Chromium (hexavalent)

Goforth SUD

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
2013	0.0446 ppb	22	14	ND - 0.110 ppb
2014	0.0459 ppb	2	1	ND - 0.0918 ppb
2015	N/A	0	0	N/A
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
2013-04-16	3D19006-05	0.103 ppb
2013-04-16	3D19006-10	0.0684 ppb
2013-04-16	3D19006-09	0.0486 ppb
2013-04-16	3D19006-07	0.0720 ppb
2013-04-16	3D19006-08	0.0486 ppb
2013-04-16	3D19006-06	0.0467 ppb
2013-04-16	3D19006-02	0.0550 ppb
2013-04-16	3D19006-04	ND
2013-04-16	3D19006-03	0.0624 ppb
2013-04-16	3D19006-01	ND
2013-07-17	3G23008-02	0.110 ppb
2013-07-17	3G23008-01	0.105 ppb
2013-10-16	3J22008-03A	ND
2013-10-16	3J22008-01A	0.0630 ppb
2013-10-16	3J22008-10A	ND
2013-10-16	3J22008-07A	ND
2013-10-16	3J22008-09A	ND
2013-10-16	3J22008-02A	ND
2013-10-16	3J22008-04A	ND
2013-10-16	3J22008-05A	0.0670 ppb
2013-10-16	3J22008-06A	0.0560 ppb
2013-10-16	3J22008-08A	0.0750 ppb
2014-01-22	4A28005-02	ND
2014-01-22	4A28005-01	0.0918 ppb