Silver
Shelby County Water System
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.
7
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 | 1 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-05-05 | 167105052014-1I | ND |
| 2015-04-22 | 1671-042215-IOC- | ND |
| 2015-08-10 | 150810063-1 | ND |
| 2016-05-09 | 160509037-1 | ND |
| 2017-04-03 | 170403047-1 | ND |
| 2018-08-13 | 18080347-001 | ND |
| 2019-07-16 | 20112910001_IIOC | ND |