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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Plumas Lake

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

 

144

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20148.68 ppb259ND - 96.0 ppb
2015ND240ND
2016ND220ND
2017ND210ND
201831.4 ppb284ND - 230.0 ppb
2019ND240ND

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
2014-01-082236-004-0836ND
2014-01-082236-008-0843ND
2014-02-052236-004-08336.80 ppb
2014-02-052236-008-08375.40 ppb
2014-03-052236-005-091696.0 ppb
2014-03-122236-004-0909ND
2014-03-122236-008-0915ND
2014-04-082236-004-0833ND
2014-04-082236-008-0839ND
2014-05-072236-004-09037.60 ppb
2014-05-072236-008-0910ND
2014-06-112236-004-07565.10 ppb
2014-06-112236-008-08055.90 ppb
2014-07-022236-004-08546.30 ppb
2014-07-022236-008-0858ND
2014-08-261233-004-0842ND
2014-08-261233-008-0851ND
2014-09-251233-004-0844ND
2014-09-251233-005-0835ND
2014-10-221233-004-084858.0 ppb
2014-10-221233-008-0901ND
2014-11-181233-004-084426.0 ppb
2014-11-181233-008-0844ND
2014-12-101233-004-0804ND
2014-12-101233-008-0810ND
2015-01-061233-004-0852ND
2015-01-061233-008-0950ND
2015-02-121610-001-0825ND
2015-02-121610-008-0834ND
2015-03-181610-004-0821ND
2015-03-181610-008-0815ND
2015-04-091610-004-0831ND
2015-04-091610-005-0821ND
2015-05-121610-007-0723ND
2015-05-121610-008-0728ND
2015-06-101610-004-0822ND
2015-06-101610-005-0902ND
2015-07-231610-004-0758ND
2015-07-231610-008-0803ND
2015-08-201610-007-0820ND
2015-08-201610-008-0812ND
2015-09-221610-004-1414ND
2015-09-221610-008-1421ND
2015-10-141610-004-1408ND
2015-10-141610-008-1412ND
2015-11-111610-004-1407ND
2015-11-111610-008-1415ND
2015-12-141610-004-1336ND
2015-12-141610-008-1341ND
2016-01-201610-004-1355ND
2016-01-201610-008-1404ND
2016-03-071610-004-1423ND
2016-03-071610-008-1417ND
2016-04-261610-004-1331ND
2016-04-261610-008-1338ND
2016-05-161610-004-1414ND
2016-05-161610-008-1416ND
2016-06-131610-004-1420ND
2016-06-131610-008-1425ND
2016-07-111610-004-1349ND
2016-07-111610-008-1355ND
2016-08-081610-004-1422ND
2016-08-081610-008-1428ND
2016-09-121610-004-1359ND
2016-09-121610-008-1404ND
2016-10-191610-004-1343ND
2016-10-191610-008-1350ND
2016-11-091610-004-1351ND
2016-11-091610-008-1356ND
2016-12-121610-004-1347ND
2016-12-121610-008-1352ND
2017-01-171610-004-1354ND
2017-01-171610-008-1400ND
2017-02-211610-004-1341ND
2017-03-131610-004-1425ND
2017-04-121610-004-1402ND
2017-04-121610-008-1408ND
2017-05-231610-004-1333ND
2017-06-131610-004-1357ND
2017-06-131610-008-1402ND
2017-07-111610-004-1335ND
2017-07-111610-008-1340ND
2017-08-161610-004-1359ND
2017-08-211610-008-1348ND
2017-09-121610-004-1415ND
2017-09-121610-008-1421ND
2017-10-111610-004-1359ND
2017-10-111610-008-1404ND
2017-11-071610-004-1403ND
2017-11-071610-008-1411ND
2017-12-111610-004-1342ND
2017-12-111610-008-1348ND
2018-01-161610-004-1353ND
2018-01-161610-008-1357ND
2018-02-141610-004-1357ND
2018-02-141610-008-1402ND
2018-03-191610-004-1403ND
2018-03-191610-008-1406ND
2018-04-121610-004-0848ND
2018-04-121610-008-0854ND
2018-05-141610-004-1335ND
2018-05-141610-008-1339ND
2018-06-131610-004-1358ND
2018-06-131610-008-1404ND
2018-06-281610-001-0756230.0 ppb
2018-06-281610-005-0804220.0 ppb
2018-07-111610-004-1347ND
2018-07-111610-008-1353ND
2018-08-141610-005-0920230.0 ppb
2018-08-141610-007-0907200.0 ppb
2018-08-201610-004-1402ND
2018-08-201610-008-1407ND
2018-09-121610-004-1346ND
2018-09-121610-008-1350ND
2018-10-111610-004-0815ND
2018-10-111610-008-0822ND
2018-11-081610-004-0920ND
2018-11-081610-008-0926ND
2018-12-181610-004-1337ND
2018-12-181610-008-1339ND
2019-01-141610-004-1341ND
2019-01-141610-008-1347ND
2019-02-111610-004-1343ND
2019-02-111610-008-1349ND
2019-03-121610-004-1407ND
2019-03-121610-008-1415ND
2019-04-101610-004-1348ND
2019-04-101610-008-1355ND
2019-05-081610-004-1324ND
2019-05-081610-008-1331ND
2019-06-201610-004-1003ND
2019-06-201610-008-1008ND
2019-07-171610-004-1322ND
2019-07-171610-008-1328ND
2019-08-141610-004-1325ND
2019-08-141610-008-1333ND
2019-09-111610-004-1355ND
2019-09-111610-008-1400ND
2019-10-091610-004-1337ND
2019-10-091610-008-1343ND
2019-11-141610-004-0851ND
2019-11-141610-008-0856ND
2019-12-171610-004-1328ND
2019-12-171610-008-1337ND