Chromium (hexavalent)

City of Defuniak Springs

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	0.176 ppb	10	6	ND - 0.460 ppb
2014	0.216 ppb	10	6	ND - 0.510 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	Result
2013-09-03	ND
2013-09-03	ND
2013-09-03	0.380 ppb
2013-09-03	ND
2013-09-03	0.460 ppb
2013-09-04	0.110 ppb
2013-09-04	ND
2013-09-04	0.410 ppb
2013-09-04	0.300 ppb
2013-10-08	0.1000 ppb
2014-02-18	0.500 ppb
2014-02-19	0.460 ppb
2014-02-19	0.130 ppb
2014-02-19	ND
2014-02-19	ND
2014-02-24	0.510 ppb
2014-02-24	ND
2014-02-24	0.490 ppb
2014-02-24	0.0700 ppb
2014-02-24	ND