Manganese
Blue Ridge Water Company Inc
Manganese is a naturally occurring element that is common in food and drinking water. Excessive manganese exposures may impair children's attention, memory and intellectual capacity. Click here to read more about manganese.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | N/A | 0 | 0 | N/A |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | N/A | 0 | 0 | N/A |
2019 | 0.422 ppb | 2 | 1 | ND - 0.843 ppb |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 100 ppb
The EWG Health Guideline of 100 ppb for manganese was defined by the state of Minnesota as a health risk limit, the concentration of a contaminant that can be consumed with little or no risk to health. This health guideline protects against harm to the brain and nervous system.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2019-11-18 | 4493617 | 0.843 ppb |
2019-11-18 | 4493179 | ND |
2020-02-10 | 4562351 | 0.401 ppb |
2020-02-10 | 4562647 | 0.916 ppb |
2020-05-11 | 4626595 | 0.617 ppb |
2020-05-11 | 4626335 | 0.756 ppb |
2020-08-11 | 4698325 | 0.579 ppb |
2020-08-11 | 4698351 | ND |