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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Fair Lawn 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.

 

30

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
201463.6 ppb52ND - 188.0 ppb
2015ND80ND
2016ND10ND
20172.83 ppb41ND - 11.3 ppb
2018ND10ND
20191.68 ppb42ND - 5.40 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
2014-09-2329037-4130.0 ppb
2014-09-2329037-5ND
2014-09-2329037-3188.0 ppb
2014-09-2329037-2ND
2014-11-2530047-1ND
2015-03-2431836-2ND
2015-03-2431836-3ND
2015-04-28DWS326-1ND
2015-06-23DWS916-2ND
2015-06-23DWS916-3ND
2015-06-23DWS916-5ND
2015-06-23DWS916-4ND
2015-11-24DWSC828-2ND
2016-11-22DWSC2425-6ND
2017-09-267090827-03ND
2017-09-267090827-04ND
2017-09-267090827-0211.3 ppb
2017-11-287110919-01ND
2018-11-278110989-01ND
2019-11-1370111874005SEA11.30 ppb
2019-11-1370111874007SEA15.40 ppb
2019-11-1370111874006SEA1ND
2019-11-2619112628-001ND
2020-02-2870123446005SEA21.30 ppb
2020-02-2870123446006SEA220.9 ppb
2020-05-1470131225005SEA32.00 ppb
2020-05-1470131225007SEA313.6 ppb
2020-05-1470131225006SEA20.920 ppb
2020-08-1170141453005SEA44.90 ppb
2020-08-1170141453006SEA410.3 ppb