| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 35710 | Known | 01-OCT-2011 | 31-OCT-2011 | Yes |
| MCL | Maximum Contaminant Level Violation, Monthly (TCR) | Total Coliform Rule | Coliform (TCR) | 35709 | Known | 01-SEP-2011 | 30-SEP-2011 | Yes |
| TT | Single Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 35708 | Known | 01-DEC-2008 | 31-DEC-2008 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 35707 | Known | 01-JAN-2008 | 31-MAR-2008 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 35706 | Known | 01-OCT-2007 | 31-DEC-2007 | Yes |
| MCL | Maximum Contaminant Level Violation, Average | Stage 1 Disinfectants and Disinfection Byproducts Rule | Total Haloacetic Acids (HAA5) | 1002 | Known | 01-JUL-2006 | 30-SEP-2006 | Yes |
| TT | Single Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 292 | Returned to Compliance | 01-DEC-2005 | 31-DEC-2005 | Yes |
| TT | Monthly Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 657 | Returned to Compliance | 01-APR-2005 | 30-APR-2005 | Yes |
| TT | Monthly Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 462 | Returned to Compliance | 01-MAR-2005 | 31-MAR-2005 | Yes |
| TT | Monthly Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 402 | Returned to Compliance | 01-FEB-2005 | 28-FEB-2005 | Yes |
| TT | Monthly Turbidity Exceed (Enhanced SWTR) | Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Interim Enhanced Surface Water Treatment Rule | 35705 | Returned to Compliance | 01-JAN-2005 | 31-JAN-2005 | Yes |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 24305 | Returned to Compliance | 01-DEC-2004 | 31-DEC-2004 | Yes |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 463 | Known | 01-APR-2002 | 30-APR-2002 | No |
| Other | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | Consumer Confidence Rule | 796 | Returned to Compliance | 10-AUG-2001 | - | No |
| Other | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | Consumer Confidence Rule | 99 | Returned to Compliance | 19-OCT-1999 | - | No |
| TT | Treatment Technique (SWTR and GWR) | Surface Water Treatment Rule | Surface Water Treatment Rule | 9301600 | Known | 01-JUL-1993 | 31-JUL-1993 | Yes |
| MR | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | Surface Water Treatment Rule | 9301699 | Known | 01-JUL-1993 | 31-JUL-1993 | No |
| MR | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | Lead and Copper Rule | 9301543 | Returned to Compliance | 01-JAN-1993 | - | No |
| MR | Monitoring, Routine Minor (TCR) | Total Coliform Rule | Coliform (TCR) | 9001040 | Known | 01-SEP-1990 | 30-SEP-1990 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | cis-1,2-Dichloroethylene | 8902360 | Known | 01-JUL-1989 | 30-SEP-1989 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | DICHLOROMETHANE | 8902362 | Known | 01-JUL-1989 | 30-SEP-1989 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | o-Dichlorobenzene | 8902357 | Known | 01-JUL-1989 | 30-SEP-1989 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | p-Dichlorobenzene | 8902334 | Known | 01-JUL-1989 | 30-SEP-1989 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Vinyl chloride | 8902339 | Known | 01-JUL-1989 | 30-SEP-1989 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1-Dichloroethylene | 8902336 | Known | 01-JUL-1989 | 30-SEP-1989 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | trans-1,2-Dichloroethylene | 8902361 | Known | 01-JUL-1989 | 30-SEP-1989 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2-Dichloroethane | 8902335 | Known | 01-JUL-1989 | 30-SEP-1989 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1,1-Trichloroethane | 8902337 | Known | 01-JUL-1989 | 30-SEP-1989 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Carbon tetrachloride | 8902333 | Known | 01-JUL-1989 | 30-SEP-1989 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2-Dichloropropane | 8902363 | Known | 01-JUL-1989 | 30-SEP-1989 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Trichloroethylene | 8902338 | Known | 01-JUL-1989 | 30-SEP-1989 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,1,2-Trichloroethane | 8902380 | Known | 01-JUL-1989 | 30-SEP-1989 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Tetrachloroethylene | 8902376 | Known | 01-JUL-1989 | 30-SEP-1989 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | CHLOROBENZENE | 8902348 | Known | 01-JUL-1989 | 30-SEP-1989 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Benzene | 8902332 | Known | 01-JUL-1989 | 30-SEP-1989 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Toluene | 8902377 | Known | 01-JUL-1989 | 30-SEP-1989 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Ethylbenzene | 8902368 | Known | 01-JUL-1989 | 30-SEP-1989 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | Styrene | 8902373 | Known | 01-JUL-1989 | 30-SEP-1989 | No |
| MR | Monitoring, Regular | Volatile Organic Chemicals | 1,2,4-Trichlorobenzene | 8902379 | Known | 01-JUL-1989 | 30-SEP-1989 | No |
| MCL | Maximum Contaminant Level Violation, Single Sample | Inorganic Chemicals | Selenium | 8600171 | Known | 23-DEC-1985 | 22-FEB-1986 | Yes |
| MR | Monitoring, Check/Repeat/Confirmation | Inorganic Chemicals | Selenium | 8600172 | Known | 25-JUN-1985 | 24-JUL-1985 | No |
| MR | Monitoring, Check/Repeat/Confirmation | Inorganic Chemicals | Selenium | 8503247 | Known | 25-JUN-1984 | 24-JUN-1985 | No |
| MCL | Maximum Contaminant Level Violation, Single Sample | Inorganic Chemicals | Chromium | 8503207 | Known | 25-JUN-1984 | 24-JUN-1985 | Yes |
| MR | Monitoring, Check/Repeat/Confirmation | Inorganic Chemicals | Chromium | 8503245 | Known | 25-JUN-1984 | 24-JUN-1985 | No |
| MCL | Maximum Contaminant Level Violation, Single Sample | Inorganic Chemicals | Selenium | 8503208 | Known | 25-JUN-1984 | 24-JUN-1985 | Yes |
| MR | Monitoring, Regular | Nitrate Rule | Nitrate | 8301436 | Known | 25-JUN-1982 | 24-JUN-1983 | No |
| MR | Monitoring, Regular | Arsenic Rule | Arsenic | 8301426 | Known | 25-JUN-1982 | 24-JUN-1983 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Chromium | 8301457 | Known | 25-JUN-1982 | 24-JUN-1983 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Selenium | 8301452 | Known | 25-JUN-1982 | 24-JUN-1983 | No |
| MR | Monitoring, Regular | Inorganic Chemicals | Cadmium | 8301458 | Known | 25-JUN-1982 | 24-JUN-1983 | No |