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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Quartz Hill Water District

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

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND50ND
2015ND40ND
2016ND20ND
2017ND30ND
2018ND40ND
2019ND20ND

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
2014-05-133761-021-0735ND
2014-10-213761-015-0833ND
2014-10-213761-012-0722ND
2014-10-213761-009-0800ND
2014-10-213761-005-0700ND
2015-08-183761-021-0730ND
2015-08-183761-016-0740ND
2015-08-183761-018-0710ND
2015-08-183761-017-0800ND
2016-08-163761-006-0745ND
2016-08-163761-012-0800ND
2017-08-153761-015-0650ND
2017-08-153761-009-0705ND
2017-08-153761-005-0715ND
2018-08-143761-016-0730ND
2018-08-143761-018-0820ND
2018-08-143761-021-0710ND
2018-08-143761-017-0800ND
2019-08-133761-012-0655ND
2019-08-133761-006-0715ND
2020-03-100C11051-012.10 ppb
2020-03-100C11051-044.00 ppb
2020-03-100C11051-030.420 ppb
2020-03-100C11051-02ND
2020-06-090F11042-011.10 ppb
2020-09-080I10052-03ND
2020-09-080I10052-015.10 ppb
2020-09-080I10052-02ND
2020-09-080I10052-040.660 ppb
2020-12-080L09014-012.60 ppb