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EWG's Tap Water Database — 2019 UPDATE

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Chromium (hexavalent)

Naval Station, Newport

NOTE: Naval Station, Newport purchases water from City of Newport which is required to test for chromium (hexavalent). Sample information shown below was taken by City of Newport.

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)

12

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
20130.150 ppb220.120 ppb - 0.180 ppb
20140.0497 ppb1612ND - 0.110 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

NOTE: Naval Station, Newport purchases water from City of Newport which is required to test for chromium (hexavalent). Sample information shown below was taken by City of Newport.

Date Lab ID Result
2013-04-241301163-11_WL51ND
2013-04-241301163-01_WL51ND
2013-04-241301163-07_WL51ND
2013-04-241301163-08_WL51ND
2013-04-241301163-06_WL51ND
2013-04-241301163-02_WL51ND
2013-04-241301163-04_WL51ND
2013-04-241301163-03_WL51ND
2013-04-241301163-05_WL51ND
2013-04-241301163-14_WL51ND
2013-04-241301163-13_WL51ND
2013-04-241301163-12_WL51ND
2014-03-10201403120364AM0.0460 ppb
2014-03-10201403120546AM0.0720 ppb
2014-03-10201403120571AM0.0620 ppb
2014-03-10201403120338AM0.0320 ppb
2014-06-16201406180459AM0.110 ppb
2014-06-16201406180472AM0.0960 ppb
2014-06-16201406180453AM0.0470 ppb
2014-06-16201406180279AM0.0960 ppb
2014-09-15201409180291AM0.0540 ppb
2014-09-15201409170838AM0.0580 ppb
2014-09-15201409170836AM0.0870 ppb
2014-09-15201409180267AM0.0350 ppb
2014-12-02201412040475AMND
2014-12-02201412050327AMND
2014-12-02201412040311AMND
2014-12-02201412040473AMND