Silver
City of Wasco
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 | ND | 6 | 0 | ND |
2017 | N/A | 0 | 0 | N/A |
2018 | N/A | 0 | 0 | N/A |
2019 | ND | 5 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2016-08-02 | 5806-003-0839 | ND |
2016-08-02 | 5806-005-1037 | ND |
2016-08-02 | 5806-006-0714 | ND |
2016-08-02 | 5806-008-0951 | ND |
2016-08-02 | 5806-009-0938 | ND |
2016-08-02 | 5806-017-1021 | ND |
2019-08-06 | 5806-008-1240 | ND |
2019-08-06 | 5806-009-1104 | ND |
2019-08-06 | 5806-017-1301 | ND |
2019-08-07 | 5806-006-0701 | ND |
2019-08-08 | 5806-005-0959 | ND |