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EWG's Tap Water Database — 2019 UPDATE

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Chromium (hexavalent)

Gadsden County Regional WS

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).

 

36

Samples

0

Samples exceeding legal limit (MCL)

19

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
20130.386 ppb1810ND - 1.80 ppb
20140.449 ppb189ND - 1.80 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 Result
2013-10-07ND
2013-10-070.0300 ppb
2013-10-07ND
2013-10-070.0540 ppb
2013-10-090.860 ppb
2013-10-090.0490 ppb
2013-10-09ND
2013-10-090.300 ppb
2013-10-091.80 ppb
2013-10-09ND
2013-10-090.310 ppb
2013-10-091.70 ppb
2013-10-091.80 ppb
2013-10-14ND
2013-10-14ND
2013-10-14ND
2013-10-140.0530 ppb
2013-10-14ND
2014-04-020.790 ppb
2014-04-02ND
2014-04-02ND
2014-04-091.70 ppb
2014-04-09ND
2014-04-091.80 ppb
2014-04-09ND
2014-04-090.280 ppb
2014-04-090.0680 ppb
2014-04-091.70 ppb
2014-04-14ND
2014-04-141.40 ppb
2014-04-14ND
2014-04-15ND
2014-04-15ND
2014-04-150.0470 ppb
2014-04-15ND
2014-04-150.290 ppb