Silver
Eureka
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 | 4 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 5 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-08-20 | AC33541 | ND |
2014-08-20 | AC33542 | ND |
2014-08-20 | AC33543 | ND |
2014-08-20 | AC33544 | ND |
2015-09-29 | AC59848 | ND |
2017-08-15 | AD03713 | ND |
2017-08-15 | AD03714 | ND |
2017-08-15 | AD03711 | ND |
2017-08-15 | AD03712 | ND |
2017-08-15 | AD03715 | ND |
2018-09-14 | AD33873 | ND |