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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Town of Hempstead Water Department

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

 

157

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20142.29 ppb354ND - 40.0 ppb
20151.11 ppb91ND - 10.00 ppb
2016138.6 ppb256ND - 3,400.0 ppb
2017ND170ND
20180.435 ppb231ND - 10.00 ppb
20195.35 ppb4825ND - 94.4 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
2014-02-0397973-SECND
2014-02-0498005-SEC20.0 ppb
2014-03-201403E39-006-SECND
2014-03-201403E39-004-SECND
2014-03-201403E39-003-SECND
2014-03-201403E39-009-SECND
2014-04-298539-04292014-SE10.00 ppb
2014-04-2998533-04292014-SND
2014-04-2998537-04292014-SND
2014-04-2998534-04292014-SND
2014-04-2998535-04292014-SND
2014-04-2998536-04292014-SND
2014-04-2998538-04292014-SND
2014-06-16098911-06162014-ND
2014-07-1499136-07142014-SND
2014-07-1499138-07142014-SND
2014-07-1499137-07142014-SND
2014-07-1499139-07142014-SND
2014-08-2799387-08272014-S10.00 ppb
2014-08-2799390-08272014-SND
2014-08-2799388-08272014-SND
2014-08-2799393-08272014-SND
2014-08-2799391-08272014-SND
2014-10-0199733-SEC40.0 ppb
2014-10-0299750-SECND
2014-11-17100000-SECND
2014-11-17100002-SECND
2014-11-17100001-11172014-ND
2014-11-1799997-11172014-SND
2014-12-01100116-12012014-ND
2014-12-01100120-SECND
2014-12-01100117-12012014-ND
2014-12-01100114-12012014-ND
2014-12-01100115-12012014-ND
2014-12-04100121-12012014-ND
2015-01-12100350-01122015-10.00 ppb
2015-01-12100352-01122015-ND
2015-01-12100351-01122015-ND
2015-01-12100355-01122015-ND
2015-02-10100534ND
2015-03-02100546-03022015-ND
2015-03-02100548-03022015-ND
2015-03-024100547-03022015ND
2015-03-02100549-03022015-ND
2016-02-041602447-002 SECND
2016-03-311603P15-003ND
2016-03-311603P15-002-SECND
2016-03-311603P15-004-SECND
2016-03-311603P15-001-SECND
2016-04-041604218-004-SECND
2016-04-041604218-003-SECND
2016-04-041604218-006-SECND
2016-04-041604218-001-SECND
2016-04-041604218-002-SECND
2016-04-041604218-005-SECND
2016-04-251604M30-002-SEC15.0 ppb
2016-04-251604M30-001-SEC15.0 ppb
2016-04-251604M30-006-SECND
2016-04-251604M30-005-SECND
2016-04-251604M30-004-SEC11.0 ppb
2016-04-251604M30-003-SEC12.0 ppb
2016-05-191605I29-006-SECND
2016-05-191605I29-007-SECND
2016-06-031606334-002-SEC12.0 ppb
2016-06-161606G41-006-SEC3,400.0 ppb
2016-06-161606G41-003-SECND
2016-06-291606S43-003-SECND
2016-08-311608S39-003-SECND
2016-08-311608S39-005-SECND
2017-01-307010148004-SECND
2017-01-307010148001-SECND
2017-01-307010148007-SECND
2017-01-307010148003-SECND
2017-01-307010148002--SECND
2017-02-137011165008-SECND
2017-02-137011165005-SECND
2017-02-137011165006-SECND
2017-02-137011165007-SECND
2017-02-277012180003-SECND
2017-02-277012180006-SECND
2017-02-277012180009-SECND
2017-02-277012180005-SECND
2017-05-027017470003-SECND
2017-05-317019963005-SECND
2017-07-137024011003-SECND
2017-10-257034010003-SECND
2018-01-167040464002-SECND
2018-01-297041520010-SECND
2018-01-297041520004-SECND
2018-01-297041520003-SECND
2018-01-307041659002-SECND
2018-04-137048404001-SECND
2018-04-207049155004-SECND
2018-04-207049155003-SECND
2018-04-207049155005-SECND
2018-04-207049155002-SEC10.00 ppb
2018-04-207049155001-SECND
2018-04-267049700003-SECND
2018-04-267049700004-SECND
2018-05-097051103001-SECND
2018-05-117051444004ND
2018-05-297052946006-SECND
2018-05-297052946009-SECND
2018-06-287056573001-SECND
2018-07-307059788001-SECND
2018-07-307059788008-SECND
2018-07-307059788007-SECND
2018-07-307059788004-SECND
2018-07-307059788006-SECND
2019-01-247077506007-SECND
2019-01-247077506009-SECND
2019-01-247077506003-SECND
2019-01-247077506004-SECND
2019-01-247077506005-SECND
2019-01-247077506006-SECND
2019-01-297077854005-SECND
2019-01-297077854001-SECND
2019-02-067078608007-SECND
2019-02-067078608005-SECND
2019-02-067078608003-SECND
2019-03-087081859001SEA15.90 ppb
2019-03-087081859003SEA12.50 ppb
2019-03-087081859004SEA18.10 ppb
2019-03-087081859002SEA12.90 ppb
2019-03-087081859005SEA11.30 ppb
2019-03-187082694001SEA17.00 ppb
2019-03-187082694002SEA15.70 ppb
2019-03-187082694003SEA10.500 ppb
2019-03-187082694004SEA16.50 ppb
2019-03-277083555001SEA11.80 ppb
2019-03-277083555004SEA12.10 ppb
2019-03-277083555003SEA10.900 ppb
2019-03-277083555002SEA194.4 ppb
2019-05-157089637006-SECND
2019-05-157089637001-SECND
2019-05-157089637003-SECND
2019-05-157089637002-SECND
2019-05-157089637005-SECND
2019-06-047091931001-SECND
2019-06-277095546003ND
2019-06-277095546004-SECND
2019-06-277095546002-SECND
2019-06-277095546005-SECND
2019-08-1670101758001-SECND
2019-09-1770105265001SEA27.30 ppb
2019-09-1770105265002SEA27.50 ppb
2019-09-1770105265003SEA22.00 ppb
2019-09-1770105265004SEA21.80 ppb
2019-09-1770105265005SEA22.40 ppb
2019-09-1870105439001SEA24.10 ppb
2019-09-1870105439002SEA280.8 ppb
2019-09-1870105439003SEA21.70 ppb
2019-09-2070105784001SEA24.30 ppb
2019-09-2070105784002SEA21.50 ppb
2019-09-2070105784003SEA21.90 ppb
2019-09-2070105784004SEA22.10 ppb
2019-10-2870109880001SEA2ND