Manganese
Findlay Township Municipal Authority
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.
8
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 | N/A | 0 | 0 | N/A |
| 2019 | 0.870 ppb | 4 | 4 | 0.494 ppb - 1.31 ppb |
| 2020 | 3.02 ppb | 4 | 4 | 1.03 ppb - 5.22 ppb |
| 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 |
|---|---|---|
| 2019-07-24 | 4364128 | 0.494 ppb |
| 2019-07-24 | 4364132 | 1.31 ppb |
| 2019-10-09 | 4450988 | 0.786 ppb |
| 2019-10-09 | 4451051 | 0.889 ppb |
| 2020-01-15 | 4540421 | 1.07 ppb |
| 2020-01-15 | 4540452 | 5.22 ppb |
| 2020-04-01 | 4600657 | 1.03 ppb |
| 2020-04-01 | 4600653 | 4.77 ppb |