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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Olivehurst Public UD

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

 

227

Samples

0

Samples exceeding legal limit (MCL)

11

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20141.58 ppb367ND - 16.0 ppb
20157.89 ppb382ND - 160.0 ppb
20161.15 ppb331ND - 38.0 ppb
2017ND360ND
201829.8 ppb4913ND - 190.0 ppb
20196.26 ppb355ND - 71.0 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
2014-01-082236-011-0817ND
2014-01-082236-012-0810ND
2014-01-082236-019-08245.10 ppb
2014-02-052236-011-0815ND
2014-02-052236-012-0807ND
2014-02-052236-019-08245.70 ppb
2014-03-122236-011-0840ND
2014-03-122236-012-0832ND
2014-03-122236-019-08506.70 ppb
2014-04-082236-011-0812ND
2014-04-082236-012-0805ND
2014-04-082236-019-08207.10 ppb
2014-05-072236-011-0838ND
2014-05-072236-012-0831ND
2014-05-072236-019-084716.0 ppb
2014-06-112236-011-0732ND
2014-06-112236-012-0726ND
2014-06-112236-019-07408.30 ppb
2014-07-022236-011-0836ND
2014-07-022236-012-0828ND
2014-07-022236-019-08438.10 ppb
2014-08-261233-011-0744ND
2014-08-261233-012-0801ND
2014-08-261233-019-0821ND
2014-09-251233-011-0808ND
2014-09-251233-012-0823ND
2014-09-251233-019-0814ND
2014-10-221233-011-0757ND
2014-10-221233-012-0748ND
2014-10-221233-019-0827ND
2014-11-181233-011-0821ND
2014-11-181233-012-0838ND
2014-11-181233-019-0831ND
2014-12-101233-011-0726ND
2014-12-101233-012-0737ND
2014-12-101233-019-0749ND
2015-01-061233-011-0808ND
2015-01-061233-012-0817ND
2015-01-061233-019-0831ND
2015-02-121610-011-0758ND
2015-02-121610-012-0750ND
2015-02-121610-019-0810ND
2015-03-181610-011-0839ND
2015-03-181610-012-0856ND
2015-03-181610-019-0851ND
2015-04-091610-011-0858ND
2015-04-091610-012-0907ND
2015-04-091610-019-0849ND
2015-05-121610-011-0757ND
2015-05-121610-012-0801ND
2015-05-121610-019-0745ND
2015-06-101610-011-0755ND
2015-06-101610-012-0744ND
2015-06-101610-019-0809ND
2015-07-231610-011-0731ND
2015-07-231610-012-0737ND
2015-07-231610-019-0747ND
2015-08-201610-010-0735140.0 ppb
2015-08-201610-011-0743ND
2015-08-201610-012-0752ND
2015-08-201610-019-0836ND
2015-09-221610-011-1347ND
2015-09-221610-012-1354ND
2015-09-221610-019-1403ND
2015-10-121610-020-1424160.0 ppb
2015-10-141610-011-1443ND
2015-10-141610-012-1425ND
2015-10-141610-019-1434ND
2015-11-111610-011-1346ND
2015-11-111610-012-1337ND
2015-11-111610-019-1354ND
2015-12-141610-011-1406ND
2015-12-141610-012-1415ND
2015-12-141610-019-1356ND
2016-01-201610-011-1417ND
2016-01-201610-012-1337ND
2016-01-201610-019-142838.0 ppb
2016-03-071610-011-1340ND
2016-03-071610-012-1346ND
2016-03-071610-019-1400ND
2016-04-261610-011-1401ND
2016-04-261610-012-1408ND
2016-04-261610-019-1351ND
2016-05-161610-011-1439ND
2016-05-161610-012-1445ND
2016-05-161610-019-1430ND
2016-06-131610-011-1359ND
2016-06-131610-012-1353ND
2016-06-131610-019-1408ND
2016-07-111610-011-1423ND
2016-07-111610-012-1431ND
2016-07-111610-019-1410ND
2016-08-081610-011-1449ND
2016-08-081610-012-1455ND
2016-08-081610-019-1440ND
2016-09-121610-011-1427ND
2016-09-121610-012-1434ND
2016-09-121610-019-1416ND
2016-10-191610-011-1418ND
2016-10-191610-012-1426ND
2016-10-191610-019-1404ND
2016-11-091610-011-1416ND
2016-11-091610-012-1424ND
2016-11-091610-019-1409ND
2016-12-121610-011-1414ND
