| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorite | 8506 | Returned to Compliance | 01-SEP-2025 | 30-SEP-2025 | Yes |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 8504 | Returned to Compliance | 01-JAN-2025 | 31-MAR-2025 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 8502 | Returned to Compliance | 01-OCT-2024 | 31-OCT-2024 | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 8501 | Returned to Compliance | 01-SEP-2024 | 30-SEP-2024 | No |
| MR | Failure Submit IDSE/Subpart V Plan Rpt | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 8499 | Open | 08-APR-2024 | - | No |
| TT | WQP Entry Point/Tap Treatment Technique Non-Compliance | Lead and Copper Rule | Lead and Copper Rule | 8500 | Returned to Compliance | 01-JAN-2024 | 30-JUN-2024 | Yes |
| MR | Lead Consumer Notice | Lead and Copper Rule | Lead and Copper Rule | 8493 | Returned to Compliance | 29-SEP-2023 | - | No |
| MR | Water Quality Parameter M/R | Lead and Copper Rule | Lead and Copper Rule | 8495 | Returned to Compliance | 01-JUL-2023 | 31-DEC-2023 | No |
| TT | WQP Entry Point/Tap Treatment Technique Non-Compliance | Lead and Copper Rule | Lead and Copper Rule | 8494 | Returned to Compliance | 01-JUL-2023 | 31-DEC-2023 | Yes |
| MR | Water Quality Parameter M/R | Lead and Copper Rule | Lead and Copper Rule | 8492 | Returned to Compliance | 01-JUL-2022 | 31-DEC-2022 | No |
| TT | WQP Entry Point/Tap Treatment Technique Non-Compliance | Lead and Copper Rule | Lead and Copper Rule | 8491 | Returned to Compliance | 01-JUL-2022 | 31-DEC-2022 | Yes |
| MR | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | Lead and Copper Rule | 8487 | Returned to Compliance | 01-JAN-2022 | - | No |
| TT | WQP Entry Point/Tap Treatment Technique Non-Compliance | Lead and Copper Rule | Lead and Copper Rule | 8489 | Returned to Compliance | 01-JAN-2022 | 30-JUN-2022 | Yes |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 8486 | Known | 01-OCT-2021 | 31-OCT-2021 | No |
| MR | Water Quality Parameter M/R | Lead and Copper Rule | Lead and Copper Rule | 8485 | Returned to Compliance | 01-JAN-2021 | 30-JUN-2021 | No |
| MR | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | Lead and Copper Rule | 8483 | Returned to Compliance | 01-JAN-2020 | - | No |
| MR | Water Quality Parameter M/R | Lead and Copper Rule | Lead and Copper Rule | 8481 | Returned to Compliance | 01-JAN-2019 | 30-JUN-2019 | No |
| Other | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | Consumer Confidence Rule | 8479 | Returned to Compliance | 01-OCT-2018 | - | No |
| Other | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | Consumer Confidence Rule | 8477 | Returned to Compliance | 01-JUL-2018 | - | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 8478 | Returned to Compliance | 01-JUL-2018 | 31-JUL-2018 | No |
| MR | Monitoring, Source Water (LT2) | Long Term 2 Enhanced Surface Water Treatment Rule | E. COLI | 8482 | Returned to Compliance | 01-JUL-2018 | 31-JUL-2018 | No |
| MR | Water Quality Parameter M/R | Lead and Copper Rule | Lead and Copper Rule | 8480 | Returned to Compliance | 01-JUL-2018 | 31-DEC-2018 | No |
| MR | Lead Consumer Notice | Lead and Copper Rule | Lead and Copper Rule | 8474 | Returned to Compliance | 01-APR-2018 | - | No |
| MR | Monitoring and Reporting (DBP) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 8475 | Returned to Compliance | 01-MAR-2018 | 31-MAY-2018 | No |
| MR | Water Quality Parameter M/R | Lead and Copper Rule | Lead and Copper Rule | 8476 | Returned to Compliance | 01-JAN-2018 | 30-JUN-2018 | No |
| TT | Monthly Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 8471 | Returned to Compliance | 01-JAN-2018 | 31-JAN-2018 | Yes |
| TT | Single Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 8470 | Returned to Compliance | 01-JAN-2018 | 31-JAN-2018 | Yes |
| MR | Monitoring, Source Water (LT2) | Long Term 2 Enhanced Surface Water Treatment Rule | E. COLI | 8473 | Returned to Compliance | 19-DEC-2017 | 18-JAN-2018 | No |
| TT | Single Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 8468 | Returned to Compliance | 01-OCT-2017 | 31-OCT-2017 | Yes |
| Other | Sample Siting Plan Errors (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 8472 | Returned to Compliance | 07-AUG-2017 | - | No |
| MR | Monitoring, Source Water (LT2) | Long Term 2 Enhanced Surface Water Treatment Rule | E. COLI | 8469 | Returned to Compliance | 01-AUG-2017 | 31-AUG-2017 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 8467 | Returned to Compliance | 01-APR-2017 | 30-JUN-2017 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 8466 | Returned to Compliance | 01-JAN-2017 | 31-MAR-2017 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 8465 | Returned to Compliance | 01-JAN-2017 | 31-MAR-2017 | Yes |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 8462 | Returned to Compliance | 01-DEC-2016 | 31-DEC-2016 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 8461 | Returned to Compliance | 01-OCT-2016 | 31-DEC-2016 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 8460 | Returned to Compliance | 01-JUL-2016 | 30-SEP-2016 | Yes |
| Other | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | Consumer Confidence Rule | 8459 | Returned to Compliance | 01-JUL-2016 | - | No |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 8456 | Returned to Compliance | 08-MAY-2016 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 8457 | Returned to Compliance | 01-APR-2016 | 30-JUN-2016 | Yes |
| MR | Monitoring and Reporting (DBP) | Stage 1 Disinfectants and Disinfection Byproducts Rule | Chlorine | 8458 | Returned to Compliance | 01-APR-2016 | 30-JUN-2016 | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 8454 | Returned to Compliance | 01-FEB-2016 | 29-FEB-2016 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 8455 | Returned to Compliance | 01-JAN-2016 | 31-MAR-2016 | Yes |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 8453 | Returned to Compliance | 01-JAN-2016 | 31-JAN-2016 | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 8452 | Returned to Compliance | 01-OCT-2015 | 31-DEC-2015 | Yes |
| MR | Failure Submit IDSE/Subpart V Plan Rpt | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 8451 | Returned to Compliance | 01-OCT-2015 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 8450 | Returned to Compliance | 01-JUL-2015 | 30-SEP-2015 | Yes |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 8448 | Returned to Compliance | 01-JUL-2015 | 31-JUL-2015 | No |
| MR | Failure Submit IDSE/Subpart V Plan Rpt | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 8449 | Returned to Compliance | 01-APR-2015 | - | No |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 8428 | Returned to Compliance | 01-AUG-2014 | 31-AUG-2014 | No |