Manganese
Gold Country Estates
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 | N/A | 0 | 0 | N/A |
| 2019 | 2.50 ppb | 2 | 2 | 2.00 ppb - 3.00 ppb |
| 2020 | 14.5 ppb | 2 | 1 | ND - 29.0 ppb |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 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 |
|---|---|---|
| 2019-09-10 | 19090515-01 | 3.00 ppb |
| 2019-12-23 | 19121180-01 | 2.00 ppb |
| 2020-04-22 | 20041059-02 | ND |
| 2020-05-14 | 20050779-01 | 29.0 ppb |
| 2022-12-12 | 22120573-01 | ND |
| 2023-08-23 | 23081350-01 | ND |