Silver
Thomas Cove
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 | 1.000 ppb | 2 | 1 | ND - 2.00 ppb |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-09-30 | L5153605-1 KIT 1 | ND |
2014-10-21 | L5242402-1 KIT 1 | ND |
2015-03-26 | L5486345-KIT 17 | ND |
2015-05-04 | L5530433-1-QC17 | ND |
2016-09-23 | L6372174-1 | ND |
2016-09-23 | L6372290-1 | ND |
2017-02-17 | L6568639 | ND |
2017-02-17 | L6635059 | ND |
2018-03-23 | 8030880-01 TRACE | ND |
2018-03-28 | 8030875-01 TRACE | ND |
2019-06-25 | 9055333-01 STRM | 2.00 ppb |
2019-06-25 | 9055337-01 STRM | ND |