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EWG's Tap Water Database — 2019 UPDATE

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Antimony

Rockford

Antimony is a naturally occurring metal that enters tap water from plumbing fittings and also from industrial uses, such as production of metal alloys, batteries and plastics. Antimony causes organ damage and shortens lifespans in studies of laboratory animals.

 

55

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND20ND
2013ND30ND
2014ND220ND
2015ND30ND
2016ND20ND
2017ND230ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 1 ppb

The EWG Health Guideline of 1 ppb for antimony 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 change to the stomach and intestines.

EPA Maximum Contaminant
Level (MCL) 6 ppb

The legal limit for antimony, established in 1992, was based on a toxicity study in laboratory animals published in 1970. This limit does not include any additional consideration of children’s health.

ppb = parts per billion

All test results

Date Lab ID Result
2012-01-242012864-04ND
2012-04-252043207-04ND
2013-06-253063688-01ND
2013-11-133111834-01ND
2013-12-034013379-01ND
2014-01-214012700-03ND
2014-01-214012700-04ND
2014-01-214012700-06ND
2014-01-214012700-05ND
2014-01-224012700-02ND
2014-01-224012700-01ND
2014-01-274013503-02ND
2014-01-284013503-01ND
2014-01-314020631-05ND
2014-01-314020631-04ND
2014-01-314020631-01ND
2014-01-314020631-02ND
2014-01-314020631-03ND
2014-02-184022289-01ND
2014-02-184022291-01ND
2014-02-254023202-01ND
2014-07-234073622-05ND
2014-07-234073622-04ND
2014-07-234073622-01ND
2014-10-284104357-01ND
2014-12-054121752-01ND
2014-12-124122805-01ND
2015-01-285013651-04ND
2015-04-155042507-02ND
2015-06-175062896-01ND
2016-10-126102040-01ND
2016-12-146122205-01ND
2017-01-067011622-02ND
2017-01-067011622-01ND
2017-01-137012603-03ND
2017-01-137012603-01ND
2017-01-137012600-04ND
2017-01-137012603-02ND
2017-01-137012600-01ND
2017-01-137012600-02ND
2017-01-207013468-02ND
2017-01-207013468-04ND
2017-01-207013468-01ND
2017-02-037021369-01ND
2017-02-037021369-02ND
2017-02-107022427-01ND
2017-03-087031384-01ND
2017-05-267055219-01ND
2017-07-247075084-02ND
2017-07-247075084-03ND
2017-07-247075084-05ND
2017-07-247075084-06ND
2017-07-247075084-07ND
2017-10-137103385-03ND
2017-12-067121184-03ND