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EWG's Tap Water Database — 2019 UPDATE

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Chromium (hexavalent)

Heber Springs Water System

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).

 

8

Samples

0

Samples exceeding legal limit (MCL)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
20130.0403 ppb440.0310 ppb - 0.0570 ppb
20140.0115 ppb41ND - 0.0460 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
2013-07-091319200360.0570 ppb
2013-07-091319200370.0360 ppb
2013-10-091328300210.0310 ppb
2013-10-091328300220.0370 ppb
2014-01-15140170019ND
2014-01-15140170020ND
2014-04-091410000430.0460 ppb
2014-04-09141000042ND