Manganese
Cranberry Twp WTP
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 | 1.39 ppb | 2 | 2 | 1.15 ppb - 1.62 ppb |
| 2019 | 1.28 ppb | 8 | 8 | 0.850 ppb - 1.70 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 |
|---|---|---|
| 2019-03-11 | U9C0012-01 | 1.57 ppb |
| 2019-03-11 | U9C0012-02 | 1.70 ppb |
| 2019-06-25 | U9F0007-01 | 1.18 ppb |
| 2019-06-25 | U9F0007-02 | 1.36 ppb |
| 2019-09-23 | U9I0009-01 | 0.869 ppb |
| 2019-09-23 | U9I0009-02 | 0.850 ppb |
| 2019-12-10 | U9L0005-01 | 1.37 ppb |
| 2019-12-10 | U9L0005-02 | 1.33 ppb |