Beryllium
Aquarion Water Company of Ct-ridgefield System
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 | 3 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 3 | 0 | ND |
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 |
---|---|---|
2014-03-06 | 201403209-IOC1 | ND |
2014-03-11 | 201403468-IOC1 | ND |
2014-06-18 | 201408467-IOC1 | ND |
2015-11-12 | 201516383-IOC1 | ND |
2015-11-12 | 201516384-IOC1 | ND |
2017-07-03 | 201709883-IOC1 | ND |
2017-07-03 | 201709879-IOC1 | ND |
2017-07-27 | 201711573-IOC1 | ND |