Chromium (hexavalent)

White Plains City

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	0.0479 ppb	18	15	ND - 0.140 ppb
2015	0.0302 ppb	6	4	ND - 0.0620 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
2014-05-13	201405140516AM	0.0370 ppb
2014-05-13	201405140523AM	0.0370 ppb
2014-05-13	201405140541AM	0.0550 ppb
2014-05-13	201405140448AM	0.110 ppb
2014-05-13	201405140503AM	0.0490 ppb
2014-05-13	201405140702AM	0.0370 ppb
2014-08-06	201408070509AM	0.0370 ppb
2014-08-06	201408070515AM	0.0390 ppb
2014-08-06	201408070519AM	0.0390 ppb
2014-08-06	201408070365AM	0.0520 ppb
2014-08-19	201408210388AM	0.0770 ppb
2014-08-19	201408210403AM	0.0550 ppb
2014-11-05	201411060232AM	ND
2014-11-05	201411060475AM	0.140 ppb
2014-11-05	201411060473AM	0.0530 ppb
2014-11-05	201411060325AM	ND
2014-11-05	201411060477AM	0.0450 ppb
2014-11-05	201411060404AM	ND
2015-02-04	201502060241AM	ND
2015-02-04	201502050498AM	0.0310 ppb
2015-02-04	201502060222AM	0.0480 ppb
2015-02-04	201502050722AM	0.0620 ppb
2015-02-04	201502050532AM	0.0400 ppb
2015-02-04	201502060224AM	ND