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EWG's Tap Water Database — 2019 UPDATE

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Chromium (hexavalent)

City of Grand Prairie

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).

 

40

Samples

0

Samples exceeding legal limit (MCL)

35

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
20130.199 ppb2018ND - 0.420 ppb
20140.160 ppb2017ND - 0.580 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

Date Lab ID Result
2013-07-1635100890013AMND
2013-07-1635100890007AM0.180 ppb
2013-07-1635100890003AM0.410 ppb
2013-07-1635100890027AM0.190 ppb
2013-07-1635100890019AM0.190 ppb
2013-07-1635100890011AM0.110 ppb
2013-07-1635100890023AM0.190 ppb
2013-07-1635100890001AM0.420 ppb
2013-07-1635100890021AM0.180 ppb
2013-07-1635100890015AMND
2013-07-1635100890017AM0.190 ppb
2013-07-1635100890029AM0.200 ppb
2013-07-1635100890009AM0.110 ppb
2013-07-1635100890005AM0.180 ppb
2013-07-1635100890025AM0.190 ppb
2013-07-1635100890031AM0.160 ppb
2013-10-0335111029007AM0.320 ppb
2013-10-0335111029003AM0.210 ppb
2013-10-0335111029001AM0.210 ppb
2013-10-0335111029005AM0.330 ppb
2014-01-1535123078031AM0.190 ppb
2014-01-1535123078029AM0.180 ppb
2014-01-1535123078023AM0.180 ppb
2014-01-1535123078021AMND
2014-01-1535123078017AM0.160 ppb
2014-01-1535123078003AM0.0460 ppb
2014-01-1535123078013AM0.180 ppb
2014-01-1535123078015AM0.190 ppb
2014-01-1535123078005AMND
2014-01-1535123078009AM0.160 ppb
2014-01-1535123078025AM0.170 ppb
2014-01-1535123078019AMND
2014-01-1535123078027AM0.190 ppb
2014-01-1535123078001AM0.170 ppb
2014-01-1535123078007AM0.180 ppb
2014-01-1535123078011AM0.180 ppb
2014-04-0335132919001AM0.380 ppb
2014-04-0335132919003AM0.580 ppb
2014-04-0335132919005AM0.0350 ppb
2014-04-0335132919007AM0.0330 ppb