Know Your Environment. Protect Your Health.

Thallium

Lavale Sanitary Commission

NOTE: Lavale Sanitary Commission purchases water from City of Cumberland which is required to test for thallium. Sample information shown below was taken by City of Cumberland.

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

NOTE: Lavale Sanitary Commission purchases water from City of Cumberland which is required to test for thallium. Sample information shown below was taken by City of Cumberland.

Date Lab ID Result
2018-04-048D05217_01ND
2018-06-18E18004529002ND
2019-04-109D12066_01ND
2020-04-018D05217-01ND
2020-05-06E20003537002ND
2021-04-141D1603701(1D2401401)ND
2021-06-15E21003722002ND
2022-07-18E2300011502ND
2023-04-128D05217-01ND