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EWG's Tap Water Database — 2019 UPDATE

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Chromium (hexavalent)

Pace Water System Inc.

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).

 

22

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
20130.0512 ppb118ND - 0.160 ppb
20140.102 ppb118ND - 0.430 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
2013-07-160.0310 ppb
2013-07-160.0520 ppb
2013-07-160.0360 ppb
2013-07-16ND
2013-07-160.120 ppb
2013-07-160.0530 ppb
2013-07-160.0710 ppb
2013-07-160.160 ppb
2013-07-16ND
2013-07-16ND
2013-07-160.0400 ppb
2014-01-220.430 ppb
2014-01-22ND
2014-01-220.0840 ppb
2014-01-220.0490 ppb
2014-01-22ND
2014-01-220.0810 ppb
2014-01-220.350 ppb
2014-01-220.0350 ppb
2014-01-220.0520 ppb
2014-01-22ND
2014-01-220.0360 ppb