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EWG's Tap Water Database — 2019 UPDATE

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Chromium (hexavalent)

California Water Service Company - Hermosa / Redondo Beach

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).

 

26

Samples

0

Samples exceeding legal limit (MCL)

21

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
2014ND20ND
20150.0389 ppb2421ND - 0.0700 ppb
2016N/A00N/A
2017N/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
2014-09-049590-001-1220ND
2014-09-049590-005-0910ND
2015-02-11201502110763AM0.0360 ppb
2015-02-11201502110677AM0.0420 ppb
2015-02-11201502110683AM0.0700 ppb
2015-02-11201502120143AMND
2015-02-11201502120097AM0.0330 ppb
2015-02-11201502120104AM0.0300 ppb
2015-02-11201502110691AM0.0380 ppb
2015-02-11201502110757AMND
2015-05-06201505070050AM0.0530 ppb
2015-05-06201505070042AM0.0500 ppb
2015-05-06201505060701AM0.0530 ppb
2015-05-06201505070035AM0.0500 ppb
2015-08-06201508060779AM0.0350 ppb
2015-08-06201508060788AMND
2015-08-11201508120845AM0.0530 ppb
2015-08-11201508120817AM0.0470 ppb
2015-08-18201508190818AM0.0450 ppb
2015-08-18201508190823AM0.0460 ppb
2015-08-20201508200599AM0.0420 ppb
2015-08-20201508200654AM0.0430 ppb
2015-11-04201511040736AM0.0440 ppb
2015-11-04201511040701AM0.0410 ppb
2015-11-04201511040745AM0.0420 ppb
2015-11-04201511040809AM0.0410 ppb