Silver
Golden State Water Company (GSWC) - South Arcadia
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.
21
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 | ND | 3 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 8 | 0 | ND |
| 2019 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-08-28 | 9588-006-1100 | ND |
| 2014-08-28 | 9588-004-1030 | ND |
| 2014-08-28 | 9588-003-1020 | ND |
| 2015-08-14 | 9588-015-1035 | ND |
| 2015-08-14 | 9588-014-1115 | ND |
| 2016-05-11 | 9588-005-1105 | ND |
| 2016-06-22 | 9588-002-0910 | ND |
| 2017-08-10 | 9588-006-1035 | ND |
| 2017-08-10 | 9588-004-1010 | ND |
| 2017-08-10 | 9588-003-1000 | ND |
| 2018-08-16 | 9588-014-1100 | ND |
| 2018-08-16 | 9588-015-1035 | ND |
| 2018-08-22 | 9590-005-1202 | ND |
| 2018-08-22 | 9590-006-1153 | ND |
| 2018-08-22 | 9590-014-1347 | ND |
| 2018-08-22 | 9590-003-1053 | ND |
| 2018-08-22 | 9590-015-1247 | ND |
| 2018-08-22 | 9590-002-1100 | ND |
| 2019-05-22 | 9588-005-1020 | ND |
| 2019-05-22 | 9588-002-1115 | ND |
| 2019-06-24 | 9590-004-1320 | ND |