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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Hazardville 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

 

134

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND240ND
2015N/A00N/A
2016ND240ND
2017ND240ND
20180.0938 ppb321ND - 3.00 ppb
20190.0147 ppb301ND - 0.441 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
2014-01-02SB82748-01-IOCND
2014-01-13SB83141-01-IOCND
2014-02-03SB84139-01-IOCND
2014-02-19SB84808-01-IOCND
2014-03-05SB85469-01-IOCND
2014-03-17SB86047-01-IOCND
2014-04-02SB86911-01-IOCND
2014-04-14SB87578-01-IOCND
2014-05-05SB88806-01-IOCND
2014-05-19SB89633-01-IOCND
2014-06-03SB90449-01-IOCND
2014-06-16SB91248-01-IOCND
2014-07-07SB92334-06-IOCND
2014-07-21SB93129-01-IOCND
2014-08-04SB93876-01-IOCND
2014-08-18SB94758-01-IOCND
2014-09-02SB95523-01-IOCND
2014-09-15SB96312-01-IOCND
2014-10-01SB97293-05-IOCND
2014-10-14SB97999-01-IOCND
2014-11-03SB99061-01-IOCND
2014-11-18SB99878-01-IOCND
2014-12-01SC00508-01-IOCND
2014-12-15SC01172-01-IOCND
2016-01-04SC16811-01-IOCND
2016-01-19SC17326-01-IOCND
2016-02-01SC17724-01-IOCND
2016-02-16SC18185-01-IOCND
2016-03-01SC18626-01-IOCND
2016-03-15SC19069-01-IOCND
2016-04-05SC19802-01-IOCND
2016-04-18SC20279-01-IOCND
2016-05-03SC20893-01-IOCND
2016-05-16SC21387-01-IOCND
2016-06-01SC21979-01-IOCND
2016-06-13SC22424-01-IOCND
2016-07-05SC23286-01-IOCND
2016-07-18SC23747-01-IOCND
2016-08-02SC24333-01-IOCND
2016-08-16SC24851-01-IOCND
2016-09-06SC25552-01-IOCND
2016-09-19SC26054-01-IOCND
2016-10-03SC26624-01-IOCND
2016-10-17SC27152-01-IOCND
2016-11-01SC27818-01-IOCND
2016-11-14SC28339-01-IOCND
2016-12-05SC29110-01-IOCND
2016-12-19SC29728-01-IOCND
2017-01-03SC30165-01-IOCND
2017-01-03SC30165-01RE1-IOND
2017-01-16SC30583-01-IOCND
2017-02-06SC31342-01-IOCND
2017-02-21SC31763-01-IOCND
2017-03-01SC32026-01-IOCND
2017-03-06SC32194-01-IOCND
2017-03-21SC32648-01-IOCND
2017-04-04SC33125-01-IOCND
2017-05-02BY13061IOC1ND
2017-05-30BY30497IOC1ND
2017-06-05BY34017IOC1ND
2017-06-19BY43303IOC1ND
2017-07-18BY63778IOC1ND
2017-08-01BY76027IOC1ND
2017-08-14BY84179IOC1ND
2017-09-05BY95093IOC1ND
2017-09-18BZ04392IOC1ND
2017-10-02BZ13939IOC1ND
2017-10-16BZ22363IOC1ND
2017-11-01BZ30542IOC1ND
2017-11-13BZ41247IOC1ND
2017-12-04BZ51232IOC1ND
2017-12-18BZ62781IOC1ND
2018-01-02BZ67377IOC1ND
2018-01-15BZ73594IOC1ND
2018-02-05BZ85351IOC1ND
2018-02-20BZ91974IOC1ND
2018-03-05BZ98419IOC1ND
2018-03-19CA05852IOC1ND
2018-04-02CA12978IOC1ND
2018-04-16CA21610IOC1ND
2018-04-23CA35122IOC1ND
2018-05-01CA38967IOC1ND
2018-05-14CA47580IOC1ND
2018-05-29CA60890IOC1ND
2018-06-04CA64281IOC1ND
2018-06-18CA73463ND
2018-07-02CA82192ND
2018-07-16CA92077ND
2018-08-01CB02836ND
2018-08-13CB10939ND
2018-09-04CB24916ND
2018-09-17CB33535ND
2018-10-01CB62912ND
2018-10-15CB73242ND
2018-10-17U8J0017-01ND
2018-10-17U8J0017-02ND
2018-10-17U8J0017-03ND
2018-10-17U8J0017-04ND
2018-10-17U8J0017-05ND
2018-10-17U8J0017-06ND
2018-11-05CB88997ND
2018-11-19CC01058ND
2018-12-03CC072443.00 ppb
2018-12-17CC16488ND
2019-01-02CC22140ND
2019-01-14CC28997ND
2019-02-04CC40932ND
2019-02-19CC54141ND
2019-03-04CC61817ND
2019-03-19CC70597ND
2019-04-01CC79765ND
2019-04-15CC95594ND
2019-04-17U9D0016-01ND
2019-04-17U9D0016-02ND
2019-04-17U9D0016-030.441 ppb
2019-04-17U9D0016-04ND
2019-04-17U9D0016-05ND
2019-04-17U9D0016-06ND
2019-05-01CD05600ND
2019-05-13CD12692ND
2019-06-03CD26501ND
2019-06-17CD37150ND
2019-07-01CD48837ND
2019-07-15CD58137ND
2019-08-06CD79283ND
2019-08-19CD88724ND
2019-09-03CD97633ND
2019-09-16CE11095ND
2019-10-01CE24572ND
2019-10-15CE42139ND
2019-11-04CE54404ND
2019-11-18CE63276ND
2019-12-02CE70551ND
2019-12-16CE89269ND