Manganese
City of Lyford
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 | 29.3 ppb | 1 | 1 | 29.3 ppb |
| 2019 | 23.4 ppb | 1 | 1 | 23.4 ppb |
| 2020 | 6.40 ppb | 1 | 1 | 6.40 ppb |
| 2021 | 52.3 ppb | 1 | 1 | 52.3 ppb |
| 2022 | 40.4 ppb | 1 | 1 | 40.4 ppb |
| 2023 | 83.0 ppb | 1 | 1 | 83.0 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 |
|---|---|---|
| 2018-02-23 | AE15311 | 29.3 ppb |
| 2019-04-01 | AE60614 | 23.4 ppb |
| 2020-05-08 | AF10309 | 6.40 ppb |
| 2021-01-29 | AF41814 | 52.3 ppb |
| 2022-04-21 | AF93980 | 40.4 ppb |
| 2023-01-17 | AG24617 | 83.0 ppb |