Silver
City of Goldthwaite
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.
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 | ND | 1 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-01-18 | AE09193 | ND |
| 2019-02-28 | AE56487 | ND |
| 2019-11-20 | AE89893 | ND |
| 2020-01-16 | AE93928 | ND |
| 2021-03-01 | AF44567 | ND |
| 2022-01-27 | AF82100 | ND |
| 2022-04-14 | AF93286 | ND |
| 2023-01-11 | AG23976 | ND |