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EWG's Tap Water Database — 2021 UPDATE

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Chromium (hexavalent)

Chesterfield County Central Water 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).

MORE ABOUT THIS CONTAMINANT

 

24

Samples

0

Samples exceeding legal limit (MCL)

22

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.0992 ppb1817ND - 0.470 ppb
20150.0770 ppb65ND - 0.160 ppb
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
2014-04-02201404030305AM0.0760 ppb
2014-04-02201404030303AM0.130 ppb
2014-04-02201404030301AM0.0340 ppb
2014-04-02201404030307AM0.0750 ppb
2014-04-02201404030309AM0.0890 ppb
2014-04-02201404030311AM0.0760 ppb
2014-07-15201407160490AM0.470 ppb
2014-07-15201407160496AM0.0630 ppb
2014-07-15201407160498AM0.160 ppb
2014-07-15201407160488AM0.0410 ppb
2014-07-15201407160492AM0.0590 ppb
2014-07-15201407160494AM0.0590 ppb
2014-10-21201410220460AM0.220 ppb
2014-10-21201410220458AMND
2014-10-21201410220468AM0.0500 ppb
2014-10-21201410220464AM0.0590 ppb
2014-10-21201410220462AM0.0510 ppb
2014-10-21201410220466AM0.0730 ppb
2015-01-13201501140535AM0.0540 ppb
2015-01-13201501140529AMND
2015-01-13201501140539AM0.0560 ppb
2015-01-13201501140537AM0.140 ppb
2015-01-13201501140531AM0.160 ppb
2015-01-13201501140533AM0.0520 ppb