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EWG's Tap Water Database — 2019 UPDATE

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Chromium (hexavalent)

Garden City Water and Sewer 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).

 

31

Samples

0

Samples exceeding legal limit (MCL)

13

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
20140.0279 ppb155ND - 0.180 ppb
20150.0311 ppb168ND - 0.0800 ppb
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
2014-09-15201409170709AMND
2014-09-15201409180263AM0.0610 ppb
2014-09-15201409180279AMND
2014-09-15201409180273AMND
2014-09-15201409180296AMND
2014-09-16201409180657AMND
2014-09-16201409180684AMND
2014-09-16201409180707AMND
2014-09-16201409180739AM0.180 ppb
2014-09-16201409180568AM0.0620 ppb
2014-09-16201409180737AMND
2014-09-16201409180566AMND
2014-09-16201409180699AMND
2014-09-16201409180561AM0.0690 ppb
2014-09-16201409180710AM0.0470 ppb
2015-03-18201503190635AM0.0640 ppb
2015-03-18201503190476AM0.0660 ppb
2015-03-18201503190545AMND
2015-03-18201503190589AM0.0670 ppb
2015-03-19201503200183AMND
2015-03-19201503200190AMND
2015-03-19201503200349AMND
2015-03-19201503200355AM0.0450 ppb
2015-03-19201503200107AMND
2015-03-19201503200357AM0.0800 ppb
2015-03-25201503260915AM0.0450 ppb
2015-03-25201503260618AMND
2015-03-26201503270333AM0.0730 ppb
2015-03-26201503270129AMND
2015-03-26201503280144AMND
2015-03-26201503280159AM0.0580 ppb