| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20250020048 | Known | 01-JAN-2025 | 31-MAR-2025 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 20250020049 | Known | 01-JAN-2025 | 31-MAR-2025 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20250016695 | Returned to Compliance | 01-OCT-2024 | 31-DEC-2024 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 20250016696 | Returned to Compliance | 01-OCT-2024 | 31-DEC-2024 | Yes |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 20240012710 | Returned to Compliance | 01-JAN-2024 | 31-JAN-2024 | No |
| MR | Failure to Conduct Assessment Monitoring | Ground Water Rule | E. COLI | 20240012699 | Returned to Compliance | 01-JAN-2024 | 31-JAN-2024 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 20240014371 | Known | 01-JAN-2024 | 31-MAR-2024 | Yes |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 20240000149 | Returned to Compliance | 01-OCT-2023 | 31-OCT-2023 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 20240004102 | Known | 01-OCT-2023 | 31-DEC-2023 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20240003779 | Returned to Compliance | 01-OCT-2023 | 31-DEC-2023 | No |
| MR | Failure to Conduct Assessment Monitoring | Ground Water Rule | E. COLI | 20240000151 | Returned to Compliance | 01-OCT-2023 | 31-OCT-2023 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 20240003668 | Returned to Compliance | 01-OCT-2023 | 31-DEC-2023 | Yes |
| MR | Failure to Conduct Assessment Monitoring | Ground Water Rule | E. COLI | 20230013976 | Returned to Compliance | 01-AUG-2023 | 31-AUG-2023 | No |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 20230013952 | Returned to Compliance | 01-AUG-2023 | 31-AUG-2023 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 20240000014 | Returned to Compliance | 01-JUL-2023 | 30-SEP-2023 | Yes |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 20230014406 | Known | 01-JUL-2023 | 30-SEP-2023 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20230014408 | Known | 01-JUL-2023 | 30-SEP-2023 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 20230012161 | Known | 01-APR-2023 | 30-JUN-2023 | Yes |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 20220015982 | Returned to Compliance | 01-SEP-2022 | 30-SEP-2022 | No |
| MR | Failure to Conduct Assessment Monitoring | Ground Water Rule | E. COLI | 20220015793 | Returned to Compliance | 01-SEP-2022 | 30-SEP-2022 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20220015464 | Returned to Compliance | 01-JUL-2022 | 30-SEP-2022 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 20220015465 | Returned to Compliance | 01-JUL-2022 | 30-SEP-2022 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20220006583 | Known | 01-OCT-2021 | 31-DEC-2021 | Yes |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 20210010925 | Returned to Compliance | 01-JUL-2021 | 30-SEP-2021 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20210010924 | Returned to Compliance | 01-JUL-2021 | 30-SEP-2021 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20210011469 | Known | 01-JUL-2021 | 30-SEP-2021 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20210009428 | Known | 01-APR-2021 | 30-JUN-2021 | Yes |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 20210007522 | Returned to Compliance | 01-JAN-2021 | 31-JAN-2021 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20210008135 | Known | 01-JAN-2021 | 31-MAR-2021 | Yes |
| MR | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | Lead and Copper Rule | 20230014932 | Returned to Compliance | 01-JAN-2021 | - | No |
| MR | Failure to Conduct Assessment Monitoring | Ground Water Rule | E. COLI | 20210007542 | Returned to Compliance | 01-JAN-2021 | 31-JAN-2021 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 20210000082 | Returned to Compliance | 01-JUL-2020 | 30-SEP-2020 | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20210000084 | Returned to Compliance | 01-JUL-2020 | 30-SEP-2020 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20200010060 | Known | 01-JUL-2020 | 30-SEP-2020 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20200007626 | Known | 01-APR-2020 | 30-JUN-2020 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20200006255 | Known | 01-JAN-2020 | 31-MAR-2020 | Yes |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 20200002547 | Returned to Compliance | 01-DEC-2019 | 31-DEC-2019 | No |
| MR | Failure to Conduct Assessment Monitoring | Ground Water Rule | E. COLI | 20200002451 | Returned to Compliance | 01-DEC-2019 | 31-DEC-2019 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20190005715 | Known | 01-OCT-2018 | 31-DEC-2018 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20180012590 | Known | 01-JUL-2018 | 30-SEP-2018 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 20180012628 | Known | 01-JUL-2018 | 30-SEP-2018 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20180010900 | Known | 01-APR-2018 | 30-JUN-2018 | Yes |
| MR | Monitoring, Source Water (GWR) | Ground Water Rule | E. COLI | 20160003274 | Returned to Compliance | 01-JAN-2016 | - | No |
| Other | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | Consumer Confidence Rule | 20120003711 | Returned to Compliance | 01-JAN-2012 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20120001042 | Known | 01-OCT-2011 | 31-DEC-2011 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20110005664 | Known | 01-JUL-2011 | 30-SEP-2011 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20110004188 | Known | 01-APR-2011 | 30-JUN-2011 | Yes |
| MR | Failure Submit IDSE/Subpart V Plan Rpt | Stage 2 Disinfectants and Disinfection Byproducts Rule | Stage 2 Disinfectants and Disinfection Byproducts Rule | 20120001971 | Returned to Compliance | 02-JUL-2010 | - | No |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 98V0001 | Returned to Compliance | 01-JUL-1998 | 31-JUL-1998 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 93V0002 | Known | 01-FEB-1993 | 28-FEB-1993 | Yes |