Silver
Falfurrias Utility Board
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.
10
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 | 3 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 3 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-11-05 | AE45198 | ND |
| 2019-02-25 | AE55584 | ND |
| 2019-07-08 | AE73344 | ND |
| 2019-07-08 | AE73345 | ND |
| 2020-02-10 | AE97816 | ND |
| 2021-11-10 | AF76327 | ND |
| 2022-05-09 | AF96622 | ND |
| 2022-05-09 | AF96623 | ND |
| 2022-06-30 | AG02951 | ND |
| 2023-01-23 | AG25646 | ND |