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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Parsippany-Troy Hills Water Department

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.

MORE ABOUT THIS CONTAMINANT

 

63

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20144.92 ppb144ND - 37.3 ppb
2015ND20ND
2016ND20ND
20179.00 ppb133ND - 58.0 ppb
2018ND20ND
201912.2 ppb3017ND - 162.0 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
2014-03-05340307108ND
2014-09-04340905084ND
2014-09-174090565-03ND
2014-09-174090565-11ND
2014-09-174090565-12ND
2014-09-174090565-10ND
2014-09-174090565-0912.1 ppb
2014-09-174090565-0815.0 ppb
2014-09-174090565-07ND
2014-09-174090565-06ND
2014-09-174090565-05ND
2014-09-174090565-04ND
2014-09-174090565-0237.3 ppb
2014-09-174090565-014.41 ppb
2015-03-04350306072ND
2015-09-04350908114ND
2016-03-04360307087ND
2016-09-06360908055ND
2017-03-06370308158ND
2017-09-05370908090ND
2017-09-13370915021.258.0 ppb
2017-09-13370915030.2ND
2017-09-13370915029.2ND
2017-09-13370915028.2ND
2017-09-13370915027.251.0 ppb
2017-09-13370915026.2ND
2017-09-13370915025.2ND
2017-09-13370915024.2ND
2017-09-13370915023.2ND
2017-09-13370915022.2ND
2017-09-13370915020.28.00 ppb
2018-03-06380308135ND
2018-09-05380907183ND
2019-01-1541741758.03 ppb
2019-01-15417408310.8 ppb
2019-01-154174549ND
2019-01-1541746380.550 ppb
2019-01-1541742248.60 ppb
2019-01-154174179ND
2019-01-1541741412.49 ppb
2019-01-1541747242.74 ppb
2019-01-154174067ND
2019-01-154174630ND
2019-01-154174744ND
2019-03-06390307141ND
2019-03-2642388641.06 ppb
2019-04-0942549661.47 ppb
2019-04-09425489566.1 ppb
2019-07-094347885ND
2019-07-094347835ND
2019-07-0943478289.39 ppb
2019-07-094347727ND
2019-07-17435815320.8 ppb
2019-07-1743581070.833 ppb
2019-07-174358115162.0 ppb
2019-07-174358081ND
2019-07-244364149ND
2019-07-2443639951.04 ppb
2019-09-04390906122ND
2019-09-254435240ND
2019-09-2644368009.04 ppb
2019-10-09445092361.1 ppb
2019-10-0944510611.28 ppb