Know Your Environment. Protect Your Health.

Tritium

Dardanelle Waterworks

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)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018130.75 pCi/L41ND - 523.00 pCi/L
2019522.00 pCi/L11522.00 pCi/L
2020274.25 pCi/L42ND - 575.80 pCi/L
2021193.00 pCi/L21ND - 386.00 pCi/L
2022ND10ND
2023216.00 pCi/L11216.00 pCi/L

pCi/L = picocuries per liter

State, National, and Health Guidelines for Drinking Water

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
2018-03-19R180810013ND
2018-05-08R181310001ND
2018-07-09R181930017ND
2018-10-08R182840013523.00 pCi/L
2019-01-08R190100018522.00 pCi/L
2020-01-27R200300032521.20 pCi/L
2020-04-27R201220006575.80 pCi/L
2020-09-08R202540016ND
2020-11-23R203300007ND
2021-02-01R210350021ND
2021-05-03R211260009386.00 pCi/L
2022-05-03R221250026ND
2023-04-03GEL617121001216.00 pCi/L