Silver
California Water Service Company - East Los Angeles
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.
16
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 |
|---|---|---|---|---|
| 2014 | ND | 1 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-06-02 | 5810-034-1108 | ND |
| 2015-04-20 | 5810-012-1115 | ND |
| 2015-08-11 | 5810-006-1303 | ND |
| 2015-08-19 | 5810-004-1310 | ND |
| 2015-08-19 | 5810-055-1345 | ND |
| 2016-04-19 | 5810-011-1326 | ND |
| 2016-05-17 | 5810-023-1442 | ND |
| 2016-12-20 | 5810-025-1423 | ND |
| 2017-06-27 | 5810-034-1021 | ND |
| 2018-04-18 | 5810-012-1342 | ND |
| 2018-08-21 | 5810-004-1500 | ND |
| 2018-08-21 | 5810-055-1415 | ND |
| 2018-08-30 | 5810-006-1145 | ND |
| 2019-04-09 | 5810-011-1126 | ND |
| 2019-05-14 | 5810-023-1507 | ND |
| 2019-12-19 | 9590-025-1105 | ND |