Chromium (hexavalent)

Bella Vista Water District

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	0.398 ppb	6	6	0.356 ppb - 0.425 ppb
2014	0.196 ppb	14	5	ND - 1.30 ppb
2015	N/A	0	0	N/A
2016	N/A	0	0	N/A
2017	ND	5	0	ND
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
2013-05-09	13E0499-01A	0.368 ppb
2013-05-09	13E0499-02A	0.406 ppb
2013-08-12	13H0564-01A	0.409 ppb
2013-08-12	13H0564-02A	0.425 ppb
2013-11-05	13K0214-01A	0.356 ppb
2013-11-05	13K0214-02A	0.423 ppb
2014-02-18	14B0825-02A	0.512 ppb
2014-02-18	14B0825-01A	0.436 ppb
2014-06-05	14F0340-13A	0.243 ppb
2014-06-05	14F0340-11A	0.257 ppb
2014-06-05	14F0340-07A	ND
2014-06-05	14F0340-05A	ND
2014-06-06	14F0340-17A	ND
2014-06-06	14F0340-16A	ND
2014-06-06	14F0340-15A	ND
2014-12-30	1677-007-1130	ND
2014-12-30	1677-006-1320	ND
2014-12-30	1677-005-1435	ND
2014-12-30	1677-004-1200	1.30 ppb
2014-12-30	1677-003-1335	ND
2017-01-24	1677-007-1430	ND
2017-01-24	1677-006-1515	ND
2017-01-24	1677-005-1610	ND
2017-01-24	1677-004-1500	ND
2017-01-24	1677-003-1530	ND