Chromium (hexavalent)

Avion Water Company - Avion

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	0.857 ppb	12	12	0.660 ppb - 1.50 ppb
2015	0.855 ppb	11	11	0.670 ppb - 1.50 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
2014-09-17	201409180696AM	0.680 ppb
2014-09-17	201409180782AM	0.660 ppb
2014-09-17	201409180722AM	0.800 ppb
2014-09-18	201409190416AM	0.750 ppb
2014-09-18	201409190420AM	0.750 ppb
2014-09-18	201409190324AM	0.880 ppb
2014-09-18	201409200130AM	0.810 ppb
2014-09-18	201409190397AM	0.810 ppb
2014-09-18	201409190394AM	0.860 ppb
2014-09-18	201409190370AM	0.680 ppb
2014-09-22	201409230153AM	1.10 ppb
2014-09-22	201409230173AM	1.50 ppb
2015-03-12	201503140142AM	0.710 ppb
2015-03-12	201503140185AM	0.700 ppb
2015-03-18	201503190382AM	0.820 ppb
2015-03-24	201503250484AM	0.900 ppb
2015-03-24	201503250476AM	0.710 ppb
2015-03-25	201503260673AM	0.890 ppb
2015-03-25	201503260746AM	1.50 ppb
2015-05-20	201505040214AM	0.940 ppb
2015-05-20	201505040212AM	0.720 ppb
2015-07-30	201507160160AM	0.840 ppb
2015-07-30	201507160161AM	0.670 ppb