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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Lca Wlsa Central Division

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.

 

70

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND140ND
2015ND110ND
2016ND120ND
2017ND70ND
20180.225 ppb262ND - 3.19 ppb
2019N/A00N/A

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
2014-12-1014112843-01ND
2014-12-1014112846-01ND
2014-12-1114112838-01ND
2014-12-1114112840-01ND
2014-12-1114112839-01ND
2014-12-1114112837-01ND
2014-12-1114112842-01ND
2014-12-1114112844-01ND
2014-12-1114112845-01ND
2014-12-1114112850-01ND
2014-12-1714112847-01ND
2014-12-1714112849-01ND
2014-12-1714112848-01ND
2014-12-1714112841-01ND
2015-11-0513549736ND
2015-11-0513549741ND
2015-11-0513549751ND
2015-11-0513549746ND
2015-11-1213549787ND
2015-11-1213549815ND
2015-11-1213549808ND
2015-11-1213549801ND
2015-11-1213549794ND
2015-11-1213549780ND
2015-11-1913549822ND
2016-11-2215268554ND
2016-11-2215268542ND
2016-11-2215268523ND
2016-11-2215268547ND
2016-11-2215268530ND
2016-11-2215268537ND
2016-11-2315269141ND
2016-11-2315269148ND
2016-11-2315269134ND
2016-11-2315269127ND
2016-11-2315269120ND
2016-12-2015415794ND
2017-11-0917063752ND
2017-11-0917063768ND
2017-11-0917063756ND
2017-11-0917063764ND
2017-11-0917063772ND
2017-11-0917063760ND
2017-11-1317063746ND
2018-02-063865656ND
2018-05-073929385ND
2018-05-073929306ND
2018-05-073929919ND
2018-05-073929373ND
2018-05-0739299132.67 ppb
2018-05-073929379ND
2018-05-073929901ND
2018-05-073929907ND
2018-05-073930135ND
2018-05-073929391ND
2018-05-073929397ND
2018-08-064012789ND
2018-11-054111079ND
2018-11-054111003ND
2018-11-054111011ND
2018-11-0541110153.19 ppb
2018-11-054111007ND
2018-11-054111100ND
2018-11-054111096ND
2018-11-054111070ND
2018-11-054111092ND
2018-11-054111065ND
2018-11-128112819-01ND
2018-11-128112818-01ND
2018-11-134120779ND