Manganese
Northcrest Addition
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 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
| 2020 | 0.555 ppb | 4 | 3 | ND - 0.900 ppb |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 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 |
|---|---|---|
| 2018-09-11 | Q1836165005 | ND |
| 2019-10-21 | Q1973080007 | ND |
| 2020-01-06 | 116685P | ND |
| 2020-01-06 | 116686P | 0.900 ppb |
| 2020-07-08 | 119996P | 0.866 ppb |
| 2020-07-08 | 119997P | 0.452 ppb |
| 2021-10-07 | Q2127873009 | ND |
| 2022-10-17 | Q2231506004 | ND |