Manganese
Broadview Terrace Mutual Water Company
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.
2
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 | 132.4 ppb | 56 | 39 | ND - 490.0 ppb |
| 2019 | 73.8 ppb | 168 | 85 | ND - 330.0 ppb |
| 2020 | 1.10 ppb | 2 | 1 | ND - 2.20 ppb |
| 2021 | 25.9 ppb | 132 | 20 | ND - 365.0 ppb |
| 2022 | 9.34 ppb | 130 | 10 | ND - 255.0 ppb |
| 2023 | 13.9 ppb | 138 | 24 | ND - 250.0 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 |
|---|---|---|
| 2020-03-03 | 117353Q | 2.20 ppb |
| 2020-09-23 | 120957Q | ND |