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EWG's Tap Water Database — 2019 UPDATE

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Selenium

Marine Corps Base Hawaii

NOTE: Marine Corps Base Hawaii purchases water from Honolulu-Windward-Pearl Harbor which is required to test for selenium. Sample information shown below was taken by Honolulu-Windward-Pearl Harbor.

Selenium is an essential element in diets. But too much selenium can decrease thyroid hormone production and cause hair loss, skin lesions and brittle fingernails.

 

128

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND40ND
2013ND130ND
20140.129 ppb491ND - 6.30 ppb
2015ND70ND
2016ND30ND
20170.154 ppb521ND - 8.00 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 30 ppb

The EWG Health Guideline of 30 ppb for selenium 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 hair loss and nail damage.

EPA Maximum Contaminant
Level (MCL) 50 ppb

The legal limit for selenium, established in 1991, was based on human epidemiological studies of populations exposed to naturally occurring selenium in drinking water. This limit does not include any additional consideration of children’s health.

ppb = parts per billion

All test results

NOTE: Marine Corps Base Hawaii purchases water from Honolulu-Windward-Pearl Harbor which is required to test for selenium. Sample information shown below was taken by Honolulu-Windward-Pearl Harbor.

Date Lab ID Result
2012-03-28201204020020ND
2012-06-18201206200496ND
2012-06-20201206210297ND
2012-11-05201211070127ND
2013-02-19201302210752ND
2013-02-20201302230026ND
2013-03-27201303290320ND
2013-04-17201304190394ND
2013-04-17201304190398ND
2013-04-23201304250517ND
2013-05-08201305100445ND
2013-06-04201306060273ND
2013-07-10201307130049ND
2013-07-31201308020180ND
2013-08-05201308071008ND
2013-08-12201308150011ND
2013-11-04201311060872ND
2014-04-01201404030466ND
2014-04-01201404030467ND
2014-04-01201404030468ND
2014-04-01201404030469ND
2014-04-02201404040550ND
2014-04-02201404040551ND
2014-04-02201404040552ND
2014-04-02201404040553ND
2014-04-02201404040554ND
2014-04-04201404080620ND
2014-04-04201404080621ND
2014-04-07201404090482ND
2014-04-07201404090483ND
2014-04-07201404090484ND
2014-04-07201404090485ND
2014-04-08201404100546ND
2014-04-08201404100547ND
2014-04-08201404100549ND
2014-04-08201404100550ND
2014-04-08201404100551ND
2014-04-09201404120256ND
2014-04-09201404120257ND
2014-04-09201404120258ND
2014-04-11201404150363ND
2014-04-14201404160551ND
2014-04-14201404160552ND
2014-04-14201404160553ND
2014-04-14201404160554ND
2014-04-14201404160555ND
2014-04-14201404160556ND
2014-04-15201404170340ND
2014-04-15201404170341ND
2014-04-15201404170342ND
2014-04-15201404170344ND
2014-04-16201404180401ND
2014-04-16201404180402ND
2014-04-16201404180403ND
2014-04-16201404180404ND
2014-04-16201404180405ND
2014-04-16201404180406ND
2014-04-21201404230599ND
2014-04-22201404240273ND
2014-04-22201404240274ND
2014-04-23201404250201ND
2014-04-23201404250202ND
2014-04-28201404300621ND
2014-05-062014050803766.30 ppb
2014-07-21201407230644ND
2014-08-19201408220168ND
2015-02-09201502110395ND
2015-02-10201502120276ND
2015-05-04201505060108ND
2015-05-27201505290083ND
2015-08-18201508200479ND
2015-10-19201510140073ND
2015-12-28201512180363ND
2016-02-09ND
2016-05-02ND
2016-10-28ND
2017-02-14ND
2017-04-03ND
2017-04-03ND
2017-04-05ND
2017-04-05ND
2017-04-11ND
2017-04-11ND
2017-04-11ND
2017-04-11ND
2017-04-17ND
2017-04-17ND
2017-04-18ND
2017-04-18ND
2017-04-19ND
2017-04-19ND
2017-04-19ND
2017-04-19ND
2017-04-19ND
2017-04-19ND
2017-04-20ND
2017-04-26ND
2017-05-01ND
2017-05-01ND
2017-05-02ND
2017-05-03ND
2017-05-03ND
2017-05-03ND
2017-05-03ND
2017-05-038.00 ppb
2017-05-04ND
2017-05-09ND
2017-05-09ND
2017-05-09ND
2017-05-10ND
2017-05-10ND
2017-05-11ND
2017-05-16ND
2017-05-16ND
2017-05-17ND
2017-05-22ND
2017-05-22ND
2017-05-22ND
2017-05-22ND
2017-05-22ND
2017-05-23ND
2017-05-23ND
2017-05-24ND
2017-05-30ND
2017-06-05ND
2017-06-06ND
2017-06-07ND
2017-06-13ND