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EWG's Tap Water Database — 2021 UPDATE

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Manganese

United Water New York

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

 

233

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
20150.270 ppb371ND - 10.00 ppb
20166.57 ppb358ND - 120.0 ppb
20176.47 ppb342ND - 200.0 ppb
201811.0 ppb314ND - 290.0 ppb
20197.65 ppb9430ND - 290.0 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
2015-02-24394629SECND
2015-02-24394631SECND
2015-02-24394628SECND
2015-02-24394630SECND
2015-03-25396192SECND
2015-03-25396191ND
2015-03-25396190SECND
2015-03-26396320SECND
2015-03-26396323SECND
2015-03-26396321SECND
2015-03-26396322SECND
2015-04-09396960SECND
2015-04-09396959SECND
2015-04-09396957SECND
2015-04-19396958SECND
2015-06-23401545SECND
2015-07-01402098SECND
2015-07-02402090SECND
2015-07-09402474SECND
2015-07-15402938SECND
2015-07-15402937SECND
2015-07-23403378SECND
2015-08-27405687SECND
2015-09-09406318SECND
2015-09-10406391SECND
2015-09-10406395SECND
2015-10-07407978SEC10.00 ppb
2015-10-08408068SECND
2015-10-08408071SECND
2015-10-08408069SECND
2015-10-08408070SECND
2015-12-02411295SECND
2015-12-02411294SECND
2015-12-17412461SECND
2015-12-17412460SECND
2015-12-22412605SECND
2015-12-22412606SECND
2016-02-11431509SECND
2016-02-25418085ND
2016-03-23418083SECND
2016-04-20424838SEC10.00 ppb
2016-04-20430847SECND
2016-04-20425957ND
2016-04-27425844SECND
2016-05-23421722SECND
2016-06-27423842SECND
2016-06-28423913SEC40.0 ppb
2016-06-29424007SECND
2016-06-29424002SEC120.0 ppb
2016-06-29424005SECND
2016-07-06424312SECND
2016-07-13424842SECND
2016-07-13424844SECND
2016-07-14424908SECND
2016-07-14424912SECND
2016-07-21425483SECND
2016-07-25425641SECND
2016-07-25425643SECND
2016-07-27425845SEC10.00 ppb
2016-07-27425841SECND
2016-07-27425843ND
2016-07-28425955SEC10.00 ppb
2016-07-28425956SEC10.00 ppb
2016-07-29426033SECND
2016-08-25427983SEC10.00 ppb
2016-08-25427984SECND
2016-10-04430632SECND
2016-10-04430633SECND
2016-10-06430846SECND
2016-10-06430845SECND
2016-10-17431508ND
2016-10-1843161320.0 ppb
2017-04-27443310SECND
2017-04-27443309SECND
2017-04-27443308SECND
2017-05-02443512SECND
2017-05-02443509SECND
2017-05-04443740SECND
2017-05-04443742ND
2017-05-04443741SECND
2017-05-11444252SECND
2017-05-16444483SECND
2017-05-18444733SECND
2017-05-30445322SECND
2017-06-15446366SECND
2017-06-15446365SECND
2017-06-28447101SECND
2017-06-28447099SECND
2017-07-05447424SECND
2017-07-05447432SECND
2017-07-12447967SECND
2017-07-12447969SECND
2017-07-12447968SECND
2017-07-24448791SECND
2017-07-26448934SECND
2017-07-26448935SECND
2017-08-09449964SECND
2017-08-09449963SEC200.0 ppb
2017-08-23450942SECND
2017-08-23450943SECND
2017-11-01455570SECND
2017-11-03455741SECND
2017-11-15456541SECND
2017-11-29457411SECND
2017-12-06457772SECND
2017-12-08457983SEC20.0 ppb
2018-01-128010316-01ND
2018-01-128010316-02SEC10.00 ppb
2018-01-228010547-01SECND
2018-01-248010621-02SEC290.0 ppb
