Manganese
Huron, City of
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.
7
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 | 21.0 ppb | 1 | 1 | 21.0 ppb |
| 2019 | 33.0 ppb | 1 | 1 | 33.0 ppb |
| 2020 | 12.0 ppb | 1 | 1 | 12.0 ppb |
| 2021 | ND | 1 | 0 | ND |
| 2022 | 11.0 ppb | 1 | 1 | 11.0 ppb |
| 2023 | 16.0 ppb | 2 | 1 | ND - 32.0 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 |
|---|---|---|
| 2018-03-06 | CA1010044_001_001-201803060845 | 21.0 ppb |
| 2019-03-12 | CA1010044_001_001-201903121000 | 33.0 ppb |
| 2020-03-10 | CA1010044_001_001-202003100940 | 12.0 ppb |
| 2021-03-02 | CA1010044_001_001-202103020845 | ND |
| 2022-03-10 | CA1010044_001_001-202203100832 | 11.0 ppb |
| 2023-03-02 | CA1010044_001_001-202303020917 | ND |
| 2023-07-05 | CA1010044_001_001-202307051015 | 32.0 ppb |