Know Your Environment. Protect Your Health.

Chromium (hexavalent)

West Slope Water District

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).

 

8

Samples

0

Samples exceeding legal limit (MCL)

8

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.0485 ppb220.0460 ppb - 0.0510 ppb
20140.0533 ppb660.0430 ppb - 0.0630 ppb
20150.0890 ppb110.0890 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
2013-12-10201312110646AM0.0510 ppb
2013-12-10201312110545AM0.0460 ppb
2014-03-18201403190620AM0.0520 ppb
2014-03-18201403190833AM0.0430 ppb
2014-06-24201406250201AM0.0550 ppb
2014-06-24201406250160AM0.0630 ppb
2014-09-16201409170771AM0.0530 ppb
2014-09-30201410010267AM0.0540 ppb