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EWG's Tap Water Database — 2019 UPDATE

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Chromium (hexavalent)

Greenville 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).

 

16

Samples

0

Samples exceeding legal limit (MCL)

16

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
20140.0512 ppb16160.0350 ppb - 0.0640 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 Lab ID Result
2014-01-13201401150374AM0.0410 ppb
2014-01-13201401150562AM0.0350 ppb
2014-01-13201401150361AM0.0520 ppb
2014-01-13201401150570AM0.0570 ppb
2014-04-15201404170278AM0.0460 ppb
2014-04-15201404170438AM0.0450 ppb
2014-04-15201404170319AM0.0600 ppb
2014-04-15201404170302AM0.0640 ppb
2014-07-14201407160628AM0.0550 ppb
2014-07-14201407160598AM0.0580 ppb
2014-07-14201407160641AM0.0540 ppb
2014-07-14201407160555AM0.0400 ppb
2014-10-13201410150270AM0.0560 ppb
2014-10-13201410150202AM0.0500 ppb
2014-10-13201410150130AM0.0500 ppb
2014-10-13201410150258AM0.0560 ppb