Manganese
Calif State Polytechnical Univ - Pomona
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 | 2 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2018-11-13 | B8K1537-01 | ND |
| 2018-12-04 | CA1910022_005_005-201812041250 | ND |
| 2019-03-05 | B9C0470-01 | ND |
| 2019-05-14 | B9E1885-01 | ND |
| 2019-08-20 | B9H2759-01 | ND |
| 2019-12-17 | CA1910022_005_005-201912171100 | ND |
| 2020-12-08 | CA1910022_005_005-202012081210 | ND |
| 2022-06-07 | CA1910022_005_005-202206071035 | ND |