Know Your Environment. Protect Your Health.

Thallium

Desoto PWS

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.

 

26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND50ND
2021ND40ND
2022ND40ND
2023ND50ND

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
2018-01-29AD11506ND
2018-04-24AD18230ND
2018-07-18AD29472ND
2018-10-17AD34621ND
2019-01-08AD37930ND
2019-04-17AD46361ND
2019-07-24AD52138ND
2019-10-22AD56916ND
2020-01-29AD60675ND
2020-04-162004612ND
2020-07-272012228ND
2020-10-262013354ND
2020-10-262017107ND
2021-01-252020535ND
2021-04-192104193ND
2021-07-192114286ND
2021-10-262118718ND
2022-01-242122232ND
2022-04-132204846ND
2022-07-112215450ND
2022-10-162220249ND
2023-01-232223701ND
2023-04-242303893ND
2023-07-172312294ND
2023-08-142313803ND
2023-10-232317338ND