Manganese
Junction City Waterworks
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 | 2.00 ppb | 1 | 1 | 2.00 ppb |
| 2019 | 3.10 ppb | 1 | 1 | 3.10 ppb |
| 2020 | 1.10 ppb | 2 | 1 | ND - 2.20 ppb |
| 2021 | 4.20 ppb | 1 | 1 | 4.20 ppb |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 2 | 0 | ND |
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 |
|---|---|---|
| 2018-05-01 | Y181230004 | 2.00 ppb |
| 2019-05-13 | Y191360055 | 3.10 ppb |
| 2020-01-28 | Y200300005 | ND |
| 2020-06-15 | Y201700024 | 2.20 ppb |
| 2021-04-20 | Y211110025 | 4.20 ppb |
| 2022-05-23 | Y221460055 | ND |
| 2023-01-31 | Y230330008 | ND |
| 2023-05-30 | Y231520035 | ND |