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EWG's Tap Water Database — 2019 UPDATE

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Chromium (hexavalent)

University of Kansas

NOTE: University of Kansas purchases water from City of Lawrence which is required to test for chromium (hexavalent). Sample information shown below was taken by City of Lawrence.

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).

 

25

Samples

0

Samples exceeding legal limit (MCL)

25

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
20131.16 ppb660.450 ppb - 1.50 ppb
20140.975 ppb220.350 ppb - 1.60 ppb
20151.19 ppb660.110 ppb - 2.60 ppb
20160.150 ppb110.150 ppb
20170.955 ppb220.210 ppb - 1.70 ppb

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: University of Kansas purchases water from City of Lawrence which is required to test for chromium (hexavalent). Sample information shown below was taken by City of Lawrence.

Date Lab ID Result
2013-05-1328244992.20 ppb
2013-05-1328245060.300 ppb
2013-05-1328244662.20 ppb
2013-05-1328245120.300 ppb
2013-08-1428774160.330 ppb
2013-08-1428773890.330 ppb
2013-08-1428774042.10 ppb
2013-08-1428774282.20 ppb
2013-11-1329303270.0900 ppb
2013-11-1329302662.10 ppb
2013-11-1329302602.30 ppb
2013-11-1329303210.1000 ppb
2014-02-1229729470.170 ppb
2014-02-1229729320.150 ppb
2014-02-1229730152.10 ppb
2014-02-1229729192.00 ppb
2015-02-04FEB-15-GENCHEM2.10 ppb
2015-02-04FEB2015-GENCHEM0.130 ppb
2015-05-06MAY2015-GENCHEM0.120 ppb
2015-05-06MAY-15-GENCHEM2.10 ppb
2015-11-03NOV-15-GENCHEM2.60 ppb
2015-11-03NOV2015-GENCHEM0.110 ppb
2016-05-04MAY2016-GENCHEM0.150 ppb
2017-05-092017-05-09-GEN0.210 ppb
2017-11-212017-12-21-GEN1.70 ppb