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EWG's Tap Water Database — 2019 UPDATE

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Manganese

City of Wichita Falls

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.

 

14

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
20130.545 ppb21ND - 1.09 ppb
2014ND40ND
20150.675 ppb41ND - 2.70 ppb
2016ND20ND
2017ND20ND

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
2013-09-25Q13081440241.09 ppb
2013-09-25Q1308144022ND
2014-05-13Q1415816002ND
2014-08-14Q1436796021ND
2014-11-12AC71808ND
2014-11-12AC71809ND
2015-02-09Q1505019007ND
2015-02-09Q1505019006ND
2015-05-11Q15171930022.70 ppb
2015-09-22Q1537019002ND
2016-02-01Q1604190003ND
2016-02-01Q1604190002ND
2017-03-06Q1709227003ND
2017-08-07Q1733093007ND