Manganese
Aquarion Water Company of Connecticut - Mystic
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)
1
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 36.4 ppb | 3 | 3 | 7.43 ppb - 58.3 ppb |
| 2019 | 67.8 ppb | 3 | 3 | 6.47 ppb - 170.0 ppb |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2018-09-10 | U8I0010-01 | 43.5 ppb |
| 2018-09-10 | U8I0010-02 | 58.3 ppb |
| 2018-12-04 | U8L0009-01 | 7.43 ppb |
| 2019-03-18 | U9C0014-01 | 6.47 ppb |
| 2019-06-18 | U9F0009-01 | 27.0 ppb |
| 2019-07-23 | U9C0015-01 | 170.0 ppb |