Silver
Walker Community System
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 | N/A | 0 | 0 | N/A |
| 2019 | ND | 6 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | 28.0 ppb | 2 | 1 | ND - 56.0 ppb |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2019-11-19 | 35514126001 | ND |
| 2019-11-19 | 35514126002 | ND |
| 2019-11-19 | 35514126003 | ND |
| 2019-11-19 | 35514126001 | ND |
| 2019-11-19 | 35514126002 | ND |
| 2019-11-19 | 35514126003 | ND |
| 2022-11-29 | B2205632-001 | 56.0 ppb |
| 2022-11-29 | B2205632-002 | ND |