Beryllium
California Water Service - Bear Gulch
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | N/A | 0 | 0 | N/A |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 6 | 0 | ND |
2017 | ND | 8 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 4 | 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 |
---|---|---|
2016-02-16 | 5810-002-1045 | ND |
2016-02-16 | 5810-907-1135 | ND |
2016-03-07 | 5701-002-1459 | ND |
2016-04-18 | 5701-002-1123 | ND |
2016-05-02 | 5701-002-1328 | ND |
2016-06-30 | 5701-909-0849 | ND |
2017-02-08 | 5701-002-0939 | ND |
2017-02-15 | 5810-002-1243 | ND |
2017-02-15 | 5810-907-1256 | ND |
2017-03-06 | 5701-002-1339 | ND |
2017-05-10 | 5701-002-1335 | ND |
2017-06-19 | 5701-002-1338 | ND |
2017-11-27 | 5701-002-1112 | ND |
2017-12-06 | 5701-002-1335 | ND |
2018-01-08 | 5701-002-0931 | ND |
2018-02-06 | 5701-002-1039 | ND |
2018-02-07 | 5810-002-1229 | ND |
2018-02-07 | 5810-907-1213 | ND |
2019-01-30 | 5701-002-1241 | ND |
2019-02-19 | 5701-002-1311 | ND |
2019-02-20 | 5810-907-1344 | ND |
2019-02-26 | 5810-002-1416 | ND |