Manganese
City of Pendleton
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.
9
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 | 3.99 ppb | 8 | 7 | ND - 21.6 ppb |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 1 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2018-01-22 | 18-02534-5075 | 2.00 ppb |
| 2018-04-16 | 18-13403-27897 | 21.6 ppb |
| 2018-04-18 | 18-13403-27903 | 4.40 ppb |
| 2018-04-18 | 18-13403-27904 | 1.50 ppb |
| 2018-07-25 | 18-27634-56184 | 1.000 ppb |
| 2018-10-15 | 18-39245-79666 | 0.700 ppb |
| 2018-10-15 | 18-39245-79667 | 0.700 ppb |
| 2018-10-15 | 18-39245-79668 | ND |
| 2020-12-16 | 2044841-I | ND |