Know Your Environment. Protect Your Health.

Antimony

Colorado City Md

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.0790 ppb330.0500 ppb - 0.130 ppb
20190.0315 ppb21ND - 0.0630 ppb
20200.326 ppb220.0710 ppb - 0.580 ppb
20210.0600 ppb21ND - 0.120 ppb
2022ND10ND
2023ND20ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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 Result
2018-01-170.130 ppb
2018-01-170.0500 ppb
2018-04-240.0570 ppb
2019-01-29ND
2019-01-290.0630 ppb
2020-01-140.580 ppb
2020-01-140.0710 ppb
2021-11-100.120 ppb
2021-11-10ND
2022-02-23ND
2023-09-26ND
2023-10-02ND