Manganese
Sea Breeze Water District
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.
4
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 | 1.71 ppb | 7 | 2 | ND - 10.00 ppb |
| 2019 | 1.50 ppb | 13 | 5 | ND - 6.30 ppb |
| 2020 | 2.29 ppb | 4 | 3 | ND - 5.23 ppb |
| 2021 | ND | 2 | 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 |
|---|---|---|
| 2020-01-13 | 116614P | 5.23 ppb |
| 2020-04-15 | 117879P | ND |
| 2020-07-14 | 119792P | 1.32 ppb |
| 2020-10-21 | 121828P | 2.60 ppb |