| Other | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | Consumer Confidence Rule | 1345 | Returned to Compliance | 02-OCT-2025 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 1346 | Known | 01-OCT-2025 | 31-DEC-2025 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 1344 | Known | 01-JUL-2025 | 30-SEP-2025 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 1343 | Known | 01-APR-2025 | 30-JUN-2025 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 1342 | Known | 01-JAN-2025 | 31-MAR-2025 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 1341 | Known | 01-OCT-2024 | 31-DEC-2024 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 1340 | Known | 01-JUL-2024 | 30-SEP-2024 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 1339 | Known | 01-JAN-2024 | 31-MAR-2024 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 1338 | Known | 01-OCT-2023 | 31-DEC-2023 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 1337 | Known | 01-JUL-2023 | 30-SEP-2023 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 1331 | Known | 01-APR-2023 | 30-JUN-2023 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 1330 | Known | 01-JAN-2023 | 31-MAR-2023 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 1329 | Known | 01-OCT-2022 | 31-DEC-2022 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 1328 | Known | 01-JUL-2022 | 30-SEP-2022 | Yes |
| Other | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | Consumer Confidence Rule | 1327 | Returned to Compliance | 01-JUL-2022 | - | No |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 1326 | Known | 01-APR-2022 | 30-JUN-2022 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 1325 | Known | 01-JAN-2022 | 31-MAR-2022 | Yes |
| Other | Public Notification Violation for NPDWR Violation | Public Notice Rule and Revised PN Rule | Public Notice | 1319 | Returned to Compliance | 10-DEC-2021 | - | No |
| MR | Monitoring, Regular | Radionuclides and Revised Rad Rule | Radium-228 | 1324 | Returned to Compliance | 01-OCT-2021 | 31-DEC-2021 | No |
| MR | Monitoring, Regular | Radionuclides and Revised Rad Rule | Radium-226 | 1323 | Returned to Compliance | 01-OCT-2021 | 31-DEC-2021 | No |
| MR | Monitoring, Regular | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 1320 | Returned to Compliance | 01-OCT-2021 | 31-DEC-2021 | No |
| MR | Monitoring, Regular | Radionuclides and Revised Rad Rule | Combined Radium (-226 and -228) | 1322 | Returned to Compliance | 01-OCT-2021 | 31-DEC-2021 | No |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 1318 | Known | 01-OCT-2021 | 31-DEC-2021 | Yes |
| MR | Monitoring, Regular | Radionuclides and Revised Rad Rule | Combined Uranium | 1321 | Returned to Compliance | 01-OCT-2021 | 31-DEC-2021 | No |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 1317 | Known | 01-JUL-2021 | 30-SEP-2021 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 1316 | Known | 01-APR-2021 | 30-JUN-2021 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 1315 | Known | 01-JAN-2021 | 31-MAR-2021 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Arsenic Rule | Arsenic | 1314 | Known | 01-OCT-2020 | 31-DEC-2020 | Yes |
| MR | Monitoring, Regular | Arsenic Rule | Arsenic | 1313 | Returned to Compliance | 01-JUL-2020 | 30-SEP-2020 | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 1311 | Returned to Compliance | 01-OCT-2013 | 31-OCT-2013 | No |
| MR | Monitoring, Repeat Major (TCR) | Total Coliform Rule | Coliform (TCR) | 1310 | Returned to Compliance | 01-SEP-2013 | 30-SEP-2013 | No |
| MR | Monitoring, Regular | Nitrate Rule | Nitrate | 1309 | Returned to Compliance | 01-JAN-2011 | 31-DEC-2011 | No |
| MR | Monitoring, Regular | Nitrate Rule | Nitrate | 1308 | Returned to Compliance | 01-JAN-2010 | 31-DEC-2010 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 1307 | Returned to Compliance | 01-APR-2007 | 30-APR-2007 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 1306 | Returned to Compliance | 01-MAR-2006 | 31-MAR-2006 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 1205 | Returned to Compliance | 01-MAR-2005 | 31-MAR-2005 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 1005 | Returned to Compliance | 01-FEB-2005 | 28-FEB-2005 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 905 | Returned to Compliance | 01-JAN-2005 | 31-JAN-2005 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 805 | Returned to Compliance | 01-NOV-2004 | 30-NOV-2004 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 705 | Returned to Compliance | 01-SEP-2004 | 30-SEP-2004 | No |
| MR | Monitoring, Regular | Nitrate Rule | Nitrate | 1105 | Returned to Compliance | 01-JAN-2004 | 31-DEC-2004 | No |
| MR | Monitoring, Regular | Nitrate Rule | Nitrate | 603 | Returned to Compliance | 01-JAN-2002 | 31-DEC-2002 | No |
| MR | Monitoring, Regular | Nitrate Rule | Nitrate | 502 | Returned to Compliance | 01-JAN-2001 | 31-DEC-2001 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 200 | Returned to Compliance | 01-MAR-2000 | 31-MAR-2000 | No |
| MR | Monitoring, Regular | Nitrate Rule | Nitrate | 401 | Returned to Compliance | 01-JAN-2000 | 31-DEC-2000 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 300 | Returned to Compliance | 01-NOV-1999 | 30-NOV-1999 | No |