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EWG's Tap Water Database — 2021 UPDATE

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Manganese

United Water Cons District

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

 

221

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20144.71 ppb172ND - 70.0 ppb
20151.76 ppb171ND - 30.0 ppb
20168.46 ppb133ND - 60.0 ppb
201711.7 ppb6028ND - 40.0 ppb
20180.690 ppb582ND - 20.0 ppb
2019ND560ND

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
2014-04-095867-001-1113ND
2014-04-095867-004-0733ND
2014-04-095867-007-0803ND
2014-04-095867-008-0848ND
2014-04-095867-009-0903ND
2014-04-095867-010-1100ND
2014-04-095867-013-1025ND
2014-04-095867-017-0917ND
2014-10-155867-001-110070.0 ppb
2014-10-155867-004-0715ND
2014-10-155867-007-0748ND
2014-10-155867-008-0804ND
2014-10-155867-009-0845ND
2014-10-155867-010-0828ND
2014-10-155867-013-1000ND
2014-11-035867-025-120010.00 ppb
2014-12-235867-017-0730ND
2015-02-175867-026-0905ND
2015-04-145867-001-1040ND
2015-04-145867-004-0742ND
2015-04-145867-007-0705ND
2015-04-145867-008-0900ND
2015-04-145867-010-0842ND
2015-04-145867-013-1050ND
2015-04-145867-017-0812ND
2015-04-145867-026-0728ND
2015-08-205867-001-1200ND
2015-10-195867-001-110030.0 ppb
2015-10-195867-004-0738ND
2015-10-195867-007-0750ND
2015-10-195867-008-1050ND
2015-10-195867-010-0920ND
2015-10-195867-017-1006ND
2015-10-195867-026-0720ND
2016-04-055867-001-095210.00 ppb
2016-04-055867-004-0746ND
2016-04-055867-007-0716ND
2016-04-055867-008-0816ND
2016-04-055867-010-0906ND
2016-04-055867-017-0854ND
2016-04-055867-026-0800ND
2016-06-205867-001-084560.0 ppb
2016-10-275867-001-091240.0 ppb
2016-10-275867-007-0734ND
2016-10-275867-010-0810ND
2016-10-275867-017-0800ND
2016-10-275867-026-0748ND
2017-02-095867-001-132040.0 ppb
2017-02-165867-001-090030.0 ppb
2017-02-215867-001-114430.0 ppb
2017-03-025867-001-0902ND
2017-03-075867-001-0950ND
2017-03-145867-001-0940ND
2017-03-205867-001-0920ND
2017-03-275867-001-0800ND
2017-04-055867-001-0914ND
2017-04-135867-001-0800ND
2017-04-195867-001-1052ND
2017-04-195867-004-0836ND
2017-04-195867-007-0800ND
2017-04-195867-008-0816ND
2017-04-195867-010-1038ND
2017-04-195867-017-0926ND
2017-04-195867-026-0914ND
2017-04-265867-001-1000ND
2017-05-045867-001-085030.0 ppb
2017-05-105867-001-073020.0 ppb
2017-05-155867-001-073020.0 ppb
2017-05-225867-001-080020.0 ppb
2017-06-015867-001-092020.0 ppb
2017-06-055867-001-080420.0 ppb
2017-06-135867-001-100020.0 ppb
2017-06-205867-001-070030.0 ppb
2017-06-265867-001-070020.0 ppb
2017-07-035867-001-100030.0 ppb
2017-07-135867-001-085420.0 ppb
2017-07-195867-001-082030.0 ppb
2017-07-255867-001-083020.0 ppb
2017-08-025867-001-0900ND
2017-08-095867-001-0930ND
2017-08-165867-001-105022.4 ppb
2017-08-225867-001-103020.0 ppb
2017-08-285867-001-093030.0 ppb
2017-09-055867-001-102020.0 ppb
2017-09-125867-001-110030.0 ppb
2017-09-205867-001-110020.0 ppb
2017-09-265867-001-110030.0 ppb
2017-10-055867-001-090030.0 ppb
2017-10-105867-001-100020.0 ppb
2017-10-175867-001-105020.0 ppb
2017-10-265867-001-090040.0 ppb
2017-10-315867-001-123020.0 ppb
2017-10-315867-004-0716ND
2017-10-315867-007-0924ND
2017-10-315867-008-1124ND
2017-10-315867-010-0744ND
2017-10-315867-017-1200ND
