Manganese
Travis County Municipal Utility District 13
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 | 1.63 ppb | 8 | 5 | ND - 4.00 ppb |
| 2019 | 1.10 ppb | 1 | 1 | 1.10 ppb |
| 2020 | 2.94 ppb | 5 | 4 | ND - 12.2 ppb |
| 2021 | ND | 1 | 0 | ND |
| 2022 | 1.30 ppb | 1 | 1 | 1.30 ppb |
| 2023 | ND | 1 | 0 | ND |
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 |
|---|---|---|
| 2018-02-12 | B003911-01 | ND |
| 2018-02-12 | B003911-02 | ND |
| 2018-06-11 | B013726-01 | 2.00 ppb |
| 2018-06-11 | B013726-02 | 2.00 ppb |
| 2018-09-17 | B022912-01 | ND |
| 2018-09-17 | B022912-02 | 1.000 ppb |
| 2018-11-12 | B029207-01 | 4.00 ppb |
| 2018-11-12 | B029207-02 | 4.00 ppb |