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EWG's Tap Water Database — 2019 UPDATE

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Manganese

City of Lathrop

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.

 

25

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201220.0 ppb1120.0 ppb
2013N/A00N/A
201415.6 ppb51ND - 78.0 ppb
20154.88 ppb81ND - 39.0 ppb
201612.7 ppb62ND - 41.0 ppb
20175.60 ppb51ND - 28.0 ppb

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
2012-11-205867-016-095820.0 ppb
2014-04-011610-016-0943ND
2014-04-011610-006-0920ND
2014-04-011610-005-0905ND
2014-06-031610-007-084378.0 ppb
2014-06-171610-008-0954ND
2015-07-079590-007-085439.0 ppb
2015-07-079590-019-0835ND
2015-08-049590-019-0813ND
2015-09-019590-019-0805ND
2015-10-069590-019-0743ND
2015-10-069590-007-0758ND
2015-11-039590-019-0825ND
2015-12-019590-019-0825ND
2016-01-059590-019-0747ND
2016-02-029590-019-0750ND
2016-02-029590-007-081435.0 ppb
2016-04-059590-019-0741ND
2016-05-039590-019-0739ND
2016-05-039590-007-075941.0 ppb
2017-04-039590-016-1105ND
2017-04-039590-005-1012ND
2017-04-039590-008-113028.0 ppb
2017-04-039590-007-0947ND
2017-04-039590-006-1033ND