2017-10-315867-026-0820ND
2017-10-315867-027-0954ND
2017-11-065867-001-1054ND
2017-11-155867-001-1055ND
2017-11-215867-001-0905ND
2017-11-285867-001-0800ND
2017-12-085867-001-0735ND
2017-12-135867-001-1000ND
2017-12-185867-001-1110ND
2017-12-275867-001-1232ND
2018-01-035867-001-0900ND
2018-01-105867-001-0930ND
2018-01-175867-001-1140ND
2018-01-225867-001-0910ND
2018-02-015867-001-0741ND
2018-02-085867-001-1020ND
2018-02-125867-001-0924ND
2018-02-225867-001-1000ND
2018-03-015867-001-0800ND
2018-03-145867-001-0831ND
2018-03-205867-001-1044ND
2018-03-265867-001-1000ND
2018-04-035867-001-1020ND
2018-04-115867-001-0746ND
2018-04-175867-001-0956ND
2018-04-175867-004-0749ND
2018-04-175867-007-1040ND
2018-04-175867-010-0856ND
2018-04-175867-017-0843ND
2018-04-175867-026-0820ND
2018-04-175867-027-0918ND
2018-04-245867-001-0900ND
2018-05-025867-001-0725ND
2018-05-085867-001-0745ND
2018-05-155867-001-0740ND
2018-06-055867-001-0823ND
2018-06-135867-001-0755ND
2018-06-195867-001-0810ND
2018-06-265867-001-0730ND
2018-07-035867-001-0735ND
2018-07-105867-001-1301ND
2018-07-165867-001-1300ND
2018-07-235867-001-0850ND
2018-08-015867-001-0740ND
2018-08-085867-001-0725ND
2018-08-155867-001-095020.0 ppb
2018-08-275867-001-0940ND
2018-09-055867-001-0805ND
2018-09-125867-001-0740ND
2018-09-205867-001-0734ND
2018-09-255867-001-0830ND
2018-10-045867-001-0735ND
2018-10-095867-004-0818ND
2018-10-095867-007-0840ND
2018-10-095867-017-0927ND
2018-10-095867-026-0908ND
2018-10-095867-027-1016ND
2018-10-165867-001-0750ND
2018-10-235867-001-0805ND
2018-11-015867-001-0735ND
2018-11-065867-001-0900ND
2018-11-145867-001-0735ND
2018-11-215867-013-082820.0 ppb
2018-11-285867-001-0730ND
2018-12-045867-001-0750ND
2018-12-115867-001-0815ND
2018-12-185867-001-0740ND
2018-12-265867-001-0900ND
2019-01-085867-001-0815ND
2019-01-155867-001-0810ND
2019-01-225867-001-0800ND
2019-01-295867-001-0815ND
2019-02-065867-001-0745ND
2019-02-125867-001-0800ND
2019-02-205867-001-0745ND
2019-02-265867-001-0739ND
2019-03-055867-001-0820ND
2019-03-135867-001-0755ND
2019-03-205867-001-0805ND
2019-04-045867-001-0805ND
2019-04-105867-001-0745ND
2019-04-105867-004-0822ND
2019-04-105867-007-0853ND
2019-04-105867-008-1040ND
2019-04-105867-013-1014ND
2019-04-105867-017-0924ND
2019-04-105867-026-0908ND
2019-04-105867-027-1026ND
2019-04-175867-001-0950ND
2019-05-095867-001-0725ND
2019-05-225867-001-0745ND
2019-05-295867-001-0739ND
2019-06-065867-001-0830ND
2019-06-195867-001-0745ND
2019-06-255867-001-0745ND
2019-07-025867-001-1100ND
2019-07-105867-001-0725ND
2019-08-075867-001-0820ND
2019-08-145867-001-0810ND
2019-08-215867-001-0800ND
2019-09-035867-001-0800ND
2019-09-115867-001-0805ND
2019-09-175867-001-0740ND
2019-09-265867-001-0714ND
2019-10-025867-001-0820ND
2019-10-085867-001-0755ND
2019-10-085867-004-0835ND
2019-10-085867-007-0959ND
2019-10-085867-008-1010ND
2019-10-085867-010-1025ND
2019-10-085867-013-0813ND
2019-10-085867-017-0945ND
2019-10-085867-026-0855ND
2019-10-085867-027-1050ND
2019-10-235867-001-1040ND
2019-10-295867-001-0926ND
2019-11-065867-001-0845ND
2019-11-125867-001-0825ND
2019-11-205867-001-1040ND
2019-11-265867-001-0805ND
2019-12-035867-001-0805ND
2019-12-105867-001-0855ND
2019-12-175867-001-0835ND
2019-12-265867-001-1210ND