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EWG's Tap Water Database

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Chromium (hexavalent)

Plainview WD

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).

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010N/A00N/A
2011N/A00N/A
2012N/A00N/A
2013N/A00N/A
20140.104 ppb1512ND - 0.180 ppb
2015N/A00N/A

ppb = parts per billion.

State and national drinking water standards and health guidelines

Health Guideline 0.02 ppb

The 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
2014-05-1335138482010AM0.140 ppb
2014-05-1335138482007AM0.140 ppb
2014-05-1335138482003AMND
2014-05-1335138482009AM0.0830 ppb
2014-05-1435138482001AM0.180 ppb
2014-05-1435138482012AM0.150 ppb
2014-05-1435138482005AM0.140 ppb
2014-05-3035140106001AMND
2014-11-0535163400003AMND
2014-11-0535163400001AM0.0990 ppb
2014-11-1235163769003AM0.160 ppb
2014-11-1235164080003AM0.120 ppb
2014-11-1235164080001AM0.150 ppb
2014-11-1235163769001AM0.0750 ppb
2014-11-1335164082001AM0.130 ppb