Know Your Environment. Protect Your Health.

Chromium (hexavalent)

Washington State University

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).

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2015ND120ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023N/A00N/A

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2015-03-11WA97-SE1-15-04741-10855ND
2015-03-11WA97-SE1-15-04741-10856ND
2015-03-11WA97-SE1-15-04741-10857ND
2015-03-11WA97-SE1-15-04741-10854ND
2015-03-11WA97-SE1-15-04741-10853ND
2015-03-11WA97-SE1-15-04741-10852ND
2015-09-15WA97-SE2-15-20052-44634ND
2015-09-15WA97-SE2-15-20052-44635ND
2015-09-15WA97-SE2-15-20052-44636ND
2015-09-15WA97-SE2-15-20052-44632ND
2015-09-15WA97-SE2-15-20052-44631ND
2015-09-15WA97-SE2-15-20052-44633ND