Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Manganese

United Water NJ

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.

 

58

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND70ND
20151.43 ppb71ND - 10.00 ppb
20168.57 ppb76ND - 10.00 ppb
20171.43 ppb71ND - 10.00 ppb
2018ND70ND
20193.92 ppb2313ND - 37.7 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
2014-07-08380759MNND
2014-07-10380982MNND
2014-07-10380978MNND
2014-07-10380975MNND
2014-07-10380997MNND
2014-07-10380890ND
2014-07-11381064ND
2015-07-02402065SECND
2015-07-10402611SECND
2015-08-11404712MNND
2015-08-12404776MNND
2015-08-13404899MN10.00 ppb
2015-08-13404895MNND
2015-08-14405006MNND
2016-05-12421109SECND
2016-07-07424378SEC10.00 ppb
2016-09-13428990MN10.00 ppb
2016-09-15429189MN10.00 ppb
2016-09-15429186MN10.00 ppb
2016-09-15429197MN10.00 ppb
2016-09-15429193MN10.00 ppb
2017-07-05447401SEC10.00 ppb
2017-07-21448708SECND
2017-08-01449380MNND
2017-08-03449585MNND
2017-08-03449589MNND
2017-08-03449578MNND
2017-08-03449581MNND
2018-07-1018071004-03SECND
2018-07-2518072524-01SECND
2018-08-0218073118-04MNND
2018-08-0718080628-11MNND
2018-08-1718081005-15MNND
2018-08-1718081005-11MNND
2018-08-1718081005-07MNND
2019-01-0341641541.14 ppb
2019-01-0341641797.29 ppb
2019-01-0341641750.650 ppb
2019-01-084168332ND
2019-02-2019022001-01SECND
2019-04-0142446971.29 ppb
2019-04-034248059ND
2019-04-03424767215.2 ppb
2019-04-0419040421-01SECND
2019-07-0143412420.840 ppb
2019-07-0343460579.58 ppb
2019-07-0943479370.504 ppb
2019-07-10434933337.7 ppb
2019-08-0819080621-09MNND
2019-08-0819080621-04MNND
2019-08-0819080621-06MNND
2019-08-0819080621-14MNND
2019-08-0919080622-19MNND
2019-08-0919080622-14MNND
2019-10-0244437141.67 ppb
2019-10-02444357810.2 ppb
2019-10-0344450402.63 ppb
2019-10-1644577021.55 ppb