Manganese
City of Marlin
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)
1
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 6.30 ppb | 1 | 1 | 6.30 ppb |
| 2019 | 6.60 ppb | 1 | 1 | 6.60 ppb |
| 2020 | 260.0 ppb | 1 | 1 | 260.0 ppb |
| 2021 | 4.50 ppb | 1 | 1 | 4.50 ppb |
| 2022 | 4.60 ppb | 1 | 1 | 4.60 ppb |
| 2023 | 4.30 ppb | 1 | 1 | 4.30 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 |
|---|---|---|
| 2018-02-13 | Q1806041002 | 6.30 ppb |
| 2019-03-18 | Q1911398002 | 6.60 ppb |
| 2020-06-03 | Q2022176002 | 260.0 ppb |
| 2021-02-02 | Q2103093002 | 4.50 ppb |
| 2022-03-17 | Q2209000002 | 4.60 ppb |
| 2023-02-14 | Q2305814005 | 4.30 ppb |