Manganese
Pennsylvania American Water Company - Hershey
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)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 8.05 ppb | 2 | 2 | 3.10 ppb - 13.0 ppb |
| 2019 | 6.67 ppb | 6 | 5 | ND - 21.0 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 |
|---|---|---|
| 2018-11-12 | 41757001 | 3.10 ppb |
| 2018-11-12 | 41757101 | 13.0 ppb |
| 2019-02-11 | 42845101 | ND |
| 2019-02-11 | 42845201 | 21.0 ppb |
| 2019-05-13 | 44004201 | 3.10 ppb |
| 2019-05-13 | 44004301 | 7.60 ppb |
| 2019-08-12 | 45813301 | 5.40 ppb |
| 2019-08-12 | 45813401 | 2.90 ppb |