Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Manganese

Western MWD (Arlington)

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

 

71

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND100ND
2015ND140ND
2016ND120ND
2017ND130ND
2018ND100ND
2019ND120ND

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
2014-02-034790-009-0930ND
2014-02-034790-007-1115ND
2014-02-064790-001-1120ND
2014-02-064790-002-1145ND
2014-02-064790-005-1300ND
2014-02-064790-004-1240ND
2014-02-064790-003-1210ND
2014-05-054790-009-1345ND
2014-05-054790-007-1100ND
2014-08-054790-007-1400ND
2015-02-094790-009-1130ND
2015-02-094790-007-0930ND
2015-02-114790-004-1500ND
2015-02-114790-003-1440ND
2015-02-114790-005-1520ND
2015-02-114790-002-1415ND
2015-02-184790-009-1400ND
2015-02-244790-001-1045ND
2015-05-044790-007-1350ND
2015-05-054790-009-0905ND
2015-08-034790-009-1345ND
2015-08-044790-007-1310ND
2015-11-024790-007-1250ND
2015-11-024790-009-1130ND
2016-02-124790-009-1030ND
2016-02-134790-001-0930ND
2016-02-134790-003-0950ND
2016-02-134790-004-1010ND
2016-02-134790-005-1030ND
2016-03-294790-002-0705ND
2016-05-024790-009-1015ND
2016-05-024790-007-1120ND
2016-08-014790-009-1030ND
2016-08-014790-007-0930ND
2016-11-014790-009-1120ND
2016-11-014790-007-0900ND
2017-02-064790-009-1030ND
2017-02-074790-001-1330ND
2017-02-074790-002-1230ND
2017-02-074790-003-1245ND
2017-02-074790-004-1300ND
2017-02-074790-005-1315ND
2017-04-034790-009-1231ND
2017-05-014790-007-1252ND
2017-05-014790-009-1240ND
2017-08-014790-007-1005ND
2017-08-014790-009-1217ND
2017-11-064790-009-1100ND
2017-11-074790-007-0845ND
2018-02-214790-007-1100ND
2018-02-214790-009-0900ND
2018-02-264790-001-1340ND
2018-02-264790-002-1405ND
2018-05-144790-007-1010ND
2018-05-144790-009-1040ND
2018-08-284790-009-0940ND
2018-08-284790-007-0910ND
2018-11-054790-009-1115ND
2018-11-054790-007-1000ND
2019-02-044790-008-1330ND
2019-02-044790-007-1400ND
2019-02-044790-009-1255ND
2019-05-064790-007-1000ND
2019-05-064790-009-1130ND
2019-05-074790-008-1030ND
2019-08-134790-007-1045ND
2019-08-134790-009-1115ND
2019-08-134790-008-1120ND
2019-11-044790-007-1210ND
2019-11-044790-008-1030ND
2019-11-044790-009-1120ND