Manganese
Pennsylvania American White Deer
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.
8
Samples
0
Samples exceeding legal limit (MCL)
2
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 14.5 ppb | 4 | 4 | 4.10 ppb - 23.0 ppb |
| 2019 | 151.4 ppb | 4 | 3 | ND - 450.0 ppb |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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 |
|---|---|---|
| 2018-07-09 | 40192701 | 9.00 ppb |
| 2018-07-09 | 40192801 | 23.0 ppb |
| 2018-10-09 | 41302301 | 4.10 ppb |
| 2018-10-09 | 41302401 | 22.0 ppb |
| 2019-01-07 | 42489601 | ND |
| 2019-01-07 | 42489701 | 155.0 ppb |
| 2019-04-08 | 43649001 | 0.570 ppb |
| 2019-04-08 | 43649101 | 450.0 ppb |