Manganese
Lakeway Harbor 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)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 64.0 ppb | 1 | 1 | 64.0 ppb |
| 2019 | 27.0 ppb | 1 | 1 | 27.0 ppb |
| 2020 | 32.0 ppb | 1 | 1 | 32.0 ppb |
| 2021 | 47.0 ppb | 1 | 1 | 47.0 ppb |
| 2022 | 52.0 ppb | 1 | 1 | 52.0 ppb |
| 2023 | 9.20 ppb | 1 | 1 | 9.20 ppb |
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 |
|---|---|---|
| 2018-02-14 | Q1806270001 | 64.0 ppb |
| 2019-03-20 | Q1911659003 | 27.0 ppb |
| 2020-03-18 | Q2012015004 | 32.0 ppb |
| 2021-03-10 | Q2106424004 | 47.0 ppb |
| 2022-01-10 | Q2200510002 | 52.0 ppb |
| 2023-01-12 | Q2301979005 | 9.20 ppb |