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EWG's Tap Water Database — 2019 UPDATE

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Chromium (hexavalent)

City of Kerrville

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).

 

28

Samples

0

Samples exceeding legal limit (MCL)

7

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
20130.0118 ppb143ND - 0.0740 ppb
20140.0201 ppb144ND - 0.1000 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
2013-08-2635106170009AMND
2013-08-2635106170001AMND
2013-08-2635106170011AMND
2013-08-2635106170003AM0.0350 ppb
2013-08-2635106170007AMND
2013-08-2635106170005AMND
2013-08-2735106349011AMND
2013-08-2735106349003AMND
2013-08-2735106349005AM0.0560 ppb
2013-08-2735106349001AMND
2013-08-2735106349007AM0.0740 ppb
2013-08-2735106349009AMND
2013-11-1335115870001AMND
2013-11-1335115870003AMND
2014-02-1835127285001AMND
2014-02-1835127285007AMND
2014-02-1835127285011AMND
2014-02-1835127285005AMND
2014-02-1835127285009AMND
2014-02-1835127285003AMND
2014-02-1935127269005AM0.0820 ppb
2014-02-1935127269011AMND
2014-02-1935127269003AMND
2014-02-1935127269009AMND
2014-02-1935127269007AM0.1000 ppb
2014-02-1935127269001AMND
2014-05-2035139241003AM0.0420 ppb
2014-05-2035139241001AM0.0580 ppb