Silver
Pasadena
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 | 8 | 0 | ND |
2015 | ND | 3 | 0 | ND |
2016 | ND | 7 | 0 | ND |
2017 | ND | 10 | 0 | ND |
2018 | ND | 7 | 0 | ND |
2019 | ND | 8 | 0 | ND |
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-08-12 | 9590-047-1000 | ND |
2014-08-12 | 9590-045-1050 | ND |
2014-08-12 | 9590-028-0845 | ND |
2014-08-12 | 9590-023-0840 | ND |
2014-08-12 | 9590-021-0945 | ND |
2014-08-12 | 9590-019-1020 | ND |
2014-08-12 | 9590-001-0900 | ND |
2014-11-21 | 9590-018-0900 | ND |
2015-04-21 | 9590-005-0856 | ND |
2015-04-21 | 9590-010-0900 | ND |
2015-08-11 | 9590-006-1023 | ND |
2016-06-14 | 9590-028-1110 | ND |
2016-06-14 | 9590-023-1200 | ND |
2016-06-14 | 9590-045-0930 | ND |
2016-06-14 | 9590-047-1025 | ND |
2016-06-14 | 9590-018-1010 | ND |
2016-06-14 | 9590-005-1115 | ND |
2016-09-13 | 9590-019-1140 | ND |
2017-08-08 | 9588-047-1200 | ND |
2017-08-08 | 9588-045-0920 | ND |
2017-08-08 | 9588-028-1120 | ND |
2017-08-08 | 9588-023-1100 | ND |
2017-08-08 | 9588-001-1145 | ND |
2017-08-08 | 9588-005-0935 | ND |
2017-08-08 | 9588-006-1030 | ND |
2017-08-08 | 9588-010-1305 | ND |
2017-08-08 | 9588-018-0945 | ND |
2017-08-08 | 9588-019-0910 | ND |
2018-08-13 | 9588-021-0945 | ND |
2018-08-20 | 9588-019-1010 | ND |
2018-08-21 | 9588-001-0810 | ND |
2018-08-21 | 9588-023-1021 | ND |
2018-08-21 | 9588-018-0920 | ND |
2018-08-21 | 9588-047-0940 | ND |
2018-08-21 | 9588-028-1055 | ND |
2019-08-07 | 9588-021-1136 | ND |
2019-08-13 | 9588-047-1010 | ND |
2019-08-13 | 9588-045-0917 | ND |
2019-08-13 | 9588-005-0949 | ND |
2019-08-13 | 9588-001-0911 | ND |
2019-08-13 | 9588-023-1037 | ND |
2019-08-19 | 9588-019-0855 | ND |
2019-11-19 | 9588-028-0834 | ND |