Chromium (hexavalent)

Cedar Falls Municipal Water Utilities

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	0.0899 ppb	16	6	ND - 0.351 ppb
2014	0.0824 ppb	16	11	ND - 0.381 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
2013-09-24	125908	0.338 ppb
2013-09-24	125906	ND
2013-09-24	125921	ND
2013-09-24	125902	ND
2013-09-24	125918	ND
2013-09-24	125912	0.0523 ppb
2013-09-24	125915	ND
2013-09-24	125924	0.313 ppb
2013-09-24	125903	ND
2013-09-24	125909	0.351 ppb
2013-09-24	125917	ND
2013-09-24	125920	ND
2013-09-24	125914	ND
2013-09-24	125923	0.327 ppb
2013-09-24	125905	ND
2013-09-24	125911	0.0563 ppb
2014-06-02	166810	0.381 ppb
2014-06-02	166801	0.325 ppb
2014-06-02	166811	0.0400 ppb
2014-06-02	166800	ND
2014-06-02	166802	0.0600 ppb
2014-06-02	166804	0.0330 ppb
2014-06-02	166805	0.0410 ppb
2014-06-02	166806	ND
2014-06-02	166807	ND
2014-06-02	166808	0.0910 ppb
2014-06-02	166809	0.170 ppb
2014-06-02	166796	0.0400 ppb
2014-06-02	166803	0.0420 ppb
2014-06-02	166798	ND
2014-06-02	166799	ND
2014-06-02	166797	0.0960 ppb