Manganese
Barre City Water System
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 | 23.2 ppb | 2 | 1 | ND - 46.3 ppb |
| 2019 | 26.8 ppb | 3 | 3 | 6.80 ppb - 47.0 ppb |
| 2020 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2018-08-03 | 2332253001 | 46.3 ppb |
| 2018-11-06 | 2349061001 | ND |
| 2019-02-05 | 3015168001 | 6.80 ppb |
| 2019-05-01 | 3032943001 | 26.6 ppb |
| 2019-07-25 | 1907-18221-001 | 47.0 ppb |
| 2022-07-26 | 2207-20562-001 | ND |