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EWG's Tap Water Database — 2019 UPDATE

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Chromium (hexavalent)

City of San Benito

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).

 

16

Samples

0

Samples exceeding legal limit (MCL)

8

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
20130.0233 ppb126ND - 0.0530 ppb
20140.0210 ppb42ND - 0.0450 ppb
2015N/A00N/A
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
2013-05-063E08037-04A0.0430 ppb
2013-05-063E08037-02AND
2013-05-063E08037-03A0.0520 ppb
2013-05-063E08037-01AND
2013-08-193H21033-07AND
2013-08-193H21033-05AND
2013-08-193H21033-03A0.0480 ppb
2013-08-193H21033-01A0.0530 ppb
2013-11-183K19024-05AND
2013-11-183K19024-01A0.0420 ppb
2013-11-183K19024-03A0.0410 ppb
2013-11-183K19024-07AND
2014-03-034C04096-05A0.0450 ppb
2014-03-034C04096-07AND
2014-03-034C04096-03AND
2014-03-034C04096-01A0.0390 ppb