Silver
U.s.n., San Nicolas Island
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 | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 3 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-04-03 | CA5610702_002_002-201804030530 | ND |
| 2018-04-03 | CA5610702_001_001-201804030545 | ND |
| 2019-04-09 | CA5610702_001_001-201904090425 | ND |
| 2019-04-09 | CA5610702_002_002-201904090500 | ND |
| 2020-04-14 | CA5610702_001_001-202004140530 | ND |
| 2020-04-14 | CA5610702_002_002-202004140530 | ND |
| 2021-04-06 | CA5610702_002_002-202104060645 | ND |
| 2021-04-06 | CA5610702_001_001-202104060630 | ND |
| 2021-04-06 | CA5610702_002_002-202104060645 | ND |
| 2022-04-05 | CA5610702_001_001-202204050400 | ND |
| 2022-04-05 | CA5610702_002_002-202204050430 | ND |
| 2023-04-11 | CA5610702_001_001-202304110615 | ND |
| 2023-04-11 | CA5610702_002_002-202304110645 | ND |