Manganese
Utilities Inc.-killarney 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.
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 | 39.6 ppb | 3 | 3 | 34.0 ppb - 47.7 ppb |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | 30.5 ppb | 2 | 1 | ND - 61.0 ppb |
| 2022 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2014-05-07 | 307064P | 3.98 ppb |
| 2014-05-07 | 106994P | 31.4 ppb |
| 2014-11-03 | 309740P | 1.06 ppb |
| 2014-11-03 | 109663Q | 34.1 ppb |
| 2018-08-16 | 8083376-01 | 37.0 ppb |
| 2018-08-16 | 8083376-02 | 34.0 ppb |
| 2018-08-21 | 18H1033-02_01 | 47.7 ppb |
| 2021-07-14 | EG02644-01 | 61.0 ppb |
| 2021-07-14 | EG02644-02 | ND |