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EWG's Tap Water Database — 2019 UPDATE

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Manganese

Wilson County Rural Water District 1

NOTE: Wilson County Rural Water District 1 purchases water from Public Wholesale Water Supply District 23 which is required to test for manganese. Sample information shown below was taken by Public Wholesale Water Supply District 23.

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20121.000 ppb111.000 ppb
20131.80 ppb111.80 ppb
20147.70 ppb117.70 ppb
201533.0 ppb1133.0 ppb
2016ND10ND
201717.0 ppb1117.0 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

NOTE: Wilson County Rural Water District 1 purchases water from Public Wholesale Water Supply District 23 which is required to test for manganese. Sample information shown below was taken by Public Wholesale Water Supply District 23.

Date Lab ID Result
2012-02-21575646WS1.000 ppb
2013-03-05592967WS1.80 ppb
2014-02-24661037.70 ppb
2015-02-1628036933.0 ppb
2016-02-24497954ND
2017-02-2071163217.0 ppb