Chromium (hexavalent)

Carolina Beach Water System

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	ND	14	0	ND
2015	0.00250 ppb	16	1	ND - 0.0400 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
2014-12-03	3149049	ND
2014-12-03	3149484	ND
2014-12-03	3149478	ND
2014-12-03	3148922	ND
2014-12-03	3149469	ND
2014-12-03	3149372	ND
2014-12-03	3149030	ND
2014-12-03	3149028	ND
2014-12-03	3148976	ND
2014-12-03	3149023	ND
2014-12-03	3149447	ND
2014-12-03	3148932	ND
2014-12-03	3148902	ND
2014-12-03	3149416	ND
2015-05-20	3247332	ND
2015-05-20	3247137	ND
2015-05-20	3247109	ND
2015-05-20	3247363	ND
2015-05-20	3247191	ND
2015-05-20	3247121	ND
2015-05-20	3247307	ND
2015-05-20	3247129	ND
2015-05-20	3247071	ND
2015-05-20	3247079	ND
2015-05-20	3247344	ND
2015-05-20	3247133	ND
2015-05-20	3247201	ND
2015-05-20	3247062	ND
2015-05-20	3247380	ND
2015-05-20	3247168	0.0400 ppb