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EWG's Tap Water Database — 2021 UPDATE

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Tritium

Lcra Tow Water System

Tritium is a radioactive element emitted from nuclear reactors and weapons production plants. Radiation from tritium and other radioactive substances increases the risk of cancer. Click here to read more on radiological contaminants.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015ND40ND
2016ND40ND
2017ND10ND
2018N/A00N/A
2019N/A00N/A

pCi/L = picocuries per liter

State and national drinking water standards and health guidelines

EWG Health Guideline 400 pCi/L

The EWG Health Guideline of 400 pCi/L for tritium 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 cancer.

pCi/L = picocuries per liter

All test results

Date Lab ID Result
2014-02-25AC44426ND
2014-04-09AC49929ND
2014-08-14AC63664ND
2014-12-10AC74511ND
2015-01-29AC78405ND
2015-04-13AC87927ND
2015-07-16AC99875ND
2015-11-24AD14497ND
2016-01-21AD19219ND
2016-04-27AD34362ND
2016-07-07AD43268ND
2016-10-24AD54264ND
2017-02-08AD69527ND