Know Your Environment. Protect Your Health.

Thallium

Perry Point V.a. Medical Center

Thalium is a naturally occurring metal released into the environment from metal smelting and coal burning. Exposure to too much thalium can cause hair loss, liver damage, reduced sperm motility and nervous system impairment.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND20ND
2022ND30ND
2023ND10ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.1 ppb

The EWG Health Guideline of 0.1 ppb for thallium 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 thallium, established in 1992, was based on analytical detection limits at the time that the standard was set.

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-1935233ND
2018-05-21E18004190002ND
2019-02-079021779_01ND
2019-09-199093109_01ND
2020-02-26E20002897001ND
2020-09-030091555_01ND
2021-06-16E21003736002ND
2021-09-020070017_090221_TP01ND
2022-02-032B01641_01ND
2022-06-290070017ND
2022-09-012I01244-01ND
2023-09-073I01887-01ND