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EWG's Tap Water Database — 2021 UPDATE

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Tritium

Castaic Lake Water Agency

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.

 

19

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014140.33 pCi/L31ND - 421.00 pCi/L
2015ND50ND
2016ND30ND
2017ND20ND
2018ND30ND
2019ND30ND

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
2014-07-305867-006-0930421.00 pCi/L
2014-07-305867-005-0830ND
2014-11-215867-004-1155ND
2015-01-145867-004-1220ND
2015-04-142920-004-1315ND
2015-07-232920-005-0840ND
2015-07-232920-006-0940ND
2015-07-232920-004-0750ND
2016-07-202920-005-1035ND
2016-07-202920-006-1215ND
2016-07-202920-004-1035ND
2017-07-262920-006-1405ND
2017-07-262920-004-1140ND
2018-07-250010-004-1230ND
2018-07-250010-005-1310ND
2018-07-250010-006-1350ND
2019-07-312920-004-1000ND
2019-07-312920-005-1040ND
2019-07-312920-006-1125ND