Silver
Desert Water Agency
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 | 1 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 28 | 0 | ND |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 2 | 0 | ND |
2019 | ND | 21 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-06-25 | 3761-060-1045 | ND |
2015-09-23 | 3761-047-1000 | ND |
2016-05-04 | 3761-060-0935 | ND |
2016-05-04 | 3761-043-1030 | ND |
2016-05-11 | 3761-015-1015 | ND |
2016-05-11 | 3761-026-1125 | ND |
2016-05-11 | 3761-022-1045 | ND |
2016-05-18 | 3761-029-1030 | ND |
2016-05-18 | 3761-030-1100 | ND |
2016-06-08 | 3761-024-1015 | ND |
2016-06-08 | 3761-044-0945 | ND |
2016-06-15 | 3761-033-0000 | ND |
2016-06-22 | 3761-046-1030 | ND |
2016-06-22 | 3761-018-1115 | ND |
2016-06-22 | 3761-017-1145 | ND |
2016-06-22 | 3761-008-0945 | ND |
2016-06-29 | 3761-040-1130 | ND |
2016-07-13 | 3761-010-1115 | ND |
2016-07-13 | 3761-020-1200 | ND |
2016-07-13 | 3761-025-0930 | ND |
2016-07-20 | 3761-039-1110 | ND |
2016-07-21 | 3761-031-1025 | ND |
2016-07-27 | 3761-027-1015 | ND |
2016-08-17 | 3761-038-1100 | ND |
2016-08-17 | 3761-034-0950 | ND |
2016-09-07 | 3761-028-1100 | ND |
2016-09-07 | 3761-047-1010 | ND |
2016-09-07 | 3761-032-0930 | ND |
2016-09-29 | 3761-019-0935 | ND |
2016-09-29 | 3761-045-0925 | ND |
2018-07-11 | 3761-037-0745 | ND |
2018-07-11 | 3761-034-1000 | ND |
2019-05-24 | 4790-029-1410 | ND |
2019-05-24 | 4790-060-1345 | ND |
2019-05-24 | 4790-030-0955 | ND |
2019-05-24 | 4790-031-0730 | ND |
2019-05-24 | 4790-043-0930 | ND |
2019-06-19 | 4790-033-1430 | ND |
2019-06-19 | 4790-046-1110 | ND |
2019-06-19 | 4790-026-1300 | ND |
2019-06-19 | 4790-040-1000 | ND |
2019-06-19 | 4790-044-1150 | ND |
2019-07-24 | 4790-031-1030 | ND |
2019-07-24 | 4790-025-1000 | ND |
2019-07-24 | 4790-039-0730 | ND |
2019-07-25 | 4790-024-0200 | ND |
2019-08-06 | 4790-038-1020 | ND |
2019-08-06 | 4790-034-0745 | ND |
2019-08-29 | 4790-045-0940 | ND |
2019-08-29 | 4790-032-1105 | ND |
2019-08-29 | 4790-047-0740 | ND |
2019-08-29 | 4790-019-1025 | ND |
2019-10-17 | 4790-027-0645 | ND |