Manganese
City of Mountain Home
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.
9
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 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | 0.522 ppb | 9 | 4 | ND - 1.50 ppb |
| 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 |
|---|---|---|
| 2020-06-29 | 20-22844-43483 | ND |
| 2020-06-29 | 20-22844-43484 | ND |
| 2020-06-29 | 20-22844-43485 | ND |
| 2020-06-29 | 20-22844-43486 | ND |
| 2020-06-29 | 20-22844-43487 | 0.700 ppb |
| 2020-06-29 | 20-22844-43488 | 1.50 ppb |
| 2020-06-29 | 20-22844-43489 | 1.40 ppb |
| 2020-06-29 | 20-22844-43490 | 1.10 ppb |
| 2020-08-17 | 20-29954-56805 | ND |