Silver
City of Ceres
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 | 7 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | ND | 8 | 0 | ND |
2017 | ND | 10 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
2019 | ND | 3 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-07-10 | 5806-035-0940 | ND |
2014-07-10 | 5806-034-0800 | ND |
2014-07-10 | 5806-016-1120 | ND |
2014-07-10 | 5806-014-0800 | ND |
2014-10-29 | 5806-040-0740 | ND |
2014-10-29 | 5806-039-0750 | ND |
2014-11-17 | 5806-032-1015 | ND |
2016-01-08 | 5806-040-0830 | ND |
2016-01-08 | 5806-039-0840 | ND |
2016-05-04 | 5806-038-0922 | ND |
2016-07-12 | 5806-022-1235 | ND |
2016-07-12 | 5806-023-1320 | ND |
2016-07-12 | 5806-027-0810 | ND |
2016-07-12 | 5806-028-0945 | ND |
2016-11-15 | 5806-027-0950 | ND |
2017-05-03 | 5806-038-0830 | ND |
2017-07-20 | 5806-032-0720 | ND |
2017-07-20 | 5806-016-0910 | ND |
2017-07-20 | 5806-040-0930 | ND |
2017-07-20 | 5806-039-0940 | ND |
2017-07-20 | 5806-038-0830 | ND |
2017-07-20 | 5806-014-1245 | ND |
2017-07-20 | 5806-035-1040 | ND |
2017-07-20 | 5806-034-1110 | ND |
2017-11-07 | 5806-027-1000 | ND |
2019-07-09 | 5806-023-1015 | ND |
2019-07-09 | 5806-022-1125 | ND |
2019-07-09 | 5806-028-0915 | ND |