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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Sfpuc-pleasanton Wells

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND30ND
2015ND30ND
2016ND30ND
2017ND30ND
2018ND30ND
2019ND30ND

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
2014-06-179553-007-1205ND
2014-06-179553-004-1141ND
2014-06-249553-005-0930ND
2015-05-279553-004-1140ND
2015-05-279553-005-1120ND
2015-05-279553-007-1025ND
2016-06-149553-004-1050ND
2016-06-149553-007-0925ND
2016-06-149553-005-1120ND
2017-06-199553-005-1015ND
2017-06-199553-007-0840ND
2017-06-199553-004-0955ND
2018-06-189553-005-1151ND
2018-06-189553-007-1235ND
2018-06-189553-004-1217ND
2019-06-179553-005-0900ND
2019-06-179553-007-0925ND
2019-06-269553-004-1235ND