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EWG's Tap Water Database

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Mercury (inorganic)

James Fork Regional Water District

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.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010ND10ND
2011ND10ND
2012ND20ND
2013ND10ND
2014ND10ND
2015ND10ND

ppb = parts per billion.

State and national drinking water standards and health guidelines

Health Guideline 1.2 ppb

The 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.

ppb = parts per billion.

EPA Maximum Contaminant
Level (MCL) 2 ppb

The enforceable federal standard that defines the highest level of a contaminant allowed in drinking water.

ppb = parts per billion.

EPA Maximum Contaminant
Level Goal (MCLG)2 ppb

A non-enforceable federal health guideline. For cancer-causing chemicals, these health goals are typically set to zero.

ppb = parts per billion.

All test results

Date Lab ID Result
2010-03-15100760019ND
2011-02-22110550016ND
2012-01-03Y120060008ND
2012-01-03120060008ND
2013-01-29130310017ND
2014-01-27140300018ND
2015-01-20Y150230001ND