Manganese
Oil City Water Works
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 | 60.0 ppb | 2 | 2 | 60.0 ppb |
| 2019 | 81.0 ppb | 2 | 2 | 81.0 ppb |
| 2020 | 60.0 ppb | 1 | 1 | 60.0 ppb |
| 2021 | 30.0 ppb | 1 | 1 | 30.0 ppb |
| 2022 | 20.0 ppb | 1 | 1 | 20.0 ppb |
| 2023 | 288.3 ppb | 6 | 6 | 10.00 ppb - 580.0 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 |
|---|---|---|
| 2018-01-08 | 35367516001 | 60.0 ppb |
| 2018-01-08 | 35367516001 | 60.0 ppb |
| 2019-02-18 | 35449635001 | 81.0 ppb |
| 2019-02-18 | 35449635001 | 81.0 ppb |
| 2020-02-11 | B2000666-001 | 60.0 ppb |
| 2021-01-05 | B2100044-001 | 30.0 ppb |
| 2022-02-14 | B2200618-001 | 20.0 ppb |