Silver
Silverdale Water District 16
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.
13
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 | 1 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 11 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-09-04 | ND | |
| 2019-11-25 | ND | |
| 2022-07-25 | 4419132 | ND |
| 2022-09-12 | 4364206 | ND |
| 2022-09-12 | 4364208 | ND |
| 2022-09-12 | 4364204 | ND |
| 2022-09-12 | 4364207 | ND |
| 2022-09-12 | 4364209 | ND |
| 2022-09-12 | 4364205 | ND |
| 2022-09-12 | 4364203 | ND |
| 2022-09-12 | 4364210 | ND |
| 2022-09-12 | 4364211 | ND |
| 2022-12-08 | 4404386 | ND |