Silver
Tri-County Water Distbr District
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 | 1 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-11-11 | Y143160008 | ND |
2015-10-20 | Y152950005 | ND |
2016-11-01 | Y163090003 | ND |
2017-11-07 | Y173130007 | ND |
2018-10-22 | Y182980006 | ND |
2019-10-14 | Y192900006 | ND |