Silver
Los Angeles CWWD 40, R24, 27,33-Pearblsm
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.
9
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 | 3 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-07-08 | 5442-020-1019 | ND |
| 2014-08-06 | 5442-002-1028 | ND |
| 2016-05-18 | 5442-005-1115 | ND |
| 2016-05-18 | 5442-014-1020 | ND |
| 2016-05-18 | 5442-019-1145 | ND |
| 2017-10-18 | 9590-002-1000 | ND |
| 2017-10-18 | 9590-020-1043 | ND |
| 2019-08-12 | 9590-014-1059 | ND |
| 2019-08-19 | 9590-005-0913 | ND |