Silver
Verndale Apartments
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 | 4.73 ppb | 3 | 1 | ND - 14.2 ppb |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | 0.767 ppb | 3 | 2 | ND - 1.40 ppb |
2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
Date | Result |
---|---|
2015-09-17 | ND |
2015-09-17 | ND |
2015-09-17 | 14.2 ppb |
2018-07-23 | ND |
2018-07-23 | 0.900 ppb |
2018-07-23 | 1.40 ppb |