Silver
California Water Service Co-lake Hughes
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 |
|---|---|---|---|---|
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2015-07-08 | 5810-001-1330 | ND |
| 2015-07-08 | 5810-005-1418 | ND |
| 2016-04-06 | 5810-008-1251 | ND |
| 2016-04-25 | 5810-008-1340 | ND |
| 2016-04-25 | 5810-008-1440 | ND |
| 2018-07-11 | 5810-001-1431 | ND |
| 2018-07-18 | 5810-005-1313 | ND |
| 2019-04-11 | 5810-008-1230 | ND |