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EWG's Tap Water Database — 2019 UPDATE

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Mercury (inorganic)

Municipality of Anchorage

Mercury is a potent neurotoxin that also damages the kidneys and other internal organs. Mercury enters drinking water from industrial pollution, mining wastes and coal-fired power plants.

 

59

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND110ND
2013ND110ND
2014ND20ND
2015ND80ND
20160.113 ppb161ND - 1.80 ppb
2017ND110ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 1.2 ppb

The EWG Health Guideline of 1.2 ppb for mercury (inorganic) was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.

EPA Maximum Contaminant
Level (MCL) 2 ppb

The legal limit for inorganic mercury, established in 1991, was based on toxicity studies conducted in laboratory animals in the 1970s and 1980s. This limit does not include any additional consideration of children’s health.

ppb = parts per billion

All test results

Date Lab ID Result
2012-07-19II*2680904ND
2012-11-28II*2748542ND
2012-11-28II*2748541ND
2012-11-28II*2748540ND
2012-11-28II*2748539ND
2012-11-28II*2748538ND
2012-11-28II*2748537ND
2012-11-28II*2748536ND
2012-11-28II*2748535ND
2012-11-28II*2748533ND
2012-11-28II*2748534ND
2013-09-24II*A1309437-01DND
2013-10-25CG*A1310536-02DND
2013-10-25CG*A1310536-01DND
2013-10-25CG*A1310536-03DND
2013-10-25CG*A1310536-04DND
2013-10-25CG*A1310536-05DND
2013-10-31IG*A1310614-04DND
2013-10-31IG*A1310614-01DND
2013-10-31IG*A1310614-02DND
2013-10-31IG*A1310614-03DND
2013-11-08IG*A1311145-01DND
2014-05-13CG*A1405164-01DND
2014-09-09II*A1409133-01DND
2015-01-12CG*A1501154-01DND
2015-08-19CG*3308380ND
2015-08-20CG*3308713ND
2015-08-20CG*3308715ND
2015-08-20CG*3308717ND
2015-08-20CG*3308719ND
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*280-85921-1ND
2016-07-18CG*280-85921-21.80 ppb
2016-07-19CG*280-85945-1ND
2016-08-02CG*280-86589-1ND
2016-08-02CG*280-86590-1ND
2016-08-29CG*3537234ND
2016-08-29CG*3537235ND
2016-11-08CG*3584825ND
2016-12-06II*3601122ND
2016-12-06II*3601120ND
2016-12-06II*3601118ND
2016-12-06II*3601116ND
2016-12-06II*3601114ND
2017-08-21CG*3766063ND
2017-08-21CG*3766069ND
2017-08-21CG*3765103ND
2017-08-21CG*3765074ND
2017-08-28CG*3768896ND
2017-08-28CG*3768904ND
2017-08-28CG*3768880ND
2017-08-28CG*3768872ND
2017-08-29CG*3769505ND
2017-10-02CG*3792411ND
2017-10-31II*440-195632-1ND