Manganese
West Gregg Special Utility District
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 | 2.10 ppb | 4 | 4 | 1.70 ppb - 2.50 ppb |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | 2.15 ppb | 4 | 4 | 1.80 ppb - 2.40 ppb |
| 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 |
|---|---|---|
| 2019-02-14 | Q1906942002 | 2.00 ppb |
| 2019-02-14 | Q1906942013 | 1.70 ppb |
| 2019-03-28 | Q1912650007 | 2.50 ppb |
| 2019-03-28 | Q1912650008 | 2.20 ppb |
| 2022-03-14 | Q2208516002 | 2.40 ppb |
| 2022-08-17 | Q2224332008 | 2.30 ppb |
| 2022-08-17 | Q2224332009 | 2.10 ppb |
| 2022-08-17 | Q2224332016 | 1.80 ppb |