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EWG's Tap Water Database — 2021 UPDATE

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Manganese

South Tahoe PUD - Main

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.

MORE ABOUT THIS CONTAMINANT

 

73

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND120ND
2015ND120ND
2016ND60ND
2017ND10ND
2018ND70ND
20191.09 ppb3514ND - 14.0 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
2014-06-189590-023-1131ND
2014-06-189590-042-1223ND
2014-06-189590-050-1006ND
2014-06-189590-058-0852ND
2014-06-189590-060-1225ND
2014-06-209590-036-1606ND
2014-07-169590-057-0947ND
2014-07-169590-012-1055ND
2014-07-169590-052-1030ND
2014-07-169590-054-1123ND
2014-08-209590-016-1241ND
2014-08-209590-006-0953ND
2015-06-249590-036-0938ND
2015-06-249590-042-0820ND
2015-06-249590-023-0920ND
2015-06-249590-050-0905ND
2015-06-249590-058-0820ND
2015-06-249590-060-0850ND
2015-07-229590-052-0921ND
2015-07-229590-057-0836ND
2015-07-229590-054-0853ND
2015-07-229590-012-0951ND
2015-08-049590-006-0922ND
2015-08-049590-016-1028ND
2016-07-209590-052-0949ND
2016-07-209590-054-0950ND
2016-07-209590-012-0906ND
2016-07-209590-057-0830ND
2016-08-249590-006-0917ND
2016-08-249590-016-0923ND
2017-07-119590-053-1215ND
2018-06-059590-060-1318ND
2018-06-129590-006-1011ND
2018-07-189590-057-1023ND
2018-07-189590-054-1122ND
2018-07-189590-058-0948ND
2018-07-189590-050-1013ND
2018-07-189590-036-0910ND
2019-01-022019010303970.590 ppb
2019-01-022019010303980.570 ppb
2019-01-022019010303953.60 ppb
2019-01-02201901030396ND
2019-01-09201901100252ND
2019-01-092019011002540.700 ppb
2019-01-092019011002530.520 ppb
2019-01-092019011002552.60 ppb
2019-01-10201901110333ND
2019-01-10201901110332ND
2019-01-2920190131018314.0 ppb
2019-01-29201901310180ND
2019-01-292019013101821.10 ppb
2019-01-292019013101813.70 ppb
2019-04-022019040303240.500 ppb
2019-06-189590-012-1000ND
2019-06-189590-060-1035ND
2019-06-189590-016-1319ND
2019-06-189590-042-0933ND
2019-07-109590-036-1549ND
2019-07-16201907180187ND
2019-07-16201907180191ND
2019-07-16201907180188ND
2019-07-162019071801952.60 ppb
2019-07-162019071801941.000 ppb
2019-07-162019071801891.60 ppb
2019-07-162019071801905.20 ppb
2019-07-16201907180193ND
2019-07-16201907180192ND
2019-08-079590-058-1030ND
2019-08-079590-054-1135ND
2019-08-079590-050-1108ND
2019-08-209590-052-0934ND
2019-08-209590-023-1000ND
2019-10-229590-057-0937ND