Manganese
Warrington Twp Water&sew Dept
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.
7
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 | 2.74 ppb | 3 | 3 | 1.62 ppb - 3.98 ppb |
| 2019 | 46.5 ppb | 4 | 4 | 1.50 ppb - 180.0 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 |
|---|---|---|
| 2018-08-01 | 4007989 | 1.62 ppb |
| 2018-08-01 | 4008028 | 2.63 ppb |
| 2018-11-07 | 4114705 | 3.98 ppb |
| 2019-02-06 | 4191934 | 1.50 ppb |
| 2019-02-06 | 4191960 | 180.0 ppb |
| 2019-02-06 | 4191938 | 2.11 ppb |
| 2019-04-03 | 4249127 | 2.42 ppb |