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EWG's Tap Water Database

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Thallium

Beauregard Water Works District #3

Thalium is a naturally occurring metal released into the environment from metal smelting and coal burning. Exposure to too much thalium can cause hair loss, liver damage, reduced sperm motility and nervous system impairment.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010N/A00N/A
2011N/A00N/A
2012ND120ND
2013ND100ND
2014N/A00N/A
2015ND20ND

ppb = parts per billion.

State and national drinking water standards and health guidelines

Health Guideline 0.1 ppb

The health guideline of 0.1 ppb for thallium was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.

ppb = parts per billion.

EPA Maximum Contaminant
Level (MCL) 2 ppb

The enforceable federal standard that defines the highest level of a contaminant allowed in drinking water.

ppb = parts per billion.

EPA Maximum Contaminant
Level Goal (MCLG)0.500 ppb

A non-enforceable federal health guideline. For cancer-causing chemicals, these health goals are typically set to zero.

ppb = parts per billion.

All test results

Date Lab ID Result
2012-06-193560137W12ND
2012-06-193560137W12ND
2012-11-05AD72976ND
2012-11-05AD72971ND
2012-11-05AD72966ND
2012-11-05AD72961ND
2012-11-05AD72981ND
2012-11-05AD72981ND
2012-11-05AD72976ND
2012-11-05AD72971ND
2012-11-05AD72966ND
2012-11-05AD72961ND
2013-01-14AD74744ND
2013-01-14AD74749ND
2013-01-14AD74754ND
2013-01-14AD74754ND
2013-01-14AD74749ND
2013-01-14AD74744ND
2013-01-14AD74739ND
2013-01-14AD74734ND
2013-01-14AD74734ND
2013-01-14AD74739ND
2015-03-0235177665002ND
2015-03-0235177665002ND