Silver
California Water Service Company Las Lomas
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 | ND | 1 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 1 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2019-08-07 | CA2710013_003_003-201908071410 | ND |
| 2020-08-12 | CA2710013_004_004-202008121414 | ND |
| 2021-05-11 | CA2710013_003_003-202105111330 | ND |
| 2021-09-21 | CA2710013_001_001-202109211255 | ND |
| 2022-08-03 | CA2710013_003_003-202208031403 | ND |
| 2023-08-23 | CA2710013_004_004-202308231314 | ND |