Manganese
Wilkinsburg-penn Joint Water Authority
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 | 2.45 ppb | 6 | 6 | 0.770 ppb - 3.90 ppb |
| 2019 | 1.55 ppb | 2 | 1 | ND - 3.10 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 |
|---|---|---|
| 2018-04-10 | 39152901 | 1.10 ppb |
| 2018-04-10 | 39152601 | 0.770 ppb |
| 2018-07-24 | 40384401 | 3.80 ppb |
| 2018-07-24 | 40384101 | 2.50 ppb |
| 2018-10-08 | 41447201 | 2.60 ppb |
| 2018-10-08 | 41447101 | 3.90 ppb |
| 2019-01-08 | 42458101 | 3.10 ppb |
| 2019-01-08 | 42458001 | ND |