Silver
Newhall Cwd-pinetree
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 | 2 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-04-10 | 9590-003-1030 | ND |
2014-04-10 | 9590-008-1015 | ND |
2017-04-06 | 9590-008-0935 | ND |
2018-04-12 | 9590-008-0834 | ND |
2019-04-18 | 9590-008-1015 | ND |
2019-06-13 | 9590-001-1055 | ND |
2019-06-13 | 9590-003-1020 | ND |