Manganese
Travis County Municipal Utility District 10
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 | 1.10 ppb | 1 | 1 | 1.10 ppb |
| 2019 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | 1.30 ppb | 1 | 1 | 1.30 ppb |
| 2023 | ND | 3 | 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 |
|---|---|---|
| 2018-03-06 | AE16881 | 1.10 ppb |
| 2019-05-22 | AE67580 | ND |
| 2020-08-13 | AF23374 | ND |
| 2021-07-27 | AF63419 | ND |
| 2022-09-15 | AG13121 | 1.30 ppb |
| 2023-03-02 | AG31294 | ND |
| 2023-11-13 | Q2348349001 | ND |
| 2023-11-14 | Q2348649001 | ND |