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EWG's Tap Water Database — 2019 UPDATE

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Manganese

Florin County Water 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.

 

37

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201214.7 ppb31ND - 44.0 ppb
2013202.0 ppb52ND - 560.0 ppb
20142.45 ppb178ND - 23.0 ppb
2015ND30ND
2016ND50ND
2017ND40ND

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
2012-05-305810-009-095644.0 ppb
2012-08-285810-009-1316ND
2012-08-295810-003-0937ND
2013-04-155810-012-1325560.0 ppb
2013-05-095810-012-1152450.0 ppb
2013-07-185810-007-0914ND
2013-12-125810-007-0950ND
2013-12-125810-006-1427ND
2014-05-21307002PND
2014-05-21106918P2.90 ppb
2014-05-21106919P1.50 ppb
2014-05-21106920P4.30 ppb
2014-05-21307003PND
2014-05-21106915PND
2014-05-21106922PND
2014-08-075810-010-1305ND
2014-08-075810-012-101023.0 ppb
2014-08-075810-009-1236ND
2014-11-19309731PND
2014-11-19109653PND
2014-11-19109647PND
2014-11-19309730P1.53 ppb
2014-11-19109650P1.64 ppb
2014-11-19109649P2.58 ppb
2014-11-19109651P4.19 ppb
2015-12-095810-009-1136ND
2015-12-095810-003-1022ND
2015-12-105810-002-1356ND
2016-04-285810-004-1100ND
2016-04-285810-012-0951ND
2016-09-085810-006-1242ND
2016-09-085810-009-1141ND
2016-09-085810-007-0905ND
2017-03-095810-009-1130ND
2017-03-095810-010-1155ND
2017-06-225810-009-1025ND
2017-11-285810-009-1119ND