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EWG's Tap Water Database — 2021 UPDATE

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Chromium (hexavalent)

City of Pasadena

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).

MORE ABOUT THIS CONTAMINANT

 

30

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.00573 ppb304ND - 0.0440 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
2014-01-211068590007ND
2014-01-211068590003ND
2014-01-211068590004ND
2014-01-211068590001ND
2014-01-211068803002ND
2014-01-211068590002ND
2014-01-211068590010ND
2014-01-221068803007ND
2014-01-221068803004ND
2014-01-221068803001ND
2014-01-231068803010ND
2014-01-231068803003ND
2014-04-162002669010ND
2014-04-162002669007ND
2014-04-162002669001ND
2014-04-162002669003ND
2014-04-162002669005ND
2014-09-022026794005ND
2014-09-022026794007ND
2014-09-022026794001ND
2014-09-022026794003ND
2014-09-032027138002ND
2014-09-222030537003ND
2014-09-2220316810010.0430 ppb
2014-09-222030537005ND
2014-09-222030537001ND
2014-09-222030537008ND
2014-09-2920316810030.0440 ppb
2014-09-2920316810080.0440 ppb
2014-09-2920316810050.0410 ppb