Manganese
Crosby Municipal Utility District
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 | 9.90 ppb | 1 | 1 | 9.90 ppb |
| 2019 | 33.7 ppb | 1 | 1 | 33.7 ppb |
| 2020 | 8.30 ppb | 1 | 1 | 8.30 ppb |
| 2021 | 11.1 ppb | 1 | 1 | 11.1 ppb |
| 2022 | 4.20 ppb | 1 | 1 | 4.20 ppb |
| 2023 | 8.30 ppb | 1 | 1 | 8.30 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 |
|---|---|---|
| 2018-02-28 | AE15945 | 9.90 ppb |
| 2019-01-16 | AE50029 | 33.7 ppb |
| 2020-01-28 | AE95611 | 8.30 ppb |
| 2021-04-28 | AF51603 | 11.1 ppb |
| 2022-01-19 | AF80662 | 4.20 ppb |
| 2023-04-26 | AG38129 | 8.30 ppb |