Manganese
Shangri La Subdivision
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)
1
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 87.5 ppb | 2 | 2 | 45.0 ppb - 130.0 ppb |
| 2019 | 22.0 ppb | 1 | 1 | 22.0 ppb |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | 25.2 ppb | 2 | 2 | 4.30 ppb - 46.0 ppb |
| 2022 | 29.0 ppb | 1 | 1 | 29.0 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 |
|---|---|---|
| 2018-11-12 | Q1845459003 | 45.0 ppb |
| 2018-11-12 | Q1845459004 | 130.0 ppb |
| 2019-06-19 | Q1937663013 | 22.0 ppb |
| 2021-03-16 | Q2106817008 | 46.0 ppb |
| 2021-03-16 | Q2106817009 | 4.30 ppb |
| 2022-03-22 | Q2209179003 | 29.0 ppb |