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EWG's Tap Water Database — 2019 UPDATE

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Manganese

Waukesha Water Utility

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.

 

31

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
2013N/A00N/A
2014N/A00N/A
201536.8 ppb43ND - 76.0 ppb
2016N/A00N/A
201710.0 ppb2716ND - 58.0 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
2015-03-1084785063.0 ppb
2015-03-10847852ND
2015-03-118478548.00 ppb
2015-09-2988638176.0 ppb
2017-03-28980085ND
2017-03-2898007923.0 ppb
2017-03-2898008256.0 ppb
2017-05-02986365ND
2017-05-02986362ND
2017-05-3199453815.0 ppb
2017-05-3199454113.0 ppb
2017-06-15998674ND
2017-06-159986781.30 ppb
2017-06-159986751.90 ppb
2017-06-159986772.90 ppb
2017-06-159986763.30 ppb
2017-06-169986841.60 ppb
2017-06-1699868336.0 ppb
2017-06-1699867358.0 ppb
2017-06-169986791.10 ppb
2017-06-16998680ND
2017-06-16998682ND
2017-06-16998681ND
2017-06-16998672ND
2017-06-16998671ND
2017-06-2810012385.20 ppb
2017-07-181004918ND
2017-07-18100491728.0 ppb
2017-08-291014814ND
2017-08-2910148137.20 ppb
2017-08-31101536417.0 ppb