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EWG's Tap Water Database — 2021 UPDATE

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Manganese

Valencia 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

 

152

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND190ND
2015ND190ND
2016ND190ND
2017ND190ND
2018ND180ND
20191.90 ppb5815ND - 23.0 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
2014-07-029590-021-0800ND
2014-07-029590-052-0800ND
2014-07-029590-062-0835ND
2014-07-099590-005-0800ND
2014-07-099590-018-0810ND
2014-07-099590-024-0925ND
2014-07-099590-026-0845ND
2014-07-099590-058-0850ND
2014-07-169590-017-1120ND
2014-07-169590-025-0910ND
2014-07-169590-046-1030ND
2014-07-169590-049-0800ND
2014-07-169590-051-0830ND
2014-07-169590-070-0945ND
2014-07-239590-003-0815ND
2014-07-239590-004-0930ND
2014-07-239590-047-0900ND
2014-07-239590-048-0900ND
2014-07-239590-073-0945ND
2015-07-099590-021-1000ND
2015-07-099590-052-0830ND
2015-07-099590-062-0930ND
2015-07-169590-005-0955ND
2015-07-169590-018-0915ND
2015-07-169590-024-0830ND
2015-07-169590-026-0925ND
2015-07-169590-058-0942ND
2015-07-239590-017-1104ND
2015-07-239590-025-0932ND
2015-07-239590-046-0945ND
2015-07-239590-049-1002ND
2015-07-239590-051-1034ND
2015-07-239590-070-1015ND
2015-07-309590-003-0810ND
2015-07-309590-004-0955ND
2015-07-309590-047-1015ND
2015-07-309590-048-0915ND
2015-07-309590-073-0840ND
2016-07-149590-005-0832ND
2016-07-149590-018-0852ND
2016-07-149590-021-1014ND
2016-07-149590-024-0803ND
2016-07-149590-026-0816ND
2016-07-149590-052-1001ND
2016-07-149590-058-0913ND
2016-07-149590-062-1024ND
2016-07-219590-017-0955ND
2016-07-219590-046-0902ND
2016-07-219590-051-1018ND
2016-07-219590-070-0923ND
2016-07-289590-003-0906ND
2016-07-289590-004-1007ND
2016-07-289590-025-1105ND
2016-07-289590-047-1016ND
2016-07-289590-048-1030ND
2016-07-289590-049-0946ND
2016-07-289590-073-0926ND
2017-07-069588-021-0910ND
2017-07-069588-052-0940ND
2017-07-069588-062-0920ND
2017-07-139588-005-0839ND
2017-07-139588-018-0851ND
2017-07-139588-024-0808ND
2017-07-139588-026-0819ND
2017-07-139588-058-0906ND
2017-07-209588-017-1010ND
2017-07-209588-025-0905ND
2017-07-209588-046-0920ND
2017-07-209588-049-0955ND
2017-07-209588-051-1030ND
2017-07-209588-070-0940ND
2017-07-279588-003-0845ND
2017-07-279588-004-0825ND
2017-07-279588-047-0820ND
2017-07-279588-048-0945ND
2017-07-279588-073-0750ND
2018-07-059590-021-0947ND
2018-07-059590-052-1020ND
2018-07-059590-062-1000ND
2018-07-129590-005-0820ND
2018-07-129590-018-0835ND
2018-07-129590-024-0800ND
2018-07-129590-026-0810ND
2018-07-129590-058-0845ND
2018-07-199590-017-0935ND
2018-07-199590-025-0750ND
2018-07-199590-046-0825ND
2018-07-199590-049-0850ND
2018-07-199590-051-0905ND
2018-07-199590-070-0805ND
2018-07-269590-003-0910ND
2018-07-269590-004-1010ND
2018-07-269590-047-0955ND
2018-07-269590-073-0850ND
2019-01-03201901020114ND
2019-01-03201901020115ND
2019-01-03201901020116ND
2019-01-0920190102016713.0 ppb
2019-01-092019010201695.80 ppb
2019-01-09201901020170ND
2019-01-09201901020172ND
2019-01-092019010201750.740 ppb
2019-01-10201811020493ND
2019-01-10201811020494ND
2019-01-10201811020495ND
2019-01-10201811020496ND
2019-01-10201811020497ND
2019-01-10201811020498ND
2019-01-10201811020499ND
2019-01-16201901020163ND
2019-01-1620190102016518.0 ppb
2019-01-16201901020166ND
2019-01-16201901020168ND
2019-01-16201901020171ND
2019-01-16201901020176ND
2019-01-2420190102016410.00 ppb
2019-01-24201901020173ND
2019-01-24201901020174ND
2019-01-24201901020177ND
2019-04-11201902010001ND
2019-04-11201902010002ND
2019-04-112019020100030.410 ppb
2019-04-11201902010004ND
2019-04-11201902010005ND
2019-04-11201902010006ND
2019-04-112019020100071.10 ppb
2019-07-109590-005-1045ND
2019-07-109590-018-1115ND
2019-07-109590-024-0910ND
2019-07-109590-026-0945ND
2019-07-109590-058-1140ND
2019-07-119590-021-0925ND
2019-07-119590-052-1045ND
2019-07-119590-062-1000ND
2019-07-179590-017-0910ND
2019-07-179590-025-0840ND
2019-07-179590-046-0945ND
2019-07-179590-049-0840ND
2019-07-179590-051-1005ND
2019-07-179590-070-0920ND
2019-07-249590-003-0955ND
2019-07-249590-004-1010ND
2019-07-249590-047-093023.0 ppb
2019-07-249590-073-0915ND
2019-10-102019080400166.00 ppb
2019-10-102019080400176.00 ppb
2019-10-102019080400182.20 ppb
2019-10-102019080400196.00 ppb
2019-10-102019080400205.50 ppb
2019-10-102019080400216.00 ppb
2019-10-102019080400226.20 ppb
2019-11-219590-048-1120ND