Manganese
Bethany 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.
9
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 | 0.995 ppb | 66 | 34 | ND - 4.50 ppb |
| 2019 | 1.34 ppb | 5 | 4 | ND - 2.00 ppb |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | 0.950 ppb | 4 | 3 | ND - 1.50 ppb |
| 2023 | 0.352 ppb | 186 | 2 | ND - 48.3 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 |
|---|---|---|
| 2019-02-07 | Q1905767002 | ND |
| 2019-02-07 | Q1905767003 | 2.00 ppb |
| 2019-02-07 | Q1905767008 | 1.50 ppb |
| 2019-02-07 | Q1905767009 | 1.30 ppb |
| 2019-12-10 | Q1979572004 | 1.90 ppb |
| 2022-10-19 | Q2231823011 | ND |
| 2022-10-19 | Q2231823012 | 1.20 ppb |
| 2022-10-19 | Q2231823013 | 1.50 ppb |
| 2022-10-19 | Q2231823014 | 1.10 ppb |