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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Maywood Mutual Water Company #1

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

 

188

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201449.8 ppb2421ND - 88.0 ppb
201551.8 ppb1716ND - 150.0 ppb
201648.6 ppb161620.0 ppb - 92.0 ppb
201733.4 ppb108ND - 78.0 ppb
201847.3 ppb121230.0 ppb - 82.0 ppb
201938.1 ppb10959ND - 93.0 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
2014-01-063761-002-121078.0 ppb
2014-01-063761-003-105484.0 ppb
2014-03-033761-002-101322.0 ppb
2014-03-103761-002-103225.0 ppb
2014-03-219588-002-131526.0 ppb
2014-04-073761-002-084235.0 ppb
2014-04-219588-002-101659.0 ppb
2014-05-053761-002-095034.0 ppb
2014-06-023761-002-090334.0 ppb
2014-06-259588-003-090564.0 ppb
2014-07-073761-002-111633.0 ppb
2014-07-073761-003-084074.0 ppb
2014-07-179588-002-112358.0 ppb
2014-07-179588-003-104583.0 ppb
2014-08-043761-002-085040.0 ppb
2014-08-043761-003-102275.0 ppb
2014-09-013761-002-100041.0 ppb
2014-09-013761-003-091680.0 ppb
2014-10-063761-002-1034ND
2014-10-063761-003-083477.0 ppb
2014-12-013761-002-1037ND
2014-12-013761-003-110488.0 ppb
2014-12-119588-002-1005ND
2014-12-119588-003-102386.0 ppb
2015-01-053761-002-103627.0 ppb
2015-01-053761-003-093084.0 ppb
2015-02-023761-003-091876.0 ppb
2015-03-023761-002-104839.0 ppb
2015-03-023761-003-092776.0 ppb
2015-03-269588-002-1025140.0 ppb
2015-04-063761-002-101625.0 ppb
2015-04-169588-002-111841.0 ppb
2015-06-013761-002-092725.0 ppb
2015-07-063761-002-104424.0 ppb
2015-07-239588-002-093535.0 ppb
2015-08-033761-002-094828.0 ppb
2015-09-083761-002-094532.0 ppb
2015-10-053761-002-1012ND
2015-10-239588-002-0948150.0 ppb
2015-11-023761-002-110051.0 ppb
2015-12-073761-002-101727.0 ppb
2016-01-043761-002-104537.0 ppb
2016-02-013761-002-094322.0 ppb
2016-02-059588-002-103654.0 ppb
2016-02-059588-003-095592.0 ppb
2016-03-073761-002-091720.0 ppb
2016-04-043761-002-093846.0 ppb
2016-05-023761-002-091446.0 ppb
2016-06-063761-002-094547.0 ppb
2016-06-229588-002-094550.0 ppb
2016-07-053761-002-110053.0 ppb
2016-07-189588-002-085346.0 ppb
2016-08-013761-002-103262.0 ppb
2016-09-063761-002-092363.0 ppb
2016-10-033761-002-095831.0 ppb
2016-10-139588-002-100050.0 ppb
2016-12-053761-002-100058.0 ppb
2017-01-209588-003-123075.0 ppb
2017-06-019588-002-0904ND
2017-06-053761-002-0854ND
2017-07-139588-002-092326.0 ppb
2017-07-253761-003-125078.0 ppb
2017-08-073761-002-092329.0 ppb
2017-09-053761-002-092839.0 ppb
2017-10-239588-002-091526.0 ppb
2017-11-063761-002-101231.0 ppb
2017-12-043761-002-093530.0 ppb
2018-01-023761-002-093633.0 ppb
2018-01-119588-002-110031.0 ppb
2018-03-053761-002-092940.0 ppb
2018-04-023761-002-100537.0 ppb
2018-04-239588-002-092032.0 ppb
2018-05-073761-002-103838.0 ppb
2018-06-043761-002-085744.0 ppb
2018-06-299588-003-090581.0 ppb
2018-07-239588-002-094540.0 ppb
2018-07-239588-003-092482.0 ppb
2018-10-229588-002-092830.0 ppb
2018-10-229588-003-090579.0 ppb
2019-01-023761-002-1102ND
2019-01-023761-003-090974.0 ppb
2019-01-023761-008-0911ND
2019-01-023761-008-1016ND
