-1997 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Ethylbenzene | 4001101 | Known | 01-JAN-1997 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Styrene | 4001401 | Known | 01-JAN-1997 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 4003401 | Known | 01-JAN-1997 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Trichloroethylene | 4000501 | Known | 01-JAN-1997 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Radionuclides and Revised Rad Rule | Gross Beta Particle Activity | 4003501 | Known | 01-JAN-1997 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Nitrate Rule | Nitrate | 4002201 | Known | 01-JAN-1997 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2,4-Trichlorobenzene | 4002001 | Known | 01-JAN-1997 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | cis-1,2-Dichloroethylene | 4000901 | Known | 01-JAN-1997 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Xylenes, Total | 4001801 | Known | 01-JAN-1997 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | DICHLOROMETHANE | 4001901 | Known | 01-JAN-1997 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | o-Dichlorobenzene | 4001301 | Known | 01-JAN-1997 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | p-Dichlorobenzene | 4000701 | Known | 01-JAN-1997 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Vinyl chloride | 4000101 | Known | 01-JAN-1997 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1-Dichloroethylene | 4000601 | Known | 01-JAN-1997 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | trans-1,2-Dichloroethylene | 4001701 | Known | 01-JAN-1997 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2-Dichloroethane | 4000401 | Known | 01-JAN-1997 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1,1-Trichloroethane | 4000801 | Known | 01-JAN-1997 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Carbon tetrachloride | 4000301 | Known | 01-JAN-1997 | 31-DEC-2000 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2-Dichloropropane | 4001001 | Known | 01-JAN-1997 | 31-DEC-2000 | No |