Silver
City of California City
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 | 5 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 1 | 0 | ND |
2017 | ND | 5 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-08-25 | 5806-005-1400 | ND |
2014-08-25 | 5806-006-1320 | ND |
2014-08-25 | 5806-008-1345 | ND |
2014-08-25 | 5806-009-1310 | ND |
2014-08-25 | 5806-016-1335 | ND |
2016-12-15 | 5806-003-0920 | ND |
2017-08-01 | 5806-005-1100 | ND |
2017-08-01 | 5806-006-1135 | ND |
2017-08-01 | 5806-008-1000 | ND |
2017-08-01 | 5806-009-1030 | ND |
2017-08-01 | 5806-016-0925 | ND |
2018-04-26 | 5806-003-1140 | ND |