Manganese
City of Lancaster
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 | N/A | 0 | 0 | N/A |
| 2019 | 12.0 ppb | 4 | 4 | 3.70 ppb - 34.1 ppb |
| 2020 | 11.0 ppb | 4 | 4 | 5.40 ppb - 21.4 ppb |
| 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 |
|---|---|---|
| 2019-07-15 | 3048202002 | 3.70 ppb |
| 2019-07-16 | 3048202001 | 4.30 ppb |
| 2019-10-07 | 3064725002 | 6.00 ppb |
| 2019-10-08 | 3064725001 | 34.1 ppb |
| 2020-01-14 | 3083526001 | 21.4 ppb |
| 2020-01-15 | 3083526002 | 9.30 ppb |
| 2020-04-06 | 3097688001 | 7.80 ppb |
| 2020-04-06 | 3097688002 | 5.40 ppb |