Chromium (hexavalent)

Golden State Water Company (GSWC) - Artesia

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	0.228 ppb	16	11	ND - 1.10 ppb
2014	0.200 ppb	6	1	ND - 1.20 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
2013-03-12	201303120353AM	1.10 ppb
2013-03-12	201303120351AM	ND
2013-03-12	201303120355AM	0.0940 ppb
2013-03-12	201303120363AM	0.0640 ppb
2013-03-12	201303120361AM	0.120 ppb
2013-03-12	201303120359AM	ND
2013-03-12	201303120349AM	ND
2013-03-12	201303120357AM	0.400 ppb
2013-09-11	201309110730AM	1.10 ppb
2013-09-11	201309110732AM	0.0870 ppb
2013-09-11	201309110728AM	ND
2013-09-11	201309110736AM	0.0710 ppb
2013-09-11	201309110738AM	0.110 ppb
2013-09-11	201309110734AM	0.360 ppb
2013-09-11	201309110740AM	0.140 ppb
2013-09-11	201309110726AM	ND
2014-12-03	2706-031-1000	ND
2014-12-03	2706-030-0844	ND
2014-12-03	2706-021-1227	ND
2014-12-03	2706-015-0849	1.20 ppb
2014-12-03	2706-010-1127	ND
2014-12-04	2706-014-1218	ND