Silver
Stanley Lake Municipal Utility District
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.
7
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 | N/A | 0 | 0 | N/A |
| 2020 | ND | 3 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2020-08-11 | AF22758 | ND |
| 2020-08-11 | AF22759 | ND |
| 2020-08-11 | AF22760 | ND |
| 2022-08-04 | AG07770 | ND |
| 2023-01-25 | AG26180 | ND |
| 2023-01-25 | AG26181 | ND |
| 2023-01-25 | AG26182 | ND |