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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Pine Valley Mutual Water Company

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

 

156

Samples

0

Samples exceeding legal limit (MCL)

32

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201457.5 ppb3120ND - 170.0 ppb
201553.8 ppb3830ND - 140.0 ppb
201678.6 ppb3426ND - 1,100.0 ppb
201748.4 ppb2718ND - 160.0 ppb
201857.2 ppb121223.0 ppb - 88.0 ppb
201981.1 ppb141424.0 ppb - 189.0 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
2014-02-034790-009-1420130.0 ppb
2014-02-034790-017-1425ND
2014-02-044790-003-082078.0 ppb
2014-02-044790-016-0805ND
2014-02-114790-007-074971.0 ppb
2014-02-114790-016-072933.0 ppb
2014-04-074790-009-1415130.0 ppb
2014-04-084790-017-0745ND
2014-05-124790-009-1510130.0 ppb
2014-05-124790-017-151537.0 ppb
2014-06-034790-003-073682.0 ppb
2014-06-034790-016-0747170.0 ppb
2014-06-094790-009-1515150.0 ppb
2014-06-094790-017-152071.0 ppb
2014-07-084790-007-085087.0 ppb
2014-07-084790-016-084031.0 ppb
2014-07-154790-009-1520130.0 ppb
2014-07-164790-017-0735ND
2014-09-094790-003-130567.0 ppb
2014-09-094790-004-1340ND
2014-09-094790-006-1230ND
2014-09-094790-010-1245ND
2014-09-094790-016-1300ND
2014-10-064790-009-1535110.0 ppb
2014-10-074790-017-0715ND
2014-11-124790-001-1410ND
2014-11-124790-005-1415ND
2014-11-124790-007-144577.0 ppb
2014-11-124790-009-1439140.0 ppb
2014-11-124790-016-143024.0 ppb
2014-12-094790-016-072836.0 ppb
2015-01-054790-009-1445140.0 ppb
2015-01-054790-017-1450ND
2015-02-094790-009-1516130.0 ppb
2015-02-094790-017-151747.0 ppb
2015-02-104790-007-081074.0 ppb
2015-02-104790-016-080026.0 ppb
2015-03-164790-009-1440130.0 ppb
2015-03-164790-017-144066.0 ppb
2015-04-134790-003-075542.0 ppb
2015-04-134790-016-0750ND
2015-05-044790-009-1520110.0 ppb
2015-05-044790-017-0825ND
2015-05-044790-017-1540ND
2015-06-174790-007-092555.0 ppb
2015-06-174790-016-090521.0 ppb
2015-07-064790-009-1600140.0 ppb
2015-07-064790-017-085021.0 ppb
2015-07-064790-017-161044.0 ppb
2015-07-144790-007-095577.0 ppb
2015-07-144790-016-094529.0 ppb
2015-08-034790-007-151568.0 ppb
2015-08-034790-016-150524.0 ppb
2015-08-114790-009-1450140.0 ppb
2015-08-114790-017-072026.0 ppb
2015-08-114790-017-144534.0 ppb
2015-09-014790-007-080066.0 ppb
2015-09-014790-016-072526.0 ppb
2015-09-144790-009-1450130.0 ppb
2015-09-144790-017-145029.0 ppb
2015-10-054790-009-1525120.0 ppb
2015-10-054790-017-152024.0 ppb
2015-10-134790-003-150550.0 ppb
2015-10-134790-016-1435ND
2015-11-034790-003-085554.0 ppb
2015-11-034790-016-0850ND
2015-12-014790-009-1445100.0 ppb
2015-12-014790-017-0920ND
2015-12-024790-017-1500ND
2016-02-024790-003-094558.0 ppb
2016-02-024790-009-15121,100.0 ppb
2016-02-024790-016-093424.0 ppb
2016-02-024790-017-151520.0 ppb
2016-04-044790-009-1025130.0 ppb
2016-04-044790-017-1020ND
2016-04-124790-003-080560.0 ppb
2016-04-124790-016-0800ND
2016-05-044790-003-085052.0 ppb
2016-05-044790-016-0845ND
2016-05-174790-009-1500140.0 ppb
2016-05-174790-017-0745ND
2016-05-184790-017-0735ND
2016-06-064790-016-093525.0 ppb
2016-06-134790-009-1405130.0 ppb
2016-06-144790-017-073533.0 ppb
2016-06-214790-016-084521.0 ppb
2016-07-054790-016-1330ND
2016-07-114790-009-1450110.0 ppb
2016-07-124790-017-074025.0 ppb
2016-08-164790-016-102024.0 ppb
2016-09-134790-016-1040ND
2016-09-144790-003-081573.0 ppb
2016-09-144790-016-084021.0 ppb
2016-10-174790-009-1515170.0 ppb
2016-10-174790-017-0820ND
2016-10-184790-017-075032.0 ppb
2016-11-144790-009-1510120.0 ppb
2016-11-144790-017-083028.0 ppb
2016-11-154790-017-075032.0 ppb
2016-12-054790-009-1500130.0 ppb
2016-12-054790-017-091539.0 ppb
2016-12-064790-016-084024.0 ppb
2016-12-064790-017-085552.0 ppb
2017-02-064790-009-1400160.0 ppb
2017-02-064790-017-0710ND
2017-02-074790-017-0710ND
2017-03-064790-009-1400140.0 ppb
2017-03-064790-017-0900ND
2017-03-074790-017-074056.0 ppb
2017-04-104790-009-1350160.0 ppb
2017-04-104790-017-0730ND
2017-04-104790-017-0740ND
2017-05-084790-016-114224.0 ppb
2017-06-124790-016-113020.0 ppb
2017-07-104790-003-104573.0 ppb
2017-07-104790-007-070066.0 ppb
2017-07-104790-016-065546.0 ppb
2017-07-104790-016-104054.0 ppb
2017-08-014790-003-083152.0 ppb
2017-08-014790-016-082528.0 ppb
2017-08-024790-007-093060.0 ppb
2017-08-024790-016-101029.0 ppb
2017-09-194790-003-090187.0 ppb
2017-09-194790-006-0850ND
2017-09-194790-010-0820ND
2017-10-024790-001-0840ND
2017-10-024790-004-090028.0 ppb
2017-10-024790-005-0930ND
2017-10-024790-007-092063.0 ppb
2017-10-024790-009-0945160.0 ppb
2018-06-184790-007-081876.0 ppb
2018-06-184790-016-085037.0 ppb
2018-07-024790-007-090578.0 ppb
2018-07-024790-016-091027.0 ppb
2018-08-064790-003-152556.0 ppb
2018-08-064790-016-150539.0 ppb
2018-09-104790-003-121058.0 ppb
2018-09-104790-016-120023.0 ppb
2018-10-154790-003-105588.0 ppb
2018-10-154790-016-113087.0 ppb
2018-12-034790-007-093072.0 ppb
2018-12-034790-016-101545.0 ppb
2019-03-114790-007-1045110.0 ppb
2019-03-114790-016-110035.0 ppb
2019-04-021931-003-0905144.0 ppb
2019-04-021931-016-101040.0 ppb
2019-06-104790-003-095099.0 ppb
2019-06-104790-016-105027.0 ppb
2019-08-054790-003-070595.0 ppb
2019-09-094790-003-095066.0 ppb
2019-09-164790-007-084562.0 ppb
2019-10-071931-003-104580.0 ppb
2019-10-071931-009-1145189.0 ppb
2019-10-071931-016-110524.0 ppb
2019-11-121931-003-1005112.0 ppb
2019-11-121931-016-103053.0 ppb