Manganese
Quinlan North Subdivision
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)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 2.80 ppb | 1 | 1 | 2.80 ppb |
| 2019 | 3.70 ppb | 1 | 1 | 3.70 ppb |
| 2020 | ND | 1 | 0 | ND |
| 2021 | 2.00 ppb | 1 | 1 | 2.00 ppb |
| 2022 | 1.70 ppb | 1 | 1 | 1.70 ppb |
| 2023 | 7.70 ppb | 1 | 1 | 7.70 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 |
|---|---|---|
| 2018-05-08 | AE28126 | 2.80 ppb |
| 2019-06-05 | Q1932126005 | 3.70 ppb |
| 2020-02-19 | Q2006393004 | ND |
| 2021-02-23 | Q2104582004 | 2.00 ppb |
| 2022-02-25 | Q2206628002 | 1.70 ppb |
| 2023-05-17 | Q2318657004 | 7.70 ppb |