| MR | Failure to Conduct Assessment Monitoring | Ground Water Rule | E. COLI | 20260002108 | Known | 01-DEC-2025 | 31-DEC-2025 | No |
| MR | Failure to Conduct Assessment Monitoring | Ground Water Rule | E. COLI | 20240021482 | Known | 01-SEP-2024 | 30-SEP-2024 | No |
| MR | Failure to Conduct Assessment Monitoring | Ground Water Rule | E. COLI | 20240020143 | Returned to Compliance | 01-AUG-2024 | 31-AUG-2024 | No |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 20240019625 | Returned to Compliance | 01-JUL-2024 | 31-JUL-2024 | No |
| MR | Failure to Conduct Assessment Monitoring | Ground Water Rule | E. COLI | 20240019546 | Returned to Compliance | 01-JUL-2024 | 31-JUL-2024 | No |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 20240017148 | Returned to Compliance | 01-JUN-2024 | 30-JUN-2024 | No |
| MR | Failure to Conduct Assessment Monitoring | Ground Water Rule | E. COLI | 20240017347 | Returned to Compliance | 01-JUN-2024 | 30-JUN-2024 | No |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 20240016117 | Returned to Compliance | 01-APR-2024 | 30-APR-2024 | No |
| MR | Failure to Conduct Assessment Monitoring | Ground Water Rule | E. COLI | 20240016097 | Returned to Compliance | 01-APR-2024 | 30-APR-2024 | No |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 20240012624 | Returned to Compliance | 01-JAN-2024 | 31-JAN-2024 | No |
| MR | Failure to Conduct Assessment Monitoring | Ground Water Rule | E. COLI | 20240012667 | Returned to Compliance | 01-JAN-2024 | 31-JAN-2024 | No |
| MR | Failure to Conduct Assessment Monitoring | Ground Water Rule | E. COLI | 20230011844 | Returned to Compliance | 01-JUN-2023 | 30-JUN-2023 | No |
| MON | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | Revised Total Coliform Rule | 20230011620 | Returned to Compliance | 01-JUN-2023 | 30-JUN-2023 | No |
| MR | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | Lead and Copper Rule | 20240021552 | Open | 01-JAN-2022 | - | No |
| MR | Failure Submit IDSE/Subpart V Plan Rpt | Stage 2 Disinfectants and Disinfection Byproducts Rule | Stage 2 Disinfectants and Disinfection Byproducts Rule | 20120002001 | Returned to Compliance | 02-JUL-2010 | - | No |
| MR | Monitoring, Routine (IDSE) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20120002213 | Known | 01-JAN-2010 | 31-MAR-2010 | No |
| MR | Monitoring, Routine (IDSE) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 20120002214 | Known | 01-JAN-2010 | 31-MAR-2010 | No |
| MR | Monitoring, Routine (IDSE) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20120002215 | Known | 01-OCT-2009 | 31-DEC-2009 | No |
| MR | Monitoring, Routine (IDSE) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 20120002216 | Known | 01-OCT-2009 | 31-DEC-2009 | No |
| MR | Monitoring, Routine (IDSE) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20120002217 | Known | 01-JUL-2009 | 30-SEP-2009 | No |
| MR | Monitoring, Routine (IDSE) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 20120002218 | Known | 01-JUL-2009 | 30-SEP-2009 | No |
| MR | Monitoring, Routine (IDSE) | Stage 2 Disinfectants and Disinfection Byproducts Rule | TTHM | 20120002220 | Known | 01-APR-2009 | 30-JUN-2009 | No |
| MR | Monitoring, Routine (IDSE) | Stage 2 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 20120002219 | Known | 01-APR-2009 | 30-JUN-2009 | No |
| MR | Monitoring, Regular | Nitrate Rule | Nitrate | 20050005347 | Known | 01-JAN-2004 | 31-DEC-2004 | No |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 97V0001 | Known | 01-JUL-1997 | 31-JUL-1997 | Yes |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 95V0001 | Known | 01-AUG-1995 | 31-AUG-1995 | No |
| MR | Monitoring, Routine Major (TCR) | Total Coliform Rule | Coliform (TCR) | 95V0002 | Known | 01-JUL-1995 | 31-JUL-1995 | No |
| MR | Monitoring, Regular | Arsenic Rule | Arsenic | 88V0012 | Known | 01-APR-1985 | 31-MAR-1988 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Chromium | 88V0009 | Known | 01-APR-1985 | 31-MAR-1988 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Selenium | 88V0004 | Known | 01-APR-1985 | 31-MAR-1988 | No |
| MR | Monitoring, Regular | Nitrate Rule | Nitrate | 88V0005 | Known | 01-APR-1985 | 31-MAR-1988 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Mercury | 88V0006 | Known | 01-APR-1985 | 31-MAR-1988 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Fluoride | 88V0008 | Known | 01-APR-1985 | 31-MAR-1988 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Cadmium | 88V0010 | Known | 01-APR-1985 | 31-MAR-1988 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Barium | 88V0011 | Known | 01-APR-1985 | 31-MAR-1988 | No |
| MR | Monitoring, Regular | Radionuclides and Revised Rad Rule | Gross Alpha, Excl. Radon and U | 88V0001 | Known | 01-MAY-1984 | 30-APR-1988 | No |