Silver
City of Auburn
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 | 6 | 0 | ND |
2015 | ND | 5 | 0 | ND |
2016 | ND | 6 | 0 | ND |
2017 | ND | 10 | 0 | ND |
2018 | ND | 6 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-08-26 | 53707 | ND |
2014-08-26 | 53706 | ND |
2014-08-26 | 53723 | ND |
2014-08-26 | 53722 | ND |
2014-08-26 | 53709 | ND |
2014-08-26 | 53708 | ND |
2015-08-19 | 58151 | ND |
2015-08-19 | 58150 | ND |
2015-08-19 | 58149 | ND |
2015-08-19 | 58153 | ND |
2015-08-19 | 58148 | ND |
2016-08-03 | ND | |
2016-08-03 | ND | |
2016-08-03 | ND | |
2016-08-03 | ND | |
2016-08-03 | ND | |
2016-08-17 | ND | |
2017-08-16 | ND | |
2017-08-16 | ND | |
2017-08-16 | ND | |
2017-08-16 | ND | |
2017-08-16 | ND | |
2017-08-16 | ND | |
2017-08-16 | ND | |
2017-08-16 | ND | |
2017-11-28 | ND | |
2017-12-05 | ND | |
2018-08-15 | ND | |
2018-08-15 | ND | |
2018-08-15 | ND | |
2018-08-15 | ND | |
2018-08-15 | ND | |
2018-08-15 | ND |