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EWG's Tap Water Database — 2019 UPDATE

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Chromium (hexavalent)

Joint Municipal WSC

NOTE: Joint Municipal WSC purchases water from City of West Columbia which is required to test for chromium (hexavalent). Sample information shown below was taken by City of West Columbia.

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).

 

16

Samples

0

Samples exceeding legal limit (MCL)

16

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
20130.151 ppb880.0960 ppb - 0.220 ppb
20140.114 ppb12120.0580 ppb - 0.170 ppb
2015N/A00N/A
2016N/A00N/A
2017N/A00N/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

NOTE: Joint Municipal WSC purchases water from City of West Columbia which is required to test for chromium (hexavalent). Sample information shown below was taken by City of West Columbia.

Date Lab ID Result
2013-10-29201310310123AM0.120 ppb
2013-10-29201310310125AM0.130 ppb
2013-10-29201310310127AM0.160 ppb
2013-10-29201310310104AM0.130 ppb
2014-01-27201401310072AM0.150 ppb
2014-01-27201401310090AM0.170 ppb
2014-01-27201401310078AM0.120 ppb
2014-02-25201402280328AM0.130 ppb
2014-04-28201405010501AM0.0800 ppb
2014-04-28201405010406AM0.1000 ppb
2014-04-28201405010427AM0.120 ppb
2014-04-28201405010478AM0.0580 ppb
2014-07-22201407240342AM0.0910 ppb
2014-07-22201407240425AM0.120 ppb
2014-07-22201407240347AM0.150 ppb
2014-07-22201407240502AM0.0760 ppb