Silver
Travis County Municipal Utility District 4
Silver occurs naturally in surface and groundwater and can be added to water as a biocide that inhibits growth of bacteria and algae. Increasingly, the use of antimicrobial nano-sized silver particles in consumer products contributes to silver in water sources used for drinking water.
12
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 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-02-15 | AE13979 | ND |
| 2018-08-13 | AE36529 | ND |
| 2019-02-14 | AE54531 | ND |
| 2019-02-14 | AE54532 | ND |
| 2020-03-03 | AF00801 | ND |
| 2020-07-23 | AF20311 | ND |
| 2021-01-25 | AF40610 | ND |
| 2021-01-25 | AF40615 | ND |
| 2022-02-10 | AF84174 | ND |
| 2022-04-28 | AF94756 | ND |
| 2023-02-14 | AG28752 | ND |
| 2023-02-14 | AG28753 | ND |