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EWG's Tap Water Database — 2019 UPDATE

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Manganese

La Habra Heights County Water District

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.

 

26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201261.0 ppb1161.0 ppb
2013ND50ND
2014ND50ND
20156.80 ppb51ND - 34.0 ppb
2016ND50ND
2017ND50ND

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
2012-08-132706-005-104561.0 ppb
2013-03-252706-005-0900ND
2013-04-252706-005-1120ND
2013-07-162706-005-1340ND
2013-10-282706-009-0955ND
2013-10-282706-005-1020ND
2014-01-089588-005-0938ND
2014-04-119588-010-0930ND
2014-04-119588-005-0955ND
2014-07-229588-005-0950ND
2014-12-129588-005-1059ND
2015-03-049588-005-0936ND
2015-04-309588-005-0935ND
2015-07-289588-005-0947ND
2015-09-169588-006-101034.0 ppb
2015-10-219588-005-0955ND
2016-03-219588-005-0920ND
2016-06-039588-005-1005ND
2016-07-139588-005-0907ND
2016-10-189588-009-0950ND
2016-10-189588-005-0959ND
2017-01-179588-005-0935ND
2017-04-149588-010-0928ND
2017-04-149588-005-0941ND
2017-07-199588-005-0915ND
2017-10-129588-005-0905ND