Manganese
City of Wills Point
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)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 7.80 ppb | 1 | 1 | 7.80 ppb |
| 2019 | ND | 1 | 0 | ND |
| 2020 | 4.09 ppb | 2 | 2 | 1.60 ppb - 6.58 ppb |
| 2021 | 1.40 ppb | 1 | 1 | 1.40 ppb |
| 2022 | 2.30 ppb | 1 | 1 | 2.30 ppb |
| 2023 | 7.10 ppb | 1 | 1 | 7.10 ppb |
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 |
|---|---|---|
| 2018-06-12 | Q1823259004 | 7.80 ppb |
| 2019-01-09 | Q1901056008 | ND |
| 2020-03-04 | Q2008374002 | 1.60 ppb |
| 2020-06-24 | 1899321 | 6.58 ppb |
| 2021-03-16 | Q2106851002 | 1.40 ppb |
| 2022-02-07 | Q2204052002 | 2.30 ppb |
| 2023-03-06 | Q2308665003 | 7.10 ppb |