Know Your Environment. Protect Your Health.

Chromium (hexavalent)

PUD #1 of Asotin County

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)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.00567 ppb122ND - 0.0380 ppb
2015N/A00N/A
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
2014-01-14WA97-SE1-14-01071-2776ND
2014-01-14WA97-SE1-14-01071-27770.0380 ppb
2014-01-14WA97-SE1-14-01071-2779ND
2014-01-14WA97-SE1-14-01071-2778ND
2014-01-14WA97-SE1-14-01071-2774ND
2014-01-14WA97-SE1-14-01071-2775ND
2014-07-24WA97-SE2-14-14437-33573ND
2014-07-24WA97-SE2-14-14437-33575ND
2014-07-24WA97-SE2-14-14437-33576ND
2014-07-24WA97-SE2-14-14437-33574ND
2014-07-24WA97-SE2-14-14437-335710.0300 ppb
2014-07-24WA97-SE2-14-14437-33572ND