Know Your Environment. Protect Your Health.

Chromium (hexavalent)

JBLM Lewis

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).

 

30

Samples

0

Samples exceeding legal limit (MCL)

28

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.165 ppb1614ND - 0.715 ppb
20150.379 ppb14140.0610 ppb - 1.24 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
2014-06-09WA97-SE1-14-10670-256050.385 ppb
2014-06-09WA97-SE1-14-10670-256040.134 ppb
2014-06-10WA97-SE1-14-11079-265030.0610 ppb
2014-06-10WA97-SE1-14-11079-265000.610 ppb
2014-06-10WA97-SE1-14-11079-265040.0310 ppb
2014-06-10WA97-SE1-14-11079-26501ND
2014-06-11WA97-SE1-14-11079-264990.0610 ppb
2014-06-11WA97-SE1-14-11079-265020.115 ppb
2014-12-2931636210.0626 ppb
2014-12-2931635780.135 ppb
2014-12-293163592ND
2014-12-2931636670.0712 ppb
2014-12-2931636140.0640 ppb
2014-12-2931635830.143 ppb
2014-12-2931636390.0553 ppb
2014-12-2931636260.715 ppb
2015-03-17WA97-SE1-15-05041-116210.0610 ppb
2015-03-17WA97-SE1-15-05041-116170.0610 ppb
2015-03-17WA97-SE1-15-05041-116191.19 ppb
2015-03-17WA97-SE1-15-05041-116160.152 ppb
2015-03-17WA97-SE1-15-05041-116181.24 ppb
2015-03-17WA97-SE1-15-05041-116200.195 ppb
2015-03-18WA97-SE1-15-05320-122070.194 ppb
2015-03-18WA97-SE1-15-05320-122080.206 ppb
2015-09-0233143740.226 ppb
2015-09-0233143520.172 ppb
2015-09-0233143391.16 ppb
2015-09-1433225190.147 ppb
2015-09-1433224970.150 ppb
2015-09-2333288890.145 ppb