2019-01-179588-002-094326.0 ppb
2019-01-179588-003-091577.0 ppb
2019-02-043761-002-104625.0 ppb
2019-02-043761-003-085877.0 ppb
2019-02-043761-008-0900ND
2019-02-043761-008-0954ND
2019-03-043761-002-0942ND
2019-03-043761-003-082682.0 ppb
2019-03-043761-008-0830ND
2019-03-043761-008-0902ND
2019-04-013761-002-120621.0 ppb
2019-04-013761-003-092878.0 ppb
2019-04-013761-008-0932ND
2019-04-013761-008-1033ND
2019-04-269588-002-100032.0 ppb
2019-04-269588-003-092077.0 ppb
2019-05-063761-002-111030.0 ppb
2019-05-063761-003-085979.0 ppb
2019-05-063761-008-0904ND
2019-05-063761-008-0952ND
2019-06-033761-002-113833.0 ppb
2019-06-033761-003-085277.0 ppb
2019-06-033761-008-0852ND
2019-06-033761-008-1011ND
2019-06-103761-003-090278.0 ppb
2019-06-103761-008-0905ND
2019-06-173761-003-092181.0 ppb
2019-06-173761-003-092376.0 ppb
2019-06-173761-008-0923ND
2019-06-173761-008-0925ND
2019-06-189588-003-094085.0 ppb
2019-07-013761-002-114339.0 ppb
2019-07-013761-003-083375.0 ppb
2019-07-013761-008-0837ND
2019-07-013761-008-0946ND
2019-07-083761-003-085875.0 ppb
2019-07-083761-008-0900ND
2019-07-159588-002-000054.0 ppb
2019-07-153761-003-082684.0 ppb
2019-07-159588-003-092083.0 ppb
2019-07-153761-008-0828ND
2019-07-223761-003-085071.0 ppb
2019-07-223761-008-0852ND
2019-07-293761-003-083679.0 ppb
2019-07-293761-008-0840ND
2019-08-053761-002-110746.0 ppb
2019-08-053761-003-090677.0 ppb
2019-08-053761-008-0913ND
2019-08-053761-008-1043ND
2019-08-089588-003-090081.0 ppb
2019-08-123761-003-090078.0 ppb
2019-08-123761-008-0903ND
2019-08-193761-003-082176.0 ppb
2019-08-193761-008-0817ND
2019-08-263761-003-065778.0 ppb
2019-08-263761-008-0702ND
2019-09-033761-002-104070.0 ppb
2019-09-033761-003-082977.0 ppb
2019-09-033761-008-0832ND
2019-09-033761-008-0918ND
2019-09-093761-003-081675.0 ppb
2019-09-093761-008-0819ND
2019-09-163761-003-084275.0 ppb
2019-09-163761-008-0848ND
2019-09-189588-003-100583.0 ppb
2019-09-233761-003-082473.0 ppb
2019-09-233761-008-0829ND
2019-09-303761-003-082275.0 ppb
2019-09-303761-008-0825ND
2019-10-073761-002-104045.0 ppb
2019-10-073761-003-083379.0 ppb
2019-10-073761-008-0837ND
2019-10-073761-008-0944ND
2019-10-143761-003-085983.0 ppb
2019-10-143761-008-0924ND
2019-10-159588-002-093572.0 ppb
2019-10-159588-003-091079.0 ppb
2019-10-213761-003-083470.0 ppb
2019-10-213761-008-0831ND
2019-10-283761-003-084280.0 ppb
2019-10-283761-008-0848ND
2019-11-043761-002-104742.0 ppb
2019-11-043761-003-085879.0 ppb
2019-11-043761-008-0901ND
2019-11-043761-008-0941ND
2019-11-069588-003-103083.0 ppb
2019-11-123761-003-084480.0 ppb
2019-11-123761-008-0848ND
2019-11-183761-003-090083.0 ppb
2019-11-183761-008-0857ND
2019-11-253761-003-082679.0 ppb
2019-11-253761-008-0843ND
2019-12-023761-002-105855.0 ppb
2019-12-023761-003-084593.0 ppb
2019-12-023761-008-0849ND
2019-12-023761-008-0949ND
2019-12-059588-003-101578.0 ppb
2019-12-093761-003-090985.0 ppb
2019-12-093761-008-0915ND
2019-12-163761-003-084782.0 ppb
2019-12-163761-008-0844ND
2019-12-233761-003-104190.0 ppb
2019-12-233761-008-1044ND
2019-12-303761-003-085783.0 ppb
2019-12-303761-008-0859ND