Silver
Emerald Valley Mutual Water Company
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 | 3 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 2 | 0 | ND |
2017 | ND | 3 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
2019 | ND | 2 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-05-09 | 9576-001-1014 | ND |
2014-05-09 | 9576-002-1100 | ND |
2014-05-09 | 9576-003-1035 | ND |
2016-07-12 | 9576-004-1830 | ND |
2016-10-12 | 9576-005-1630 | ND |
2017-05-24 | 9576-001-1440 | ND |
2017-05-24 | 9576-002-1505 | ND |
2017-05-24 | 9576-003-1525 | ND |
2019-05-08 | 9576-004-1430 | ND |
2019-08-26 | 9576-005-1215 | ND |