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EWG's Tap Water Database — 2021 UPDATE

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Chromium (hexavalent)

Riverview

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).

 

8

Samples

0

Samples exceeding legal limit (MCL)

8

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.111 ppb660.0750 ppb - 0.157 ppb
20140.0975 ppb220.0840 ppb - 0.111 ppb
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
2013-05-08718431-87960.120 ppb
2013-05-08718429-87960.0890 ppb
2013-08-13737668-94900.0750 ppb
2013-08-13737670-94900.129 ppb
2013-11-12758279-102690.0940 ppb
2013-11-12758281-102690.157 ppb
2014-02-11770234-107350.111 ppb
2014-02-11770232-107350.0840 ppb