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EWG's Tap Water Database — 2019 UPDATE

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Chromium (hexavalent)

City of Newport 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).

 

20

Samples

0

Samples exceeding legal limit (MCL)

12

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
20130.141 ppb880.0300 ppb - 0.260 ppb
20140.0713 ppb84ND - 0.210 ppb
2015N/A00N/A
2016N/A00N/A
2017ND40ND

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
2013-03-0430100238030.110 ppb
2013-03-1830100239910.260 ppb
2013-06-103010023803-20.0800 ppb
2013-06-113010023991-20.220 ppb
2013-09-033010023803-30.0600 ppb
2013-09-043010023991-30.260 ppb
2013-12-093010023803-40.0300 ppb
2013-12-103010023991-40.110 ppb
2014-01-073010023802-10.210 ppb
2014-01-073010023992-10.0300 ppb
2014-05-154417-003-0840ND
2014-05-154417-004-0820ND
2014-05-154417-005-0810ND
2014-06-103010023802-20.210 ppb
2014-06-103010023992-20.120 ppb
2014-06-184417-002-1300ND
2017-02-094417-004-0950ND
2017-05-034417-003-1220ND
2017-05-034417-005-1145ND
2017-05-034417-002-1235ND