Silver
City of Alhambra
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.
12
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 |
|---|---|---|---|---|
| 2014 | ND | 2 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 6 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-07-08 | 9588-007-0905 | ND |
| 2014-07-08 | 9588-011-0915 | ND |
| 2016-04-05 | 9588-014-1000 | ND |
| 2016-10-06 | 9588-013-1105 | ND |
| 2017-07-18 | 9588-007-1125 | ND |
| 2017-09-06 | 9588-011-0930 | ND |
| 2019-04-02 | 9588-014-1010 | ND |
| 2019-05-07 | 9588-007-0900 | ND |
| 2019-05-07 | 9588-011-0920 | ND |
| 2019-05-07 | 9588-013-1115 | ND |
| 2019-05-07 | 9588-014-1045 | ND |
| 2019-10-02 | 9588-013-1100 | ND |