Manganese
Snow Creek Heights Water System
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 | N/A | 0 | 0 | N/A |
| 2019 | 48.9 ppb | 6 | 4 | ND - 145.0 ppb |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | 34.5 ppb | 2 | 2 | 11.9 ppb - 57.1 ppb |
| 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 |
|---|---|---|
| 2019-07-30 | CC09367-01 | 145.0 ppb |
| 2019-09-17 | CC16039-01 | ND |
| 2019-09-24 | CC13743-01 | 104.0 ppb |
| 2019-10-22 | CC17291-01 | 29.5 ppb |
| 2019-10-22 | CC17291-02 | ND |
| 2019-10-22 | CC17291-03 | 14.6 ppb |
| 2022-09-01 | CF08200-01 | 57.1 ppb |
| 2022-09-01 | CF08200-02 | 11.9 ppb |