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EWG's Tap Water Database — 2019 UPDATE

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Manganese

Municipality of Anchorage

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.

 

57

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201211.3 ppb112ND - 124.0 ppb
201312.7 ppb128ND - 150.0 ppb
20143.39 ppb21ND - 6.78 ppb
201511.1 ppb132ND - 140.0 ppb
201613.1 ppb112ND - 140.0 ppb
2017ND80ND

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
2012-07-19WQ*A1207321-01L0.502 ppb
2012-11-28CG*A1211347-02DND
2012-11-28CG*A1211347-01DND
2012-11-28CG*A1211347-10D124.0 ppb
2012-11-28CG*A1211347-09DND
2012-11-28CG*A1211347-08DND
2012-11-28CG*A1211347-06DND
2012-11-28CG*A1211347-05DND
2012-11-28CG*A1211347-04DND
2012-11-28CG*A1211347-07DND
2012-11-28CG*A1211347-03DND
2013-04-04CG*A1304163-01CND
2013-09-24CG*A1309437-01B0.425 ppb
2013-10-25CG*A1310536-01BND
2013-10-25CG*A1310536-02B0.288 ppb
2013-10-25CG*A1310536-03BND
2013-10-25CG*A1310536-04B0.266 ppb
2013-10-25CG*A1310536-05B0.292 ppb
2013-10-31CG*A1310614-01BND
2013-10-31CG*A1310614-04B150.0 ppb
2013-10-31CG*A1310614-03B0.509 ppb
2013-10-31CG*A1310614-02B0.283 ppb
2013-11-08CG*A1311145-01B0.614 ppb
2014-05-13CG*A1405164-01D6.78 ppb
2014-09-09CG*A1409133-01BND
2015-01-12CG*A1501154-01D3.88 ppb
2015-08-18CG*3306217ND
2015-08-18CG*3306216ND
2015-08-18CG*3306214ND
2015-08-18CG*3306156ND
2015-08-18CG*3306215ND
2015-08-19WQ*3308380ND
2015-08-20CG*3308713ND
2015-08-20CG*3308715ND
2015-08-20CG*3308717ND
2015-08-20CG*3308719140.0 ppb
2015-09-23CG*3329851ND
2015-10-30CG*3352000ND
2016-07-13CG*280-85692-1ND
2016-07-13CG*280-85692-2ND
2016-07-13CG*280-85692-4ND
2016-07-18CG*280-85921-2ND
2016-07-18CG*280-85921-1ND
2016-07-19CG*280-85945-1ND
2016-08-02CG*280-86589-1ND
2016-08-02CG*280-86590-1ND
2016-08-29CG*280-87677-3140.0 ppb
2016-08-29WQ*280-87677-1ND
2016-11-08CG*35848254.00 ppb
2017-08-21CG*3765103ND
2017-08-21CG*3766063ND
2017-08-28CG*3768872ND
2017-08-28CG*3768880ND
2017-08-28CG*3768896ND
2017-08-28CG*3768904ND
2017-10-02CG*3792411ND
2017-10-31CG*440-195632-1ND