Manganese
Eugene Water & Electric Board
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 | 0.604 ppb | 4 | 4 | 0.490 ppb - 0.732 ppb |
| 2019 | ND | 1 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 2 | 0 | ND |
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 |
|---|---|---|
| 2018-03-07 | 201803080543 | 0.652 ppb |
| 2018-06-05 | 201806061116 | 0.732 ppb |
| 2018-09-04 | 201809050500 | 0.490 ppb |
| 2018-12-05 | 201812060562 | 0.540 ppb |
| 2019-11-04 | 201911051086-I | ND |
| 2023-02-06 | 23020244-01C-I | ND |
| 2023-05-08 | 23050406-01C-I | ND |