Silver
Suburban Water Systems - San Jose Hills
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | N/A | 0 | 0 | N/A |
2015 | ND | 1 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 2 | 0 | ND |
2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2015-07-21 | 9588-065-0810 | ND |
2016-02-23 | 9588-075-1130 | ND |
2016-02-23 | 9588-075-1133 | ND |
2018-08-10 | 9588-065-0845 | ND |
2018-09-21 | 9588-065-0842 | ND |
2019-02-08 | 9588-075-0915 | ND |
2019-02-08 | 9588-075-0920 | ND |