Silver
El Monte Water Department
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 1 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 1 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
2019 | ND | 4 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-04-24 | 9588-006-1005 | ND |
2016-07-07 | 9588-009-0950 | ND |
2017-04-27 | 9588-006-1435 | ND |
2019-05-28 | 9588-043-1310 | ND |
2019-05-28 | 9588-044-1240 | ND |
2019-05-28 | 9588-045-1255 | ND |
2019-07-25 | 9588-009-1430 | ND |