Know Your Environment. Protect Your Health.

Thallium

Solano Irrigation District - Pleasant Hills Ranch

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND60ND
2019ND30ND
2020ND20ND
2021ND10ND
2022ND20ND
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
2018-05-10CA4810025_004_004-201805101015ND
2018-05-10CA4810025_004_005-201805101000ND
2018-08-23CA4810025_004_004-201808230920ND
2018-08-23CA4810025_004_005-201808230945ND
2018-11-15CA4810025_004_004-201811151120ND
2018-11-15CA4810025_004_005-201811151110ND
2019-03-12CA4810025_002_002-201903120905ND
2019-03-18CA4810025_001_001-201903181000ND
2019-03-18CA4810025_004_005-201903181000ND
2020-03-10CA4810025_002_002-202003100815ND
2020-03-17CA4810025_004_005-202003170905ND
2021-03-23CA4810025_004_005-202103231040ND
2022-03-15CA4810025_004_005-202203151100ND
2022-03-15CA4810025_002_002-202203150737ND
2023-03-23CA4810025_004_005-202303230940ND