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EWG's Tap Water Database — 2021 UPDATE

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Chromium (hexavalent)

Southern Utilities

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

 

92

Samples

0

Samples exceeding legal limit (MCL)

25

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20130.0128 ppb9225ND - 0.0815 ppb
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/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
2013-02-253B28025-03ND
2013-02-253B28025-170.0650 ppb
2013-02-253B28025-10ND
2013-02-253B28025-160.0815 ppb
2013-02-253B28025-18ND
2013-02-253B28025-15ND
2013-02-253B28025-14ND
2013-02-253B28025-13ND
2013-02-253B28025-11ND
2013-02-253B28025-01ND
2013-02-253B28025-12ND
2013-02-253B28025-040.0493 ppb
2013-02-253B28025-06ND
2013-02-253B28025-09ND
2013-02-253B28025-08ND
2013-02-253B28025-07ND
2013-02-253B28025-050.0449 ppb
2013-02-253B25025-020.0770 ppb
2013-02-273C06029-01ND
2013-02-273C06029-02ND
2013-02-273C06029-070.0691 ppb
2013-02-273C06029-14ND
2013-02-273C06029-10ND
2013-02-273C06029-260.0344 ppb
2013-02-273C06029-270.0493 ppb
2013-02-283C06029-09ND
2013-02-283C06029-20ND
2013-02-283C06029-130.0412 ppb
2013-02-283C06029-08ND
2013-02-283C06029-03ND
2013-02-283C06029-05ND
2013-02-283C06029-060.0552 ppb
2013-02-283C06029-04ND
2013-02-283C06029-18ND
2013-02-283C06029-21ND
2013-02-283C06029-19ND
2013-02-283C06029-22ND
2013-02-283C06029-25ND
2013-02-283C06029-16ND
2013-02-283C06029-17ND
2013-02-283C06029-24ND
2013-02-283C06029-150.0344 ppb
2013-02-283C06029-120.0364 ppb
2013-02-283C06029-110.0381 ppb
2013-02-283C06029-23ND
2013-03-073C13022-01ND
2013-08-263H30017-37AND
2013-08-263H30017-46AND
2013-08-263H30017-45AND
2013-08-263H30017-26A0.0480 ppb
2013-08-263H30017-35AND
2013-08-263H30017-08A0.0370 ppb
2013-08-263H30017-24AND
2013-08-263H30017-36AND
2013-08-263H30017-42AND
2013-08-263H30017-25A0.0310 ppb
2013-08-263H30017-19AND
2013-08-263H30017-23A0.0380 ppb
2013-08-263H30017-10AND
2013-08-263H30017-09AND
2013-08-263H30017-22AND
2013-08-263H30017-02AND
2013-08-263H30017-03AND
2013-08-273H30017-11A0.0470 ppb
2013-08-273H30017-21AND
2013-08-273H30017-20A0.0440 ppb
2013-08-273H30017-06AND
2013-08-273H30017-04A0.0300 ppb
2013-08-273H30017-01AND
2013-08-273H30017-13A0.0610 ppb
2013-08-273H30017-28AND
2013-08-273H30017-14AND
2013-08-273H30017-30AND
2013-08-273H30017-16A0.0410 ppb
2013-08-273H30017-31A0.0310 ppb
2013-08-273H30017-44AND
2013-08-273H30017-07AND
2013-08-273H30017-29AND
2013-08-273H30017-12AND
2013-08-273H30017-34AND
2013-08-273H30017-05AND
2013-08-273H30017-15AND
2013-08-273H30017-17AND
2013-08-273H30017-27A0.0410 ppb
2013-08-273H30017-18AND
2013-08-273H30017-38AND
2013-08-273H30017-43AND
2013-08-273H30017-41AND
2013-08-273H30017-40AND
2013-08-273H30017-39AND
2013-08-273H30017-32AND
2013-08-273H30017-33A0.0500 ppb