Silver
Orange Park Grid
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 | N/A | 0 | 0 | N/A |
2015 | 0.200 ppb | 1 | 1 | 0.200 ppb |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 8 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
Date | Result |
---|---|
2015-08-18 | 0.200 ppb |
2017-10-30 | ND |
2017-10-30 | ND |
2017-11-01 | ND |
2017-11-02 | ND |
2017-11-16 | ND |
2017-11-16 | ND |
2017-11-16 | ND |
2017-11-16 | ND |