Chromium (hexavalent)

City of Asheville

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).

MORE ABOUT THIS CONTAMINANT

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Detections	Range of results
2014	N/A	0	0	N/A
2015	0.0313 ppb	24	15	ND - 0.0800 ppb
2016	N/A	0	0	N/A
2017	N/A	0	0	N/A
2018	N/A	0	0	N/A
2019	N/A	0	0	N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2015-01-12	3168156	0.0400 ppb
2015-01-12	3168146	0.0700 ppb
2015-01-12	3168128	0.0300 ppb
2015-01-12	3168109	ND
2015-01-12	3168119	ND
2015-01-12	3168123	0.0400 ppb
2015-04-13	3223611	0.0500 ppb
2015-04-13	3223726	0.0400 ppb
2015-04-13	3223648	ND
2015-04-21	3228914	0.0300 ppb
2015-04-21	3228915	ND
2015-04-21	3228916	0.0400 ppb
2015-07-13	3278604	0.0400 ppb
2015-07-13	3278677	ND
2015-07-13	3278645	0.0400 ppb
2015-07-13	3278667	ND
2015-07-13	3278588	ND
2015-07-13	3278631	0.0500 ppb
2015-10-12	3339548	ND
2015-10-12	3339475	0.0600 ppb
2015-10-12	3339565	ND
2015-10-12	3339527	0.0700 ppb
2015-10-12	3339494	0.0800 ppb
2015-10-12	3339517	0.0700 ppb