Beryllium
Westerly Water Department
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 | 12 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | 0.0250 ppb | 12 | 1 | ND - 0.300 ppb |
2018 | N/A | 0 | 0 | N/A |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|---|
2014-05-01 | BG39530-IOC | ND |
2014-05-01 | BG39529-IOC | ND |
2014-05-01 | BG39528-IOC | ND |
2014-05-02 | BG40111-IOC | ND |
2014-05-02 | BG40109-IOC | ND |
2014-05-06 | BG41004-IOC | ND |
2014-05-08 | BG42439-IOC | ND |
2014-05-13 | BG43968-IOC | ND |
2014-05-13 | BG43969-IOC | ND |
2014-05-14 | BG44525-IOC | ND |
2014-05-15 | BG45216_IOC | ND |
2014-05-15 | BG45214-IOC | ND |
2017-04-26 | BY10339_IOC | ND |
2017-04-26 | BY10336_IOC | ND |
2017-04-27 | BY11118_IOC | ND |
2017-04-27 | BY11114_IOC | ND |
2017-04-28 | BY11763_IOC | 0.300 ppb |
2017-04-28 | BY11770_IOC | ND |
2017-04-28 | BY11766_IOC | ND |
2017-05-02 | BY13338_IOC | ND |
2017-05-02 | BY13342_IOC | ND |
2017-05-03 | BY14008_IOC | ND |
2017-05-03 | BY14011_IOC | ND |
2017-05-16 | BY21039_IOC | ND |