Know Your Environment. Protect Your Health.

Chromium (hexavalent)

City of Yakima Water Division

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)

11

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20150.979 ppb1211ND - 2.92 ppb
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
2015-03-02WA97-SE1-15-03900-88670.213 ppb
2015-03-02WA97-SE1-15-03900-88660.0330 ppb
2015-03-03WA97-SE1-15-04048-91830.754 ppb
2015-03-03WA97-SE1-15-04048-91842.34 ppb
2015-03-03WA97-SE1-15-04048-91822.92 ppb
2015-06-22WA97-SE2-15-12586-284450.0300 ppb
2015-06-22WA97-SE2-15-12586-28444ND
2015-09-09WA97-SE3-15-19425-430360.0730 ppb
2015-09-09WA97-SE2-15-19425-430352.12 ppb
2015-09-09WA97-SE3-15-19425-430340.0510 ppb
2015-09-16WA97-SE2-15-20026-445330.483 ppb
2015-09-16WA97-SE2-15-20026-445322.74 ppb