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EWG's Tap Water Database — 2021 UPDATE

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Chromium (hexavalent)

Bayou Liberty Water Association

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
2013ND120ND
2014N/A00N/A
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
2013-04-153589922005AMND
2013-04-153589922009AMND
2013-04-153589922011AMND
2013-04-153589922007AMND
2013-04-153589922003AMND
2013-04-153589922001AMND
2013-10-2335113304005AMND
2013-10-2335113304009AMND
2013-10-2335113304007AMND
2013-10-2335113304003AMND
2013-10-2335113304011AMND
2013-10-2335113304001AMND