Silver
California Water Service - Bear Gulch
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.
8
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2016-02-16 | 5810-002-1045 | ND |
| 2016-02-16 | 5810-907-1135 | ND |
| 2017-02-15 | 5810-002-1243 | ND |
| 2017-02-15 | 5810-907-1256 | ND |
| 2018-02-07 | 5810-002-1229 | ND |
| 2018-02-07 | 5810-907-1213 | ND |
| 2019-02-20 | 5810-907-1344 | ND |
| 2019-02-26 | 5810-002-1416 | ND |