2018-02-098020291-02ND
2018-02-098020291-01SECND
2018-02-218020664-01SECND
2018-02-218020663-01SECND
2018-04-028040010-01ND
2018-04-0280400010-02SECND
2018-06-2518062527-01SECND
2018-06-258061065-01SECND
2018-07-258071023-01SECND
2018-07-258071023-02SECND
2018-08-248081074-014SECND
2018-08-248081074-02SECND
2018-09-198090747-01SECND
2018-09-198090747-02SECND
2018-09-218090887-01SEC30.0 ppb
2018-10-018010621-01ND
2018-10-038100174-01SECND
2018-10-038100174-02SECND
2018-10-158100644-01SECND
2018-10-178100796-02ND
2018-10-198100901-01SECND
2018-11-268110940-01-SECND
2018-11-308111163-01SECND
2018-11-308111163-02ND
2018-12-058120156-01SECND
2018-12-058120157-01ND
2018-12-148120558-01SEC10.00 ppb
2019-01-09901030901SECND
2019-01-259010918-01SECND
2019-01-259010917-01SECND
2019-02-069020228-01SECND
2019-02-089020349-01SECND
2019-02-089020348-01SECND
2019-03-229030946-01ND
2019-03-229030945-01SECND
2019-04-019040033-01SEC150.0 ppb
2019-04-039040192-01SECND
2019-04-039040193-01SECND
2019-04-059040335-01SECND
2019-04-059040334-01SECND
2019-04-159040666-01SECND
2019-04-159040667-01SECND
2019-04-179040797-01ND
2019-05-179050831-02SECND
2019-05-179050831-01SECND
2019-06-0343125862.36 ppb
2019-06-0343125241.79 ppb
2019-06-0343125781.49 ppb
2019-06-0343125660.468 ppb
2019-06-044313870ND
2019-06-0543155780.437 ppb
2019-06-054315348ND
2019-06-054315319ND
2019-06-054315466ND
2019-06-064316326ND
2019-06-064316289ND
2019-06-064316345151.0 ppb
2019-06-104320468ND
2019-06-104320575ND
2019-06-10432059010.1 ppb
2019-06-1143221770.475 ppb
2019-06-114321825ND
2019-06-124326858ND
2019-06-134324918ND
2019-06-134325107ND
2019-06-134324864ND
2019-06-1343248542.79 ppb
2019-06-134235078ND
2019-06-19433056429.2 ppb
2019-06-2543354852.04 ppb
2019-06-25433547112.3 ppb
2019-06-2543354672.84 ppb
2019-06-2543354761.01 ppb
2019-06-2643369600.728 ppb
2019-06-2743383706.99 ppb
2019-06-2743393433.16 ppb
2019-06-289061206-02SECND
2019-07-059070248-01SECND
2019-07-059070285-01SECND
2019-07-234363183ND
2019-07-249071225-01SECND
2019-07-249071226-01SECND
2019-08-059080161-01SEC20.0 ppb
2019-08-079080340-01SECND
2019-08-199080934-02SECND
2019-09-0444097172.11 ppb
2019-09-0444098540.550 ppb
2019-10-169100816-01SECND
2019-10-289001324-01SECND
2019-11-279111241-01SECND
2019-12-0245030740.438 ppb
2019-12-0245030879.97 ppb
2019-12-0345031641.08 ppb
2019-12-034503120ND
2019-12-034503079ND
2019-12-044504392ND
2019-12-044504801ND
2019-12-044504500ND
2019-12-054505883ND
2019-12-0545059010.652 ppb
2019-12-054505907ND
2019-12-094510661ND
2019-12-0945101647.37 ppb
2019-12-094510190ND
2019-12-094510461ND
2019-12-094510195ND
2019-12-094510212ND
2019-12-094510465ND
2019-12-104510620ND
2019-12-104510171ND
2019-12-104510533ND
2019-12-114512213ND
2019-12-114511938290.0 ppb
2019-12-1145122300.417 ppb
2019-12-1245138993.31 ppb
2019-12-124513843ND
2019-12-164516328ND
2019-12-164516237ND
2019-12-1745199014.11 ppb
2019-12-188010316-01SECND
2019-12-198100796-01SECND
2020-01-164541719ND
2020-03-0545817170.612 ppb