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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Lee County Utilities

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
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
20175.08 ppb51ND - 25.4 ppb
20180.200 ppb31ND - 0.600 ppb
20191.17 ppb84ND - 5.31 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 Result
2017-02-01ND
2017-03-02ND
2017-04-03ND
2017-04-03ND
2017-10-0525.4 ppb
2018-06-110.600 ppb
2018-07-09ND
2018-10-01ND
2019-01-070.500 ppb
2019-04-011.85 ppb
2019-07-085.31 ppb
2019-07-08ND
2019-07-08ND
2019-07-08ND
2019-07-23ND
2019-10-071.66 ppb