2016-12-121610-012-1423ND
2016-12-121610-019-1405ND
2017-01-171610-011-1423ND
2017-01-171610-012-1430ND
2017-01-171610-019-1410ND
2017-02-211610-011-1401ND
2017-02-211610-012-1408ND
2017-02-211610-019-1349ND
2017-03-131610-011-1444ND
2017-03-131610-012-1450ND
2017-03-131610-019-1425ND
2017-04-121610-011-1432ND
2017-04-121610-012-1452ND
2017-04-121610-019-1421ND
2017-05-231610-011-1404ND
2017-05-231610-012-1412ND
2017-05-231610-019-1355ND
2017-06-131610-011-1423ND
2017-06-131610-012-1429ND
2017-06-131610-019-1414ND
2017-07-111610-011-1405ND
2017-07-111610-012-1415ND
2017-07-111610-019-1356ND
2017-08-161610-011-1421ND
2017-08-161610-012-1433ND
2017-08-161610-019-1416ND
2017-09-121610-011-1441ND
2017-09-121610-012-1449ND
2017-09-121610-019-1433ND
2017-10-111610-011-1427ND
2017-10-111610-012-1434ND
2017-10-111610-019-1417ND
2017-11-071610-011-1430ND
2017-11-071610-012-1437ND
2017-11-071610-019-1421ND
2017-12-111610-011-1415ND
2017-12-111610-012-1419ND
2017-12-111610-019-1403ND
2018-01-161610-011-1429ND
2018-01-161610-012-1429ND
2018-01-161610-019-1412ND
2018-02-141610-011-1423ND
2018-02-141610-012-1431ND
2018-02-141610-019-1412ND
2018-03-191610-011-1429ND
2018-03-191610-012-1437ND
2018-03-191610-019-1418ND
2018-04-121610-011-0916ND
2018-04-121610-012-0923ND
2018-04-121610-019-0907ND
2018-05-141610-011-1400ND
2018-05-141610-012-1409ND
2018-05-141610-019-1351ND
2018-06-131610-011-1423ND
2018-06-131610-012-1432ND
2018-06-131610-019-1415ND
2018-07-111610-011-1416ND
2018-07-111610-012-1424ND
2018-07-111610-019-1406ND
2018-08-021610-001-0815120.0 ppb
2018-08-201610-011-1426ND
2018-08-201610-012-1434ND
2018-08-201610-019-1418ND
2018-08-281610-018-0803140.0 ppb
2018-08-281610-020-0817190.0 ppb
2018-08-301610-010-0805180.0 ppb
2018-09-061610-002-0759120.0 ppb
2018-09-061610-006-0816100.0 ppb
2018-09-121610-011-1418ND
2018-09-121610-012-1412ND
2018-09-121610-019-1401ND
2018-10-111610-011-0845ND
2018-10-111610-012-0857ND
2018-10-111610-019-0835ND
2018-11-081610-011-094127.0 ppb
2018-11-081610-012-0947ND
2018-11-081610-019-0912ND
2018-11-151610-001-0904110.0 ppb
2018-11-151610-002-0911120.0 ppb
2018-12-041610-018-0908140.0 ppb
2018-12-041610-020-0919190.0 ppb
2018-12-061812405-001A15.4 ppb
2018-12-061812405-002A8.95 ppb
2018-12-061812405-003AND
2018-12-181610-011-1358ND
2018-12-181610-012-1406ND
2018-12-181610-019-1350ND
2019-01-141610-011-140924.0 ppb
2019-01-141610-012-1416ND
2019-01-141610-019-1400ND
2019-02-111610-011-141545.0 ppb
2019-02-111610-012-1427ND
2019-02-111610-019-1405ND
2019-03-121610-011-143635.0 ppb
2019-03-121610-012-1444ND
2019-03-121610-019-1426ND
2019-04-101610-011-141744.0 ppb
2019-04-101610-012-1429ND
2019-04-101610-019-1408ND
2019-05-081610-011-1354ND
2019-05-081610-012-1406ND
2019-05-081610-019-1345ND
2019-06-201610-011-0853ND
2019-06-201610-012-0918ND
2019-06-201610-019-0941ND
2019-07-171610-011-1354ND
2019-07-171610-012-1403ND
2019-07-171610-019-1343ND
2019-08-141610-012-1401ND
2019-08-141610-019-1343ND
2019-09-111610-011-1421ND
2019-09-111610-012-1429ND
2019-09-111610-019-1412ND
2019-10-091610-011-1406ND
2019-10-091610-012-1414ND
2019-10-091610-019-135571.0 ppb
2019-11-141610-011-0911ND
2019-11-141610-012-0918ND
2019-11-141610-019-0840ND
2019-12-171610-011-1307ND
2019-12-171610-012-1259ND
2019-12-171610-019-1318ND