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EWG's Tap Water Database — 2019 UPDATE

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Manganese

City of Newport Beach

Manganese is a naturally occurring element that is common in food and drinking water. Excessive manganese exposures may impair children's attention, memory and intellectual capacity. Click here to read more about manganese.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND40ND
2013ND30ND
2014N/A00N/A
2015ND40ND
2016N/A00N/A
2017ND40ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 100 ppb

The EWG Health Guideline of 100 ppb for manganese was defined by the state of Minnesota as a health risk limit, the concentration of a contaminant that can be consumed with little or no risk to health. This health guideline protects against harm to the brain and nervous system.

ppb = parts per billion

All test results

Date Lab ID Result
2012-02-234417-004-0800ND
2012-03-274417-005-0850ND
2012-05-174417-002-0830ND
2012-05-244417-003-0900ND
2013-09-034417-005-1040ND
2013-09-034417-004-1050ND
2013-09-034417-003-1015ND
2015-03-024417-004-0815ND
2015-03-024417-005-0835ND
2015-05-044417-002-1050ND
2015-05-044417-003-1115ND
2017-02-094417-004-0950ND
2017-05-034417-003-1220ND
2017-05-034417-002-1235ND
2017-05-034417-005-1145ND