Chromium (hexavalent)

Salt Lake City 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
2013	0.461 ppb	34	32	ND - 2.00 ppb
2014	0.234 ppb	3	3	0.0420 ppb - 0.340 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
2013-02-12	0.180 ppb
2013-02-12	0.460 ppb
2013-02-12	0.0500 ppb
2013-02-12	0.360 ppb
2013-02-12	0.200 ppb
2013-02-12	0.240 ppb
2013-05-14	0.120 ppb
2013-05-14	0.0750 ppb
2013-05-14	0.360 ppb
2013-05-14	0.0700 ppb
2013-05-14	0.0710 ppb
2013-06-04	0.570 ppb
2013-06-04	1.000 ppb
2013-06-18	1.10 ppb
2013-08-13	0.0780 ppb
2013-08-13	0.680 ppb
2013-08-13	0.150 ppb
2013-08-13	0.350 ppb
2013-08-13	0.280 ppb
2013-08-13	0.500 ppb
2013-08-13	0.710 ppb
2013-08-13	2.00 ppb
2013-08-13	0.680 ppb
2013-08-13	0.480 ppb
2013-08-13	1.30 ppb
2013-08-13	0.800 ppb
2013-08-13	1.10 ppb
2013-08-13	ND
2013-08-13	ND
2013-08-27	0.270 ppb
2013-08-27	0.390 ppb
2013-08-27	0.620 ppb
2013-12-06	0.290 ppb
2013-12-18	0.150 ppb
2014-01-06	0.0420 ppb
2014-01-06	0.320 ppb
2014-01-06	0.340 ppb