Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Chromium (hexavalent)

City of Alexandria

NOTE: City of Alexandria purchases water from Fairfax County Water Authority which is required to test for chromium (hexavalent). Sample information shown below was taken by Fairfax County Water Authority.

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).

 

32

Samples

0

Samples exceeding legal limit (MCL)

32

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.0880 ppb440.0750 ppb - 0.110 ppb
20130.112 ppb14140.0860 ppb - 0.180 ppb
20140.0950 ppb660.0700 ppb - 0.110 ppb
20150.0750 ppb220.0700 ppb - 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

NOTE: City of Alexandria purchases water from Fairfax County Water Authority which is required to test for chromium (hexavalent). Sample information shown below was taken by Fairfax County Water Authority.

Date Lab ID Result
2012-03-13201203160180-MET0.0750 ppb
2012-03-13201203160182-MET0.0750 ppb
2012-06-11201206140085-MET0.110 ppb
2012-06-11201206140088-MET0.0920 ppb
2013-07-17201307180828AM0.0860 ppb
2013-07-17201307180824AM0.0900 ppb
2013-07-17201307180801AM0.120 ppb
2013-07-17201307180799AM0.170 ppb
2013-07-17201307180822AM0.0960 ppb
2013-07-17201307180811AM0.0930 ppb
2013-07-17201307180820AM0.0960 ppb
2013-10-15201310160200AM0.1000 ppb
2013-10-15201310160208AM0.0960 ppb
2013-10-15201310160176AM0.0880 ppb
2013-10-15201310160210AM0.130 ppb
2013-10-15201310160240AM0.130 ppb
2013-10-15201310160171AM0.0940 ppb
2013-10-15201310160246AM0.180 ppb
2014-01-13201401140199AM0.0820 ppb
2014-01-13201401150723AM0.0840 ppb
2014-01-13201401150621AM0.0830 ppb
2014-01-13201401150357AM0.0840 ppb
2014-01-13201401150380AM0.1000 ppb
2014-01-13201401140197AM0.0660 ppb
2014-01-14201401150684AM0.0880 ppb
2014-04-14201404150283AM0.0950 ppb
2014-04-14201404150254AM0.140 ppb
2014-04-14201404150219AM0.0860 ppb
2014-04-14201404150281AM0.160 ppb
2014-04-14201404150439AM0.0810 ppb
2014-04-14201404150405AM0.0850 ppb
2014-04-14201404150441AM0.0860 ppb