Silver
Whittier Water Department
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.
18
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 10 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-02-26 | 9588-013-1300 | ND |
| 2014-02-26 | 9588-011-1200 | ND |
| 2014-02-26 | 9588-010-1100 | ND |
| 2014-02-26 | 9588-008-1000 | ND |
| 2014-03-11 | 9588-011-0910 | ND |
| 2014-03-11 | 9588-008-0925 | ND |
| 2014-03-26 | 9588-013-1050 | ND |
| 2014-03-26 | 9588-011-0900 | ND |
| 2014-03-26 | 9588-010-1215 | ND |
| 2014-03-26 | 9588-008-1232 | ND |
| 2015-03-17 | 9588-013-1000 | ND |
| 2016-06-02 | 9588-009-1100 | ND |
| 2016-09-13 | 9588-010-0910 | ND |
| 2017-03-08 | 9588-011-0855 | ND |
| 2017-03-08 | 9588-008-0905 | ND |
| 2018-03-13 | 9588-013-0925 | ND |
| 2018-03-13 | 9588-009-0945 | ND |
| 2019-09-24 | 9588-010-0930 | ND |