Beryllium
Cherokee MD
Beryllium is a toxic metal that is both naturally occurring and released into the environment from industrial pollution and incineration. Beryllium can damage lungs, bones and the digestive system.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 4 | 0 | ND |
2015 | ND | 7 | 0 | ND |
2016 | ND | 8 | 0 | ND |
2017 | ND | 6 | 0 | ND |
2018 | ND | 6 | 0 | ND |
2019 | ND | 5 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 1 ppb
The EWG Health Guideline of 1 ppb for beryllium 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 the stomach and intestines.
EPA Maximum Contaminant
Level (MCL) 4 ppb
The legal limit for beryllium, established in 1992, was based on a toxicity study in laboratory animals published in 1970. This limit does not include any additional consideration of children’s health.
ppb = parts per billion
All test results
Date | Result |
---|---|
2014-01-16 | ND |
2014-04-14 | ND |
2014-07-07 | ND |
2014-10-08 | ND |
2015-03-24 | ND |
2015-04-08 | ND |
2015-07-15 | ND |
2015-07-22 | ND |
2015-08-25 | ND |
2015-11-19 | ND |
2015-12-07 | ND |
2016-03-10 | ND |
2016-03-16 | ND |
2016-04-26 | ND |
2016-04-27 | ND |
2016-07-19 | ND |
2016-08-02 | ND |
2016-12-13 | ND |
2016-12-13 | ND |
2017-02-06 | ND |
2017-02-06 | ND |
2017-05-09 | ND |
2017-05-09 | ND |
2017-08-01 | ND |
2017-10-12 | ND |
2018-02-01 | ND |
2018-04-04 | ND |
2018-04-17 | ND |
2018-05-16 | ND |
2018-08-02 | ND |
2018-11-06 | ND |
2019-02-05 | ND |
2019-05-08 | ND |
2019-08-07 | ND |
2019-11-04 | ND |
2019-11-05 | ND |