Manganese
Aqua Pa Roaring Creek Division
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.
6
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 | 12.1 ppb | 6 | 6 | 1.11 ppb - 53.3 ppb |
| 2019 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2018-03-20 | 7045976008SEA1 | 53.3 ppb |
| 2018-03-20 | 7045977001SEA1 | 3.90 ppb |
| 2018-06-20 | 3972371 | 2.95 ppb |
| 2018-09-25 | 4068734 | 9.70 ppb |
| 2018-09-25 | 4068730 | 1.80 ppb |
| 2018-12-12 | 4148270 | 1.11 ppb |