| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 13 | Returned to Compliance | 01-FEB-2023 | 28-FEB-2023 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 14 | Returned to Compliance | 01-JAN-2023 | 31-MAR-2023 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Atrazine | 9 | Known | 01-APR-2022 | 30-JUN-2022 | No |
| MR | Monitoring, Regular | Nitrate Rule | Nitrate | 8 | Known | 01-APR-2022 | 30-JUN-2022 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | Simazine | 12 | Known | 01-APR-2022 | 30-JUN-2022 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | 2,4-D | 10 | Known | 01-APR-2022 | 30-JUN-2022 | No |
| MR | Monitoring, Regular | Synthetic Organic Chemicals | LASSO | 11 | Known | 01-APR-2022 | 30-JUN-2022 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 7 | Returned to Compliance | 01-JAN-2022 | 31-MAR-2022 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 6 | Returned to Compliance | 01-JAN-2022 | 31-MAR-2022 | No |
| Other | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | Consumer Confidence Rule | 5 | Returned to Compliance | 01-JUL-2021 | - | No |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 4 | Returned to Compliance | 01-SEP-2020 | 30-SEP-2020 | No |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 2 | Returned to Compliance | 01-AUG-2020 | 31-AUG-2020 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 3 | Returned to Compliance | 01-JUL-2020 | 30-SEP-2020 | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 820 | Known | 01-AUG-2000 | 31-AUG-2000 | No |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 153 | Known | 01-NOV-1999 | 30-NOV-1999 | Yes |
| Other | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | Consumer Confidence Rule | 62 | Returned to Compliance | 19-OCT-1999 | - | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 766 | Known | 01-SEP-1999 | 30-SEP-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Tetrachloroethylene | 99001078 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1,2-Trichloroethane | 99001077 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Trichloroethylene | 99001076 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | CHLOROBENZENE | 99001079 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Benzene | 99001080 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Toluene | 99001081 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Ethylbenzene | 99001082 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Styrene | 99001083 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2,4-Trichlorobenzene | 99001063 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2-Dichloropropane | 99001075 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | cis-1,2-Dichloroethylene | 99001064 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Xylenes, Total | 99001065 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | DICHLOROMETHANE | 99001066 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | o-Dichlorobenzene | 99001067 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Carbon tetrachloride | 99001074 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1,1-Trichloroethane | 99001073 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2-Dichloroethane | 99001072 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | trans-1,2-Dichloroethylene | 99001071 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1-Dichloroethylene | 99001070 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Vinyl chloride | 99001069 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | p-Dichlorobenzene | 99001068 | Known | 01-JAN-1999 | 31-DEC-1999 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 9701001 | Known | 01-JUL-1997 | 31-JUL-1997 | No |
| MCL | Maximum Contaminant Level Violation, Single Sample | Inorganic Chemicals | Fluoride | 8302220 | Known | 21-FEB-1983 | 20-MAY-1983 | Yes |
| MR | Monitoring, Check/Repeat/Confirmation | Inorganic Chemicals | Fluoride | 8302219 | Known | 25-JUN-1982 | 24-JUL-1982 | No |
| MCL | Maximum Contaminant Level Violation, Single Sample | Inorganic Chemicals | Mercury | 8114770 | Known | 23-MAR-1981 | 22-MAY-1981 | Yes |
| MR | Monitoring, Check/Repeat/Confirmation | Inorganic Chemicals | Mercury | 8114769 | Known | 24-JUN-1980 | 23-JUL-1980 | No |