Tritium
Woodland-davis Clean 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.
10
Samples
0
Samples exceeding legal limit (MCL)
3
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 3 | 0 | ND |
| 2017 | 6,320.25 pCi/L | 4 | 3 | ND - 24,490.00 pCi/L |
| 2018 | 218.33 pCi/L | 3 | 1 | ND - 655.00 pCi/L |
| 2019 | N/A | 0 | 0 | N/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 |
|---|---|---|
| 2016-05-24 | 0010-002-1055 | ND |
| 2016-07-13 | 0010-002-0930 | ND |
| 2016-11-09 | 0010-002-1200 | ND |
| 2017-01-12 | 4470-002-1030 | 402.00 pCi/L |
| 2017-05-10 | 4470-002-1130 | 389.00 pCi/L |
| 2017-07-12 | 4470-002-1202 | ND |
| 2017-10-11 | 4470-002-1153 | 24,490.00 pCi/L |
| 2018-05-09 | 4470-002-1100 | 655.00 pCi/L |
| 2018-07-11 | 4470-002-1341 | ND |
| 2018-10-10 | 4470-002-1045 | ND |