| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195337 | Known | 01-OCT-2025 | 31-DEC-2025 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195336 | Known | 01-JUL-2025 | 30-SEP-2025 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195333 | Known | 01-APR-2025 | 30-JUN-2025 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195332 | Known | 01-JAN-2025 | 31-MAR-2025 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195331 | Known | 01-OCT-2024 | 31-DEC-2024 | Yes |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 195327 | Returned to Compliance | 01-AUG-2024 | 31-AUG-2024 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 195326 | Returned to Compliance | 01-JUL-2024 | 31-JUL-2024 | No |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195325 | Known | 01-JUL-2024 | 30-SEP-2024 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195324 | Known | 01-APR-2024 | 30-JUN-2024 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195323 | Known | 01-JAN-2024 | 31-MAR-2024 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195321 | Known | 01-OCT-2023 | 31-DEC-2023 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195320 | Known | 01-JUL-2023 | 30-SEP-2023 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195319 | Known | 01-APR-2023 | 30-JUN-2023 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195318 | Known | 01-JAN-2023 | 31-MAR-2023 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195317 | Known | 01-OCT-2022 | 31-DEC-2022 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195316 | Known | 01-JUL-2022 | 30-SEP-2022 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195315 | Known | 01-APR-2022 | 30-JUN-2022 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195314 | Known | 01-JAN-2022 | 31-MAR-2022 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195308 | Known | 01-OCT-2021 | 31-DEC-2021 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195312 | Known | 01-JUL-2021 | 30-SEP-2021 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195307 | Known | 01-APR-2021 | 30-JUN-2021 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195306 | Known | 01-JAN-2021 | 31-MAR-2021 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195305 | Known | 01-OCT-2020 | 31-DEC-2020 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195302 | Known | 01-JUL-2020 | 30-SEP-2020 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195301 | Known | 01-JAN-2020 | 31-MAR-2020 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195300 | Known | 01-OCT-2019 | 31-DEC-2019 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195299 | Known | 01-JUL-2019 | 30-SEP-2019 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195298 | Known | 01-APR-2019 | 30-JUN-2019 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195297 | Known | 01-JAN-2019 | 31-MAR-2019 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195296 | Known | 01-OCT-2018 | 31-DEC-2018 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195295 | Known | 01-JUL-2018 | 30-SEP-2018 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195293 | Known | 01-APR-2018 | 30-JUN-2018 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195292 | Known | 01-JAN-2018 | 31-MAR-2018 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195290 | Known | 01-OCT-2017 | 31-DEC-2017 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195289 | Known | 01-JUL-2017 | 30-SEP-2017 | Yes |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 195288 | Returned to Compliance | 01-MAY-2017 | 31-MAY-2017 | No |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 195287 | Returned to Compliance | 01-APR-2017 | 30-JUN-2017 | No |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195286 | Known | 01-APR-2017 | 30-JUN-2017 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195282 | Known | 01-JAN-2017 | 31-MAR-2017 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195281 | Known | 01-OCT-2016 | 31-DEC-2016 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195280 | Known | 01-JUL-2016 | 30-SEP-2016 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195279 | Known | 01-APR-2016 | 30-JUN-2016 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195283 | Known | 01-JAN-2016 | 31-MAR-2016 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195277 | Known | 01-OCT-2015 | 31-DEC-2015 | Yes |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 195285 | Returned to Compliance | 01-OCT-2015 | 30-SEP-2016 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 195284 | Returned to Compliance | 01-OCT-2015 | 30-SEP-2016 | No |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195276 | Known | 01-JUL-2015 | 30-SEP-2015 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195275 | Known | 01-APR-2015 | 30-JUN-2015 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195274 | Known | 01-JAN-2015 | 31-MAR-2015 | Yes |
| MCL | Maximum Contaminant Level Violation, Single Sample | Nitrate Rule | Nitrate-Nitrite | 195272 | Known | 01-OCT-2014 | 31-DEC-2014 | Yes |