Silver
San Miguel Community Services 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.
6
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 | N/A | 0 | 0 | N/A |
| 2023 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2020-05-26 | CA4010010_004_004-202005261052 | ND |
| 2020-05-26 | CA4010010_009_009-202005260958 | ND |
| 2020-05-26 | CA4010010_005_005-202005261040 | ND |
| 2023-05-02 | CA4010010_005_005-202305021020 | ND |
| 2023-05-02 | CA4010010_009_009-202305021313 | ND |
| 2023-05-04 | CA4010010_004_004-202305040815 | ND |