| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 631 | Known | 01-JUL-2025 | 30-SEP-2025 | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 622 | Returned to Compliance | 02-JAN-2025 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 620 | Returned to Compliance | 01-OCT-2024 | 31-DEC-2024 | Yes |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 616 | Returned to Compliance | 26-JUL-2024 | - | No |
| MR | Water Quality Parameter M/R | Lead and Copper Rule | Lead and Copper Rule | 610 | Returned to Compliance | 01-JUL-2023 | 31-DEC-2023 | No |
| MR | Water Quality Parameter M/R | Lead and Copper Rule | Lead and Copper Rule | 603 | Returned to Compliance | 01-JAN-2023 | 30-JUN-2023 | No |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 599 | Returned to Compliance | 01-FEB-2021 | 28-FEB-2021 | No |
| MR | Monitoring, Source Water (GWR) | Ground Water Rule | E. COLI | 598 | Returned to Compliance | 09-OCT-2020 | - | No |
| MR | Monitoring, Source Water (GWR) | Ground Water Rule | E. COLI | 597 | Returned to Compliance | 08-MAY-2020 | - | No |
| MR | Failure Submit IDSE/Subpart V Plan Rpt | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 582 | Returned to Compliance | 06-FEB-2018 | - | No |
| MR | Water Quality Parameter M/R | Lead and Copper Rule | Lead and Copper Rule | 596 | Returned to Compliance | 01-JAN-2018 | 30-JUN-2018 | No |
| MR | Water Quality Parameter M/R | Lead and Copper Rule | Lead and Copper Rule | 577 | Returned to Compliance | 01-JUL-2017 | 31-DEC-2017 | No |
| MR | Water Quality Parameter M/R | Lead and Copper Rule | Lead and Copper Rule | 578 | Returned to Compliance | 01-JUL-2017 | 31-DEC-2017 | No |
| MR | Water Quality Parameter M/R | Lead and Copper Rule | Lead and Copper Rule | 579 | Returned to Compliance | 01-JUL-2017 | 31-DEC-2017 | No |
| MR | Water Quality Parameter M/R | Lead and Copper Rule | Lead and Copper Rule | 575 | Returned to Compliance | 01-JUL-2017 | 31-DEC-2017 | No |
| MR | Water Quality Parameter M/R | Lead and Copper Rule | Lead and Copper Rule | 576 | Returned to Compliance | 01-JUL-2017 | 31-DEC-2017 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 572 | Returned to Compliance | 01-APR-2017 | 30-JUN-2017 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 567 | Returned to Compliance | 01-JAN-2017 | 31-MAR-2017 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 561 | Returned to Compliance | 01-OCT-2016 | 31-DEC-2016 | Yes |
| MR | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | Lead and Copper Rule | 556 | Returned to Compliance | 01-OCT-2016 | - | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 564 | Returned to Compliance | 01-JUL-2016 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 557 | Returned to Compliance | 01-JUL-2016 | 30-SEP-2016 | Yes |
| MR | Monitoring, Source Water (GWR) | Ground Water Rule | E. COLI | 554 | Returned to Compliance | 01-MAR-2016 | - | No |
| MR | Monitoring, Repeat Major (TCR) | Total Coliform Rule | Coliform (TCR) | 553 | Returned to Compliance | 01-MAR-2016 | 31-MAR-2016 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 548 | Returned to Compliance | 01-APR-2015 | 30-JUN-2015 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 547 | Returned to Compliance | 01-JAN-2015 | 31-MAR-2015 | Yes |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 545 | Returned to Compliance | 27-DEC-2014 | - | No |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 543 | Returned to Compliance | 01-NOV-2014 | 30-NOV-2014 | Yes |
| MR | Monitoring, Source Water (GWR) | Ground Water Rule | E. COLI | 551 | Returned to Compliance | 01-NOV-2014 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 544 | Returned to Compliance | 01-OCT-2014 | 31-DEC-2014 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 542 | Returned to Compliance | 01-JUL-2014 | 30-SEP-2014 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 537 | Returned to Compliance | 01-APR-2014 | 30-JUN-2014 | Yes |
| MR | Monitoring, Source Water (GWR) | Ground Water Rule | E. COLI | 536 | Returned to Compliance | 01-JAN-2014 | - | No |
| MR | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | Lead and Copper Rule | 532 | Returned to Compliance | 01-OCT-2013 | - | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 531 | Returned to Compliance | 11-JUL-2013 | - | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 530 | Returned to Compliance | 01-MAR-2013 | 31-MAR-2013 | No |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 518 | Returned to Compliance | 01-JUN-2012 | 30-JUN-2012 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 515 | Returned to Compliance | 01-MAY-2012 | 31-MAY-2012 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 509 | Returned to Compliance | 01-OCT-2008 | 31-OCT-2008 | Yes |
| MR | Monitoring, Repeat Major (TCR) | Total Coliform Rule | Coliform (TCR) | 511 | Returned to Compliance | 01-AUG-2008 | 31-AUG-2008 | No |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 208 | Returned to Compliance | 01-JUN-2008 | 30-JUN-2008 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Inorganic Chemicals | Fluoride | 1218582 | Known | 19-JUL-1979 | 18-AUG-1979 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Inorganic Chemicals | Fluoride | 1359884 | Known | 19-JUL-1979 | 18-JUL-1980 | Yes |