Silver
Golden State Water Company (GSWC) - Claremont
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 | 2 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 5 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 5 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-09-29 | 2706-010-1215 | ND |
| 2014-11-04 | 2706-030-1218 | ND |
| 2016-09-21 | 2706-019-0940 | ND |
| 2016-09-21 | 2706-039-0847 | ND |
| 2016-09-21 | 2706-040-1018 | ND |
| 2016-11-17 | 2706-006-1100 | ND |
| 2017-04-04 | 9590-021-1345 | ND |
| 2017-05-10 | 9590-002-1136 | ND |
| 2017-05-10 | 9590-024-1412 | ND |
| 2017-09-27 | 9590-010-1031 | ND |
| 2017-12-01 | 9590-022-1310 | ND |
| 2019-08-27 | 9590-006-1130 | ND |
| 2019-08-27 | 9590-021-1200 | ND |
| 2019-08-28 | 9590-019-1120 | ND |
| 2019-08-28 | 9590-039-1106 | ND |
| 2019-08-28 | 9590-040-1205 | ND |