Silver
City of Bay City
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 | 3 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 2 | 0 | ND |
2017 | ND | 5 | 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 |
---|---|---|
2014-02-19 | AC43517 | ND |
2014-02-19 | AC43516 | ND |
2014-02-19 | AC43518 | ND |
2016-02-25 | AD25627 | ND |
2016-02-25 | AD25634 | ND |
2017-01-25 | AD66706 | ND |
2017-01-25 | AD66701 | ND |
2017-03-06 | AD73382 | ND |
2017-03-06 | AD73380 | ND |
2017-03-06 | AD73381 | ND |
2019-02-07 | AE53386 | ND |
2019-02-07 | AE53385 | ND |