Silver
California American Water Company - Parkway
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 | 22 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 2 | 0 | ND |
2018 | ND | 21 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-08-12 | 1225-017-1115 | ND |
2015-07-15 | 1225-022-1110 | ND |
2015-07-15 | 1225-044-1155 | ND |
2015-07-15 | 1225-043-1015 | ND |
2015-07-15 | 1225-033-1205 | ND |
2015-07-15 | 1225-032-1020 | ND |
2015-07-15 | 1225-025-1225 | ND |
2015-07-15 | 1225-023-1135 | ND |
2015-07-15 | 1225-002-0940 | ND |
2015-07-15 | 1225-021-1040 | ND |
2015-07-15 | 1225-015-0840 | ND |
2015-07-15 | 1225-014-1030 | ND |
2015-07-16 | 1225-016-1030 | ND |
2015-07-20 | 1225-013-0845 | ND |
2015-07-20 | 1225-003-1030 | ND |
2015-07-20 | 1225-006-0950 | ND |
2015-07-20 | 1225-042-1115 | ND |
2015-07-20 | 1225-034-1130 | ND |
2015-07-20 | 1225-008-0930 | ND |
2015-07-20 | 1225-024-1150 | ND |
2015-07-22 | 1225-018-0925 | ND |
2015-07-22 | 1225-026-1000 | ND |
2015-07-22 | 1225-011-1045 | ND |
2017-08-15 | 1225-017-1012 | ND |
2017-12-19 | 1225-012-1300 | ND |
2018-08-08 | 1233-002-1100 | ND |
2018-08-09 | 1233-016-0930 | ND |
2018-08-09 | 1233-017-0835 | ND |
2018-08-09 | 1233-006-1140 | ND |
2018-08-14 | 1233-022-0910 | ND |
2018-08-14 | 1233-013-1145 | ND |
2018-08-14 | 1233-015-1020 | ND |
2018-08-14 | 1233-021-1005 | ND |
2018-08-14 | 1233-011-0900 | ND |
2018-08-14 | 1233-025-0740 | ND |
2018-08-14 | 1233-008-1105 | ND |
2018-08-14 | 1233-023-0830 | ND |
2018-08-15 | 1233-026-1210 | ND |
2018-08-15 | 1233-032-0905 | ND |
2018-08-15 | 1233-018-1210 | ND |
2018-08-15 | 1233-034-1335 | ND |
2018-08-15 | 1233-042-1325 | ND |
2018-08-15 | 1233-043-0855 | ND |
2018-08-15 | 1233-024-1250 | ND |
2018-08-16 | 1233-033-0755 | ND |
2018-08-16 | 1233-044-0745 | ND |