Silver
Boone County Public Water Supply District 4
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 | N/A | 0 | 0 | N/A |
2015 | ND | 5 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 5 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2015-02-09 | AC42190 | ND |
2015-02-09 | AC42188 | ND |
2015-02-09 | AC42191 | ND |
2015-02-09 | AC42189 | ND |
2015-02-09 | AC42187 | ND |
2018-02-22 | AD14460 | ND |
2018-02-22 | AD14461 | ND |
2018-02-22 | AD14462 | ND |
2018-02-22 | AD14463 | ND |
2018-02-22 | AD14464 | ND |