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EWG's Tap Water Database — 2021 UPDATE

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Chromium (hexavalent)

IL American-fernway

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).

 

6

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.200 ppb220.200 ppb
20150.191 ppb660.182 ppb - 0.199 ppb
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
2015-03-11312630P0.183 ppb
2015-03-11112534Q0.195 ppb
2015-06-09313715P0.182 ppb
2015-06-09113635Q0.199 ppb
2015-09-16315487P0.192 ppb
2015-09-16115396Q0.197 ppb