Manganese
Woodstock Ranch
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 | 2 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 2 | 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 |
|---|---|---|
| 2018-06-14 | CA4200807_003_003-201806140750 | ND |
| 2019-03-27 | CA4200807_007_007-201903270915 | ND |
| 2019-09-19 | CA4200807_008_008-201909190955 | ND |
| 2020-06-04 | CA4200807_009_009-202006040816 | ND |
| 2021-03-02 | CA4200807_003_003-202103021150 | ND |
| 2022-02-08 | CA4200807_007_007-202202080940 | ND |
| 2022-02-08 | CA4200807_008_008-202202080910 | ND |
| 2023-01-19 | CA4200807_009_009-202301190910 | ND |