Silver
City of Folsom
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.
15
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 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2016-04-13 | 9590-002-0740 | ND |
| 2016-07-13 | 9590-002-1010 | ND |
| 2016-10-12 | 9590-002-0820 | ND |
| 2017-01-11 | 9590-002-1223 | ND |
| 2017-04-12 | 9590-002-0745 | ND |
| 2017-07-12 | 9590-002-0803 | ND |
| 2017-10-11 | 9590-002-0750 | ND |
| 2018-01-10 | 9590-002-0800 | ND |
| 2018-04-11 | 5810-002-1035 | ND |
| 2018-07-11 | 5810-002-0730 | ND |
| 2018-10-10 | 5810-002-0800 | ND |
| 2019-01-09 | 5810-002-0736 | ND |
| 2019-04-10 | 5810-002-0818 | ND |
| 2019-07-10 | 5810-002-0728 | ND |
| 2019-10-09 | 5810-002-0805 | ND |