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EWG's Tap Water Database — 2021 UPDATE

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Chromium (hexavalent)

Bartlett

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).

 

14

Samples

0

Samples exceeding legal limit (MCL)

10

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.271 ppb75ND - 0.470 ppb
20140.354 ppb75ND - 0.560 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
2013-09-10233731010.0400 ppb
2013-09-1023373301ND
2013-09-1023373201ND
2013-09-10233728010.470 ppb
2013-09-10233729010.470 ppb
2013-12-10242427010.450 ppb
2013-12-10242428010.470 ppb
2014-03-11250452010.560 ppb
2014-03-1125045301ND
2014-03-11250450010.550 ppb
2014-03-11250451010.560 ppb
2014-06-10260402010.400 ppb
2014-06-10260401010.410 ppb
2014-12-1025045401ND