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EWG's Tap Water Database — 2021 UPDATE

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Chromium (hexavalent)

Warrenville

Chromium (hexavalent) is a carcinogen that commonly contaminates American drinking water. Chromium (hexavalent) in drinking water may be due to industrial pollution or natural occurrences in mineral deposits and groundwater. Read more about chromium (hexavalent).

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND110ND
2014ND10ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.02 ppb

The EWG Health Guideline of 0.02 ppb for chromium (hexavalent) 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 cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2013-06-0422497501ND
2013-06-0422497301ND
2013-06-0422497201ND
2013-06-0422497601ND
2013-06-0422497401ND
2013-06-0422497701ND
2013-12-1024242201ND
2013-12-1024242101ND
2013-12-1024242001ND
2013-12-1024242301ND
2013-12-1024241901ND
2014-02-1825114401ND