Contaminants

Most common contaminants

Pfas

All Contaminants

What’s in your water?
Beryllium
Intestinal lesions
EWG guideline1 ppb
Legal limit4 ppb
ppb = Parts per billion
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.
States affected
35
Utilities affected
632
Population affected
9 377 915
What’s in your water?
States reporting contamination
State
Utilities
Above guidelines
Population affected
Nevada
1
0
8,5K
Rhode Island
6
0
48,6K
New Jersey
82
1
946,8K
Montana
3
1
420
Oregon
7
0
40,9K
Georgia
2
0
14,4K
South Carolina
6
0
74,6K
New York
42
3
570,8K
Pennsylvania
23
4
121,2K
New Hampshire
12
6
14,2K

Health guidelines

EWG guideline1 ppb
The 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 Maxiumum Contaminant Level (MCL)

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.

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