Silver
City of Delano
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.
17
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 | 9 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 8 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-07-01 | 5810-033-0730 | ND |
| 2014-07-01 | 5810-017-0830 | ND |
| 2014-07-01 | 5810-013-0800 | ND |
| 2014-07-08 | 5810-042-0949 | ND |
| 2014-07-08 | 5810-039-0950 | ND |
| 2014-07-08 | 5810-037-0830 | ND |
| 2014-07-08 | 5810-036-1025 | ND |
| 2014-07-08 | 5810-035-0900 | ND |
| 2014-09-02 | 5810-038-0911 | ND |
| 2017-07-11 | 5810-042-0725 | ND |
| 2017-07-11 | 5810-039-0835 | ND |
| 2017-07-11 | 5810-037-0926 | ND |
| 2017-07-11 | 5810-035-0950 | ND |
| 2017-07-11 | 5810-033-0950 | ND |
| 2017-07-18 | 5810-036-0945 | ND |
| 2017-09-05 | 5810-017-1000 | ND |
| 2017-12-05 | 5810-047-1100 | ND |