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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Moore

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

 

55

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
20192.67 ppb2916ND - 39.8 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
2019-07-10BG11105-04GND
2019-07-10BG11105-01G1.15 ppb
2019-07-10BG11105-03G9.94 ppb
2019-07-10BG11105-02G39.8 ppb
2019-08-07BH08042-01GND
2019-08-07BH08042-02GND
2019-08-07BH08042-03GND
2019-08-07BH08042-04G1.21 ppb
2019-08-07BH08042-05GND
2019-08-07BH08042-06GND
2019-09-11BI12114-05GND
2019-09-11BI12114-13GND
2019-09-11BI12114-04G1.29 ppb
2019-09-11BI12114-03G2.17 ppb
2019-09-11BI12114-10GND
2019-09-11BI12114-02G14.6 ppb
2019-09-11BI12114-11GND
2019-09-11BI12114-01G1.39 ppb
2019-09-11BI12114-12GND
2019-09-11BI12114-06G0.426 ppb
2019-09-11BI12114-09G0.711 ppb
2019-09-11BI12114-08G0.769 ppb
2019-09-13BI16017-06GND
2019-09-13BI16017-01G0.683 ppb
2019-09-13BI16017-02G0.734 ppb
2019-09-13BI16017-03G1.73 ppb
2019-09-13BI16017-04G0.479 ppb
2019-09-13BI16017-05G0.467 ppb
2019-12-05BL05102-01GND
2020-01-08CA09088-01MND
2020-01-08CA09088-10G1.70 ppb
2020-01-08CA09088-09GND
2020-01-08CA09088-02G0.562 ppb
2020-01-08CA09088-03G0.570 ppb
2020-01-08CA09088-04G0.880 ppb
2020-01-08CA09088-05G1.41 ppb
2020-01-08CA09088-06GND
2020-01-08CA09088-07G0.550 ppb
2020-01-08CA09088-08G0.597 ppb
2020-01-08CA09088-11G15.2 ppb
2020-02-03CB05034-04G5.57 ppb
2020-03-01CC02022-04GND
2020-03-01CC02022-05GND
2020-03-01CC02022-03G0.603 ppb
2020-03-01CC02022-02G7.01 ppb
2020-03-01CC02022-01G10.3 ppb
2020-04-09CD09048-07GND
2020-04-09CD09048-01AND
2020-04-09CD09048-04G3.60 ppb
2020-04-09CD09048-02G0.686 ppb
2020-04-09CD09048-03GND
2020-04-09CD09048-05G37.1 ppb
2020-04-09CD09048-06G6.35 ppb
2020-04-09CD09048-08GND
2020-06-02CF04032-01GND