Silver
Lee County Utilities
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 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 5 | 0 | ND |
2018 | ND | 3 | 0 | ND |
2019 | 1.70 ppb | 1 | 1 | 1.70 ppb |
ppb = parts per billion
All test results
Date | Result |
---|---|
2017-02-01 | ND |
2017-03-02 | ND |
2017-04-03 | ND |
2017-04-03 | ND |
2017-10-05 | ND |
2018-06-11 | ND |
2018-07-09 | ND |
2018-10-01 | ND |
2019-01-07 | 1.70 ppb |