Manganese
Hidalgo County Municipal Utility District 1
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)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 4.00 ppb | 1 | 1 | 4.00 ppb |
| 2019 | 2.00 ppb | 1 | 1 | 2.00 ppb |
| 2020 | 5.10 ppb | 1 | 1 | 5.10 ppb |
| 2021 | 4.10 ppb | 1 | 1 | 4.10 ppb |
| 2022 | 5.50 ppb | 1 | 1 | 5.50 ppb |
| 2023 | 3.30 ppb | 1 | 1 | 3.30 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 |
|---|---|---|
| 2018-05-16 | AE26698 | 4.00 ppb |
| 2019-01-16 | AE50044 | 2.00 ppb |
| 2020-05-20 | AF12304 | 5.10 ppb |
| 2021-11-10 | AF76323 | 4.10 ppb |
| 2022-07-26 | AG06314 | 5.50 ppb |
| 2023-03-22 | AG33743 | 3.30 ppb |