Beryllium
Regional Water Authority
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 | 10 | 0 | ND |
2015 | ND | 10 | 0 | ND |
2016 | ND | 10 | 0 | ND |
2017 | ND | 11 | 0 | ND |
2018 | ND | 10 | 0 | ND |
2019 | ND | 11 | 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 | Lab ID | Result |
---|---|---|
2014-02-25 | IOC1 200391600 | ND |
2014-02-25 | IOC1 200391616 | ND |
2014-02-25 | IOC1 200391617 | ND |
2014-02-25 | IOC1 200391618 | ND |
2014-02-25 | IOC1 200391619 | ND |
2014-02-25 | IOC1 200391620 | ND |
2014-02-25 | IOC1 200391653 | ND |
2014-02-25 | IOC1 200391599 | ND |
2014-05-13 | IOC1 200395860 | ND |
2014-05-13 | IOC1 200395855 | ND |
2015-02-10 | IOC1 200411859 | ND |
2015-02-10 | IOC1 200411862 | ND |
2015-02-10 | IOC1 200411860 | ND |
2015-02-10 | IOC1 200411845 | ND |
2015-02-10 | IOC1 200411846 | ND |
2015-02-10 | IOC1 200411863 | ND |
2015-02-10 | IOC1 200411876 | ND |
2015-05-05 | IOC1 200416148 | ND |
2015-05-05 | IOC1 200416168 | ND |
2015-05-05 | IOC1 200416175 | ND |
2016-02-09 | IOC1 200433411 | ND |
2016-02-09 | IOC1 200433414 | ND |
2016-02-09 | IOC1 200433412 | ND |
2016-02-09 | IOC1 200433413 | ND |
2016-02-09 | IOC1 200433479 | ND |
2016-02-09 | IOC1 200433397 | ND |
2016-02-09 | IOC1 200433398 | ND |
2016-02-09 | IOC1 200433415 | ND |
2016-02-09 | IOC1 200433425 | ND |
2016-05-12 | IOC1 200439513 | ND |
2017-03-21 | IOC1 200462777 | ND |
2017-03-21 | IOC1 200462742 | ND |
2017-03-21 | IOC1 200462743 | ND |
2017-03-21 | IOC1 200462757 | ND |
2017-03-21 | IOC1 200462756 | ND |
2017-03-21 | IOC1 200462741 | ND |
2017-03-21 | IOC1 200462740 | ND |
2017-03-21 | IOC1 200462739 | ND |
2017-03-21 | IOC1 200462793 | ND |
2017-06-20 | IOC1 200469812 | ND |
2017-06-20 | IOC1 200469827 | ND |
2018-03-12 | IOC1 200489766 | ND |
2018-03-14 | IOC1 200489913 | ND |
2018-03-14 | IOC1 200489914 | ND |
2018-03-14 | IOC1 200489871 | ND |
2018-03-14 | IOC1 200489885 | ND |
2018-03-14 | IOC1 200489884 | ND |
2018-03-14 | IOC1 200489868 | ND |
2018-03-14 | IOC1 200489870 | ND |
2018-03-14 | IOC1 200489867 | ND |
2018-11-29 | IOC1 200514112 | ND |
2019-03-18 | IOC1 200524895 | ND |
2019-03-19 | IOC1 200525057 | ND |
2019-03-19 | IOC1 200525060 | ND |
2019-03-19 | IOC1 200525058 | ND |
2019-03-19 | IOC1 200525059 | ND |
2019-03-19 | IOC1 200525077 | ND |
2019-03-19 | IOC1 200525078 | ND |
2019-03-19 | IOC1 200525061 | ND |
2019-03-19 | IOC1 200525097 | ND |
2019-03-19 | IOC1 200525098 | ND |
2019-05-08 | IOC1 200531297 | ND |