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EWG's Tap Water Database — 2021 UPDATE

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Chromium (hexavalent)

City of Buena Park

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).

MORE ABOUT THIS CONTAMINANT

 

45

Samples

0

Samples exceeding legal limit (MCL)

22

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.351 ppb2519ND - 2.02 ppb
2014ND70ND
2015N/A00N/A
20160.425 ppb41ND - 1.70 ppb
20170.483 ppb62ND - 1.70 ppb
2018N/A00N/A
2019ND30ND

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
2013-01-0730100038021.15 ppb
2013-01-073010003810ND
2013-01-083010003806ND
2013-01-0830100038070.620 ppb
2013-01-0830100038150.120 ppb
2013-01-0830100039920.0900 ppb
2013-01-083010003809ND
2013-01-0830100038080.870 ppb
2013-03-0430100038110.110 ppb
2013-03-1830100039910.1000 ppb
2013-06-103010003811-20.0800 ppb
2013-06-243010003991-20.0600 ppb
2013-07-093010003808-20.930 ppb
2013-07-093010003810-2ND
2013-07-093010003992-20.350 ppb
2013-07-093010003816-22.02 ppb
2013-07-093010003802-21.17 ppb
2013-07-113010003809-2ND
2013-07-113010003806-2ND
2013-07-113010003807-20.580 ppb
2013-07-113010003815-20.120 ppb
2013-09-033010003811-30.0600 ppb
2013-09-163010003991-30.0600 ppb
2013-12-093010003811-40.0300 ppb
2013-12-163010003991-40.250 ppb
2014-04-224417-017-0905ND
2014-04-224417-016-1020ND
2014-04-224417-012-1100ND
2014-04-244417-009-1030ND
2014-04-244417-008-0930ND
2014-04-244417-007-1005ND
2014-04-244417-004-1100ND
2016-04-264417-004-1150ND
2016-04-264417-007-1115ND
2016-04-264417-009-1220ND
2016-07-194417-027-08551.70 ppb
2017-04-034417-027-08301.70 ppb
2017-04-064417-017-0815ND
2017-04-064417-016-09301.20 ppb
2017-04-064417-008-0850ND
2017-10-114417-017-0845ND
2017-10-114417-017-0830ND
2019-01-234417-007-0935ND
2019-01-234417-004-1010ND
2019-06-204417-009-1310ND