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EWG's Tap Water Database — 2019 UPDATE

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Manganese

Groveland Manor

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.

 

36

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND120ND
2013ND120ND
2014ND120ND
2015N/A00N/A
2016N/A00N/A
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
2012-01-12LLE14702ND
2012-02-14LLE17334ND
2012-03-15LLE20200ND
2012-04-13LLE23455ND
2012-05-18LLE28417ND
2012-06-12LLE31527ND
2012-07-11LLE36423ND
2012-08-15LLE43145ND
2012-09-14LLE48453ND
2012-10-10LLE52087ND
2012-11-12LLE55452ND
2012-12-14LLE58690ND
2013-01-04LLE60275ND
2013-02-15LLE64334ND
2013-03-14LLE66823ND
2013-04-11LLE69666ND
2013-05-07LLE72812ND
2013-06-12LLE78063ND
2013-07-12LLE82906ND
2013-08-12LLE87934ND
2013-09-09LLE92290ND
2013-10-16LLE98045ND
2013-11-13LLF01364ND
2013-12-06LLF03971ND
2014-01-16LLF07272ND
2014-02-07LLF08998ND
2014-03-13LLF11800ND
2014-04-09LLF14277ND
2014-05-02LLF16683ND
2014-06-12LLF22550ND
2014-07-16LLF27779ND
2014-08-14LLF33172ND
2014-09-10LLF37753ND
2014-10-06LLF42218ND
2014-11-11LLF46021ND
2014-12-08LLF48786ND