Manganese
Lincoln Waterworks
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 | 3 | 0 | ND |
| 2021 | 6.67 ppb | 3 | 1 | ND - 20.0 ppb |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 4 | 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 |
|---|---|---|
| 2014-02-12 | 104835P | ND |
| 2014-02-12 | 304752P | 2.10 ppb |
| 2014-05-05 | 106911P | ND |
| 2014-05-05 | 306998P | 1.10 ppb |
| 2014-08-06 | 108801Q | ND |
| 2014-08-06 | 308802P | 1.60 ppb |
| 2014-11-03 | 109643P | ND |
| 2014-11-03 | 309726P | ND |