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EWG's Tap Water Database — 2019 UPDATE

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Chromium (hexavalent)

Cedar City Waterworks

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).

 

14

Samples

0

Samples exceeding legal limit (MCL)

13

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
20140.762 ppb1413ND - 3.70 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 Result
2014-05-200.880 ppb
2014-05-203.70 ppb
2014-05-200.240 ppb
2014-05-200.250 ppb
2014-05-201.80 ppb
2014-05-201.60 ppb
2014-05-200.200 ppb
2014-11-170.350 ppb
2014-11-170.190 ppb
2014-11-170.730 ppb
2014-11-170.190 ppb
2014-11-170.330 ppb
2014-11-170.210 ppb
2014-11-17ND