Note: Just because the latest incident is in 2017 or 2018 doesn't mean your water is free of contaminants! There is a considerable lag between when data is collected and when it is published by the EPA.
Arsenic is a semi-metal element in the periodic table. It is odorless and tasteless. It enters drinking water supplies from natural deposits in the earth or from agricultural and industrial practices. Approximately 90 percent of industrial arsenic in the U.S. is currently used as a wood preservative, but arsenic is also used in paints, dyes, metals, drugs, soaps, and semi-conductors. Agricultural applications, mining, and smelting also contribute to arsenic releases in the environment.
Skin damage or problems with circulatory systems, and may have increased risk of getting cancer
Coliforms are bacteria that are naturally present in the environment and used as an indicator that other, potentially harmful, bacteria may be present. Coliforms found in more samples than allowed is a warning of potential problems.
Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5
| Water System | Type | Measure | Violation | Effects | Begin Date |
|---|---|---|---|---|---|
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2012-04-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2012-04-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2012-04-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2012-04-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2012-04-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2012-04-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2012-04-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 2 | Coliform (TCR) | MCL, Monthly (TCR) | Maximum Contaminant Level Violation | Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 | 2011-12-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 2 | Coliform (TCR) | MCL, Monthly (TCR) | Maximum Contaminant Level Violation | Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 | 2011-12-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 2 | Coliform (TCR) | MCL, Monthly (TCR) | Maximum Contaminant Level Violation | Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 | 2011-12-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 2 | Coliform (TCR) | MCL, Monthly (TCR) | Maximum Contaminant Level Violation | Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 | 2011-12-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 2 | Coliform (TCR) | MCL, Monthly (TCR) | Maximum Contaminant Level Violation | Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 | 2011-12-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2011-04-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2011-04-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2011-04-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2011-04-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2011-04-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2011-04-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2011-04-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2011-01-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2011-01-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2011-01-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2011-01-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2011-01-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2011-01-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2011-01-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2010-10-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2010-10-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2010-10-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2010-10-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2010-10-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2010-10-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Arsenic | MCL, Average | Maximum Contaminant Level Violation | Skin damage or problems with circulatory systems, and may have increased risk of getting cancer | 2010-10-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 2 | Coliform (TCR) | MCL, Monthly (TCR) | Maximum Contaminant Level Violation | Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 | 2010-07-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 2 | Coliform (TCR) | MCL, Monthly (TCR) | Maximum Contaminant Level Violation | Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 | 2010-07-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 2 | Coliform (TCR) | MCL, Monthly (TCR) | Maximum Contaminant Level Violation | Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 | 2010-07-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 2 | Coliform (TCR) | MCL, Monthly (TCR) | Maximum Contaminant Level Violation | Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 | 2010-07-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 2 | Coliform (TCR) | MCL, Monthly (TCR) | Maximum Contaminant Level Violation | Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 | 2010-07-01 |
| WBR DISTRICT 4 -SECTION ROAD WINTERVILLE | Coliform (TCR) | MCL, Monthly (TCR) | Maximum Contaminant Level Violation | Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 | 2009-09-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 2 | Coliform (TCR) | MCL, Monthly (TCR) | Maximum Contaminant Level Violation | Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 | 2009-09-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Coliform (TCR) | MCL, Monthly (TCR) | Maximum Contaminant Level Violation | Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 | 2009-09-01 |
| WBR DISTRICT 4 -SECTION ROAD WINTERVILLE | Coliform (TCR) | MCL, Monthly (TCR) | Maximum Contaminant Level Violation | Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 | 2009-09-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Coliform (TCR) | MCL, Monthly (TCR) | Maximum Contaminant Level Violation | Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 | 2009-09-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Coliform (TCR) | MCL, Monthly (TCR) | Maximum Contaminant Level Violation | Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 | 2009-09-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 2 | Coliform (TCR) | MCL, Monthly (TCR) | Maximum Contaminant Level Violation | Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 | 2009-09-01 |
| WBR DISTRICT 4 -SECTION ROAD WINTERVILLE | Coliform (TCR) | MCL, Monthly (TCR) | Maximum Contaminant Level Violation | Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 | 2009-09-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Coliform (TCR) | MCL, Monthly (TCR) | Maximum Contaminant Level Violation | Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 | 2009-09-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 2 | Coliform (TCR) | MCL, Monthly (TCR) | Maximum Contaminant Level Violation | Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 | 2009-09-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 2 | Coliform (TCR) | MCL, Monthly (TCR) | Maximum Contaminant Level Violation | Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 | 2009-09-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Coliform (TCR) | MCL, Monthly (TCR) | Maximum Contaminant Level Violation | Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 | 2009-09-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Coliform (TCR) | MCL, Monthly (TCR) | Maximum Contaminant Level Violation | Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 | 2009-09-01 |
| WBR DISTRICT 4 -SECTION ROAD WINTERVILLE | Coliform (TCR) | MCL, Monthly (TCR) | Maximum Contaminant Level Violation | Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 | 2009-09-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 1 | Coliform (TCR) | MCL, Monthly (TCR) | Maximum Contaminant Level Violation | Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 | 2009-09-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 2 | Coliform (TCR) | MCL, Monthly (TCR) | Maximum Contaminant Level Violation | Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 | 2009-09-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 2 | Coliform (TCR) | MCL, Monthly (TCR) | Maximum Contaminant Level Violation | Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 | 2008-10-01 |
| WEST BATON ROUGE WATER WORKS DISTRICT 2 | Coliform (TCR) | MCL, Monthly (TCR) | Maximum Contaminant Level Violation | Not a health threat in itself; it is used to indicate whether other potentially harmful bacteria may be present5 | 2008-10-01 |
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