Manganese
Blackland Water Supply Corporation
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 | 6.28 ppb | 4 | 4 | 5.30 ppb - 7.90 ppb |
| 2020 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2015-01-06 | 311149P | 3.02 ppb |
| 2015-01-06 | 111069F | 4.10 ppb |
| 2015-04-07 | 313068P | 3.50 ppb |
| 2015-04-07 | 112981F | 5.29 ppb |
| 2015-07-06 | 114644Q | 7.20 ppb |
| 2015-07-06 | 314725P | 7.90 ppb |
| 2015-10-05 | 315943P | 5.00 ppb |
| 2015-10-05 | 115859F | 5.29 ppb |