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EWG's Tap Water Database — 2019 UPDATE

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Antimony

Arrowhead By The Lake Association Inc.

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.

 

27

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND40ND
2013ND40ND
2014ND40ND
2015ND30ND
2016ND80ND
20170.200 ppb41ND - 0.800 ppb

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
2012-01-312012010296-1IOC1ND
2012-06-112012060101-1IOC1ND
2012-11-132012110101-1IOC1ND
2012-11-262012110208-1IOC1ND
2013-03-182013030174-1IOC1ND
2013-06-102013060107-2IOC1ND
2013-08-272013080248-1IOC1ND
2013-11-042013110027-1IOC1ND
2014-01-272014010217-1IOC1ND
2014-06-092014060085-1IOC1ND
2014-09-252014090219-2IOC1ND
2014-12-152014120108-2IOC1ND
2015-02-232015020152-2IOC1ND
2015-09-282015090174-1IOC1ND
2015-11-0384687CH 1ND
2016-01-1185766CH 2ND
2016-02-0886256CH 1ND
2016-02-0886257CH 1ND
2016-02-0886255CH 1ND
2016-02-1086313CH 1ND
2016-06-1588869GE 1ND
2016-09-0190534GE 1ND
2016-11-0992014GE 1ND
2017-02-1593587GE 1ND
2017-05-1095406GE 1ND
2017-08-3097714GE 1ND
2017-10-2598875GE 10.800 ppb