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EWG's Tap Water Database — 2019 UPDATE

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Manganese

City of Liberal

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
20133.58 ppb82ND - 20.0 ppb
2014N/A00N/A
2015N/A00N/A
20160.325 ppb81ND - 2.60 ppb
2017N/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
2013-03-19593642WSND
2013-03-19593645WS20.0 ppb
2013-03-19593644WS8.60 ppb
2013-03-19593643WSND
2013-03-19593646WSND
2013-03-19593641WSND
2013-03-19593640WSND
2013-03-19593639WSND
2016-02-22497284ND
2016-02-22497288ND
2016-02-22497285ND
2016-02-22497287ND
2016-02-22497289ND
2016-02-22497286ND
2016-02-22497282ND
2016-02-224972832.60 ppb