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EWG's Tap Water Database — 2019 UPDATE

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Chromium (hexavalent)

Whittier Water Department

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)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
20130.355 ppb63ND - 1.60 ppb
20140.398 ppb42ND - 0.920 ppb
2015N/A00N/A
2016ND10ND
20175.00 ppb41ND - 20.0 ppb

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
2013-09-179588-008-1025ND
2013-09-179588-010-1010ND
2013-09-179588-011-09401.60 ppb
2013-09-179588-013-1040ND
2013-11-253K25016-01A0.0680 ppb
2013-11-263K26036-01A0.460 ppb
2014-05-214E21033-01A0.670 ppb
2014-05-214E21030-01A0.920 ppb
2014-07-159588-003-0930ND
2014-07-159588-009-0904ND
2016-09-139588-010-0910ND
2017-03-089588-008-0905ND
2017-03-089588-011-0855ND
2017-07-119588-009-081220.0 ppb
2017-07-189588-009-0801ND