Know Your Environment. Protect Your Health.

Chromium (hexavalent)

Walker 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).

 

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
2015-03-1635179704003AMND
2015-03-1635179704005AMND
2015-03-1635179704007AMND
2015-03-1635179704011AMND
2015-03-1635179704009AMND
2015-03-1635179704001AMND
2015-09-0835206431003AMND
2015-09-0835206431005AMND
2015-09-0835206431011AMND
2015-09-0835206431009AMND
2015-09-0835206431007AMND
2015-09-0835206431001AMND