Silver
City of Lawrence
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 | ND | 2 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-04-17 | 98229 | ND |
2014-04-17 | 98230 | ND |
2015-04-21 | 316463 | ND |
2015-04-21 | 316510 | ND |
2016-05-04 | 538519 | ND |
2016-05-04 | 538522 | ND |
2017-04-25 | 746983 | ND |
2017-04-25 | 746985 | ND |
2018-05-02 | 938151 | ND |
2018-05-02 | 938152 | ND |
2019-04-15 | 1138990 | ND |
2019-04-15 | 1138991 